Diagnosis System [08/2016 - ]

1. The systems (ECUs and sensors) that use CAN communication vary depending on the vehicle and optional equipment. Check which systems (ECUs and sensors) are installed to the vehicle.

   Connected to	Code	ECU/Sensor Name	Techstream Display	Applicability
   -	CGW	Central gateway ECU (network gateway ECU)	CAN Gateway1 CAN Gateway2	Installed on all vehicles
   V bus	DLC3	DLC3	-	Installed on all vehicles
   Bus 2	ENG	ECM	ECM (Engine)	Vehicles with 2ZR-FE
   			ECM (Engine) VALVEMATIC Driver*	Vehicles with 2ZR-FAE
   	MET	Combination meter assembly	Combination Meter	Installed on all vehicles
   	EPS	Power steering ECU assembly	Power Steering (EPS)	Installed on all vehicles
   	MB	Main body ECU (multiplex network body ECU)	Main Body	Installed on all vehicles
   	SRS	Airbag sensor assembly	Airbag	Installed on all vehicles
   	BRK	Skid control ECU (brake actuator assembly)	Skid Control (ABS/VSC/TRAC)	Installed on all vehicles
   	A/C	Air conditioning amplifier assembly	Air Conditioning Amplifier	Vehicles with Air Conditioning System
   	SMT	Certification ECU (smart key ECU assembly)	Certification (Smart)	Vehicles with Smart Key System
   	STR	Steering sensor	Spiral cable (Steering Angle Sensor)	Installed on all vehicles
   Bus 3	AV	Navigation receiver assembly	Display and Navigation (AVN)	Vehicles for Navigation Receiver Type
   		Radio and display receiver assembly	Display and Navigation (AVN)	Vehicles for Radio and Display Type
   Bus 5	DS	Driving support ECU assembly	Driving Support (Cruise Control-ACC)	Installed on all vehicles
   	F-CAM	Forward recognition camera	Front Camera Module	Installed on all vehicles
   	F-MR	Millimeter wave radar sensor assembly	Front Radar	Installed on all vehicles

   HINT: 

   • The names of ECUs and sensors shown on the Techstream display may differ from those shown in the DTC Table.
   • *: If "ECM (Engine)" only is displayed and communication stop for "VALVEMATIC Driver" is indicated, a local CAN communication error between the ECM and continuously variable valve lift controller assembly is suspected. (Output DTC: U011B)

HINT: 

The ECUs and sensors that are properly connected to the CAN communication system can be displayed using the Techstream.

1. Using the Techstream, select the CAN Bus Check screen.

   CAN Bus Check 

   NOTE:

   • It may be possible to select buses that do not have ECUs or sensors from the bus selection pull-down menu. This is not a malfunction. (This occurs when optional devices are not on a sub bus that is monitored by a gateway function equipped ECU.)
   • In the bus selection pull down menu, all buses applicable to the model are displayed (e.g. LIN communication buses are also displayed). Therefore, refer to the wiring diagrams to check the names of sub buses for CAN communication.

     Refer to SYSTEM DIAGRAM [08/2016 - ] 

   HINT: 

   Different connection statuses are indicated by the background color of ECUs and sensors that are displayed.

   EXPLANATION OF CAN BUS CHECK SCREEN
   
   

   Bus Type	Background Color	Connection Status
   Bus 2	White	Communication has been normal since the start of the CAN bus check.
   	Yellow	Communication stop occurred at least once since the start of the CAN bus check, but communication is currently occurring (unstable communication).
   	Red	Communication was established at least once since the start of the CAN bus check, but communication is currently not occurring (unstable communication).
   	Not displayed	Communication stop has continued since the start of the CAN bus check.*1
   Non-bus 2 (gateway function equipped ECU that does not have history of connected ECUs)*2	White	Communication has been normal since the start of the CAN bus check.
   	Yellow	Communication stop occurred at least once since the start of the CAN bus check, but communication is currently occurring (unstable communication).
   	Red	Communication was established at least once since the start of the CAN bus check, but communication is currently not occurring (unstable communication).
   	Not displayed	Communication stop has continued since the start of the CAN bus check.*1
   Non-bus 2 (gateway function equipped ECU that has history of connected ECUs)*3	White	Communication has been normal since the start of the CAN bus check.
   	Yellow	Communication stop occurred at least once since the start of the CAN bus check, but communication is currently occurring (unstable communication).
   	Red	Currently not communicating (either of the following): Communication stop has continued since the start of the CAN bus check. Communication was established at least once since the start of the CAN bus check, but communication is currently not occurring.
   	Not displayed	Either of the following: If a gateway function equipped ECU cannot communicate, the non-bus 2 and ECUs connected to the non-bus 2 will not be displayed. If no ECUs are connected to the non-bus 2, "There is no system found on the Communication Bus" will be displayed.

   HINT: 

   • Gateway function equipped ECUs relay signals between the ECUs connected to the different buses.
   • *1: ECUs that are present in the vehicle but are not displayed on the CAN Bus Check screen.
   • *2: Gateway function equipped ECU that does not memorize the non-bus 2 ECUs that are connected to it.
   • *3: Gateway function equipped ECU that memorizes the non-bus 2 ECUs that are connected to it.
   • If none of the connected ECUs are displayed, or there is no response from the vehicle to the Techstream, check the central gateway ECU (network gateway ECU) and the V bus branch lines for a malfunction.
2. Observe the connection response screen for approximately 2 minutes to check for a change in connection status of the connected ECUs and sensors.

   HINT: 

   • If an open occurs in one of the lines of a CAN branch (except DLC3), output from the other branch line (the line that is not open) will be unstable and it may interfere with the response (display) of other ECUs and sensors.
   • If the connection status changes during the inspection, repair the open in the branch line of the ECU or sensor that does not respond (is not detected) and then perform the CAN bus check again.

1. When a communication stop is currently occurring, the probable malfunctioning part can be determined from the CAN bus check and by using the following methods.
   NOTE:

   The following CAN bus wiring diagram is provided only as an example. This wiring diagram is different from the actual wiring diagram for this vehicle.

   HINT: 

   • When a communication stop is currently occurring, it is easier to determine the probable malfunctioning part from the CAN bus check rather than from communication DTCs.
   • Wait for approximately 2 minutes after turning the ignition switch to ON (or simulate the driving conditions that enable the malfunction to be reproduced) and select "CAN Bus Check". Then observe the communication status of each ECU on the screen.
2. If a communication error of only 1 ECU or sensor is indicated on the CAN Bus Check screen, a communication stop of the ECU or sensor is suspected.

   Example: Open in both CAN branch lines of ECU D on the bus 2

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Bus 2	*b	Non-bus 2
   *c	V Bus	*d	Terminating Resistor
   *e	Location of Malfunction	*f	Not displayed or background color changes to red or yellow
   *g	CAN Bus Check Screen	*h	Central Gateway ECU (Network Gateway ECU)

   HINT: 

   When there are communication stops, ECUs that are present in the vehicle may not be displayed on the CAN Bus Check screen.

3. If communication errors for multiple ECUs or sensors are indicated on the CAN Bus Check screen, then a communication stop of the ECU or sensor that shows a more serious communication stop (an ECU or sensor which is not displayed) is suspected.

   Example: Open in a CAN branch line for ECU B on the bus 2

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Background color periodically changes to yellow or red
   *b	Not displayed or background color is yellow or red
   *c	Not displayed

   EXPLANATION OF CAN BUS CHECK SCREEN
   
   

   Bus Type	Background Color	Connection Status
   Bus 2	White	Communication has been normal since the start of the CAN bus check.
   	Yellow	Communication stop occurred at least once since the start of the CAN bus check, but communication is currently occurring (unstable communication).
   	Red	Communication was established at least once since the start of the CAN bus check, but communication is currently not occurring (unstable communication).
   	Not displayed	Communication stop has continued since the start of the CAN bus check.*1
   Non-bus 2 (gateway function equipped ECU that does not have history of connected ECUs)*2	White	Communication has been normal since the start of the CAN bus check.
   	Yellow	Communication stop occurred at least once since the start of the CAN bus check, but communication is currently occurring (unstable communication).
   	Red	Communication was established at least once since the start of the CAN bus check, but communication is currently not occurring (unstable communication).
   	Not displayed	Communication stop has continued since the start of the CAN bus check.*1
   Non-bus 2 (gateway function equipped ECU that has history of connected ECUs)*3	White	Communication has been normal since the start of the CAN bus check.
   	Yellow	Communication stop occurred at least once since the start of the CAN bus check, but communication is currently occurring (unstable communication).
   	Red	Currently not communicating (either of the following): Communication stop has continued since the start of the CAN bus check. Communication was established at least once since the start of the CAN bus check, but communication is currently not occurring.
   	Not displayed	Either of the following: If a gateway function equipped ECU cannot communicate, the non-bus 2 and ECUs connected to the non-bus 2 will not be displayed. If no ECUs are connected to the non-bus 2, "There is no system found on the Communication Bus" will be displayed.

   HINT: 

   • Gateway function equipped ECUs relay signals between the ECUs connected to the different buses.
   • *1: ECUs that are present in the vehicle but are not displayed on the CAN Bus Check screen.
   • *2: Gateway function equipped ECU that does not memorize the non-bus 2 ECUs that are connected to it.
   • *3: Gateway function equipped ECU that memorizes the non-bus 2 ECUs that are connected to it.
   • The example of the CAN Bus Check screen in the illustration shows the result of electrical noise on the CAN bus which is caused by an open in a CAN branch line of ECU B (output from the other branch line is unstable) and the communication of ECU A is also unstable. In addition, in this example, ECU A is equipped with a gateway function. Therefore, communication is also unstable between the non-bus 2 ECUs of ECU A and the bus 2.
   • The example in the illustration shows that ECU B is not displayed on the CAN Bus Check screen. This indicates a more significant communication stop. In this case, a communication stop of ECU B is suspected.
4. If a communication error is indicated on both the bus 2 and non-bus 2 on the CAN Bus Check screen, suspect any communication stop displayed for the bus 2 first.

   Example: Open in both CAN branch lines of ECU A on the bus 2

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Not displayed or background color changes to red

   HINT: 

   • In the CAN bus check, it is possible to confirm the communication status of ECUs connected to the bus 2 after connecting the Techstream to the DLC3. As for non-bus 2, it is possible to confirm which non-bus 2 connected ECUs can communicate with a gateway function equipped ECU on the bus 2.
   • If a gateway function equipped ECU has a communication error, ECUs connected to the gateway function equipped ECU are also affected, and communication stops will be indicated.
   • The CAN Bus Check screen in the illustration shows that ECU A has a gateway function and a communication stop in ECU A is suspected.
5. If the CAN Bus Check screen indicates a communication stop only in the non-bus 2, a communication stop in the non-bus 2 is suspected.

   Example: Open in both CAN branch lines of ECU G on the non-bus 2

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Background color changes to red

   HINT: 

   • A communication error in a non-bus 2 does not affect the bus 2 or other buses.
   • When a gateway function equipped ECU has memorized the ECUs that are connected to the non-bus 2, if any of the ECUs connected to the gateway function equipped ECU has a communication error, the background color changes to yellow or red. (The displayed name will not disappear.)
6. If both of the bus 2 main bus lines are open, ECUs or sensors that are located farther away from the central gateway ECU (network gateway ECU) than the open part will be displayed as a communication stop on the CAN Bus Check screen.

   (In this case, ECU D and E are not displayed or their background color changes to red.)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Bus 2	*b	Non-bus 2
   *c	V Bus	*d	Terminating Resistor
   *e	Location of Malfunction	*f	Not displayed or background color is red
   *g	CAN Bus Check Screen	*h	Central Gateway ECU (Network Gateway ECU)

   HINT: 

   If a communication error occurs in an ECU, it is not displayed on the CAN Bus Check screen even though the ECU is present.

7. If both of the non-bus 2 main bus lines are open, ECUs that are located farther away from the central gateway ECU (network gateway ECU) than the open part will be displayed as a communication stop on the CAN Bus Check screen.

   (In this case, ECU I and J are not displayed or their background color changes to red.)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Bus 2	*b	Non-bus 2
   *c	V Bus	*d	Terminating Resistor
   *e	Location of Malfunction	*f	Not displayed or background color is red
   *g	CAN Bus Check Screen	*h	Central Gateway ECU (Network Gateway ECU)

8. When any of the following malfunctions occur, CAN communication cannot be established and almost all ECUs and sensors on the bus show a communication error on the CAN Bus Check screen.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	When any of the following malfunctions occur on the bus 2
   *b	When any of the following malfunctions occur on a non-bus 2
   *c	Not displayed

   DETAILS OF MALFUNCTION
   
   

   Short between CAN lines (CANH and CANL)

   Short between a CAN line (CANH or CANL) and +B

   Short between a CAN line (CANH or CANL) and ground

   Open in a CAN main bus line

   HINT: 

   • When a malfunction occurs in the bus 2, almost all ECUs and sensors on the bus 2 and non-bus 2 indicate a communication error (almost all ECUs are not displayed). As communication with the gateway function equipped ECU that is connected to the bus 2 stops, communication from the ECUs connected to the non-bus 2 that is monitored by the gateway function equipped ECU also stops (these ECUs are not displayed).
   • When a malfunction occurs in a non-bus 2, almost all ECUs connected to the non-bus 2 indicate a communication error.
   • A communication error in a non-bus 2 does not affect the bus 2 or other buses.
   • The malfunctioning part can be determined by checking for a short circuit between CAN bus lines or between a CAN bus line and ground or +B short using an electrical tester.

HINT: 

• In the CAN communication system, the CAN communication DTCs of each ECU can be displayed using the Techstream.
• If CAN communication system DTCs are output, the malfunction cannot be determined only by the DTCs. Perform troubleshooting according to How to Proceed with Troubleshooting.

  Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - ] 

• If there is a malfunction currently, DTCs can be checked by performing steps in the DTC check procedure.

1. ECM (2ZR-FE) / Techstream Display "Engine and ECT"

   Powertrain > Engine and ECT > Trouble Codes 

   HINT: 

   This ECU uses the CAN communication system for DTC communication.

   ECM / TECHSTREAM DISPLAY "ENGINE AND ECT"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0124	Lost Communication with Lateral Acceleration Sensor Module	The ECM does not receive data from the airbag sensor assembly for 1.25 seconds or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the ECM is 10.5 V or more.	Turn the ignition switch to ON and wait at least 3.5 seconds.	MIL illuminates.	DTC is stored until it is cleared using the Techstream.
   U0129	Lost Communication with Skid Control ECU	The ECM does not receive data from the skid control ECU (brake actuator assembly) for 2.22 seconds or more.	Both conditions are met: The ignition switch is ON for 2.1 seconds or more. The power source voltage of the ECM is 10.5 V or more.	Turn the ignition switch to ON and wait at least 4.32 seconds.	-	DTC is stored until it is cleared using the Techstream.

2. ECM (2ZR-FAE) / Techstream Display "Engine and ECT"

   Powertrain > Engine and ECT > Trouble Codes 

   HINT: 

   • This ECU uses the CAN communication system for DTC communication.
   • *: This DTC is stored due to a local CAN communication error between the ECM and continuously variable valve lift controller assembly.
   ECM / TECHSTREAM DISPLAY "ENGINE AND ECT"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0124	Lost Communication with Lateral Acceleration Sensor Module	The ECM does not receive data from the airbag sensor assembly for 1.25 seconds or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the ECM is 10.5 V or more.	Turn the ignition switch to ON and wait at least 3.5 seconds.	MIL illuminates.	DTC is stored until it is cleared using the Techstream.
   U0129	Lost Communication with Brake System Control Module	The ECM does not receive data from the skid control ECU (brake actuator assembly) for 2.22 seconds or more.	Both conditions are met: The ignition switch is ON for 2.1 seconds or more. The power source voltage of the ECM is 10.5 V or more.	Turn the ignition switch to ON and wait at least 4.32 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U011B*	Lost Communication with Rocker Arm Control Module "A"	The ECM does not receive data from the continuously variable valve lift controller assembly for 0.99 seconds or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the ECM is 10.5 V or more.	Turn the ignition switch to ON and wait at least 1.99 seconds.	MIL illuminates.	DTC is stored until it is cleared using the Techstream.

3. Skid Control ECU (Brake Actuator Assembly) / Techstream Display "ABS/VSC/TRAC"

   Chassis > ABS/VSC/TRAC > Trouble Codes 

   HINT: 

   This ECU uses the CAN communication system for DTC communication.

   SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) / TECHSTREAM DISPLAY "ABS/VSC/TRAC"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0073	Control Module Communication Bus OFF	The skid control ECU (brake actuator assembly) cannot send/receive data (bus off) once or more within 5 seconds.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the skid control ECU (brake actuator assembly) (IG1 terminal voltage) is between 10 and 17.4 V.	Turn the ignition switch to ON and wait at least 6 seconds.	ABS warning light illuminates. Slip indicator light illuminates. Brake warning light illuminates.	DTC is stored until it is cleared using the Techstream.
   U0100	Lost Communication with ECM / PCM	The skid control ECU (brake actuator assembly) does not receive data from the ECM for 2 seconds or more.	All conditions are met: The ignition switch is ON for 1 second or more. Vehicle speed is 15 km/h (9 mph) or more. The power source voltage of the skid control ECU (brake actuator assembly) (IG1 terminal voltage) is between 10 and 17.4 V.	Turn the ignition switch to ON and drive the vehicle at a speed of 15 km/h (9 mph) or more for 3 seconds or more.	Slip indicator light illuminates.	DTC is stored until it is cleared using the Techstream.
   U0124	Lost Communication with Lateral Acceleration Sensor Module	Either of the following conditions is met: When vehicle speed is 7 km/h (4 mph) or more, the skid control ECU (brake actuator assembly) does not receive data from the airbag sensor assembly for 1 second or more. The following condition occurs 10 times or more within 60 seconds: The skid control ECU (brake actuator assembly) does not receive data from the airbag sensor assembly once or more within 5 seconds.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the skid control ECU (brake actuator assembly) (IG1 terminal voltage) is between 10 and 17.4 V.	Turn the ignition switch to ON and wait at least 61 seconds, and then drive the vehicle at a speed of 7 km/h (4 mph) or more for 1 second or more.	ABS warning light illuminates. Slip indicator light illuminates.	DTC is stored until it is cleared using the Techstream.
   U0126	Lost Communication with Steering Angle Sensor Module	Either of the following conditions is met: The skid control ECU (brake actuator assembly) does not receive data from the steering sensor for 1 second or more. The following condition occurs 10 times or more within 60 seconds: The skid control ECU (brake actuator assembly) does not receive data from the steering sensor once or more within 5 seconds.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the skid control ECU (brake actuator assembly) (IG1 terminal voltage) is between 10 and 17.4 V.	Turn the ignition switch to ON and wait at least 61 seconds.	Slip indicator light illuminates.	DTC is stored until it is cleared using the Techstream.

4. Power Steering ECU Assembly / Techstream Display "EMPS"

   Chassis > EMPS > Trouble Codes 

   HINT: 

   This ECU uses the CAN communication system for DTC communication.

   POWER STEERING ECU ASSEMBLY / TECHSTREAM DISPLAY "EMPS"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100	Lost Communication with ECM / PCM "A"	The power steering ECU assembly does not receive data from the ECM for 300 seconds or more.	All conditions are met: The ignition switch is ON for 3 seconds or more. Vehicle speed is 20 km/h (12 mph) or more. The power source voltage of the power steering ECU assembly is 9 V or more.	Drive the vehicle at a speed of 20 km/h (12 mph) or more for 303 seconds or more.	EPS warning light illuminates.	DTC remains stored only while malfunction is occurring.
   U0129	Lost Communication with Brake System Control Module	The power steering ECU assembly cannot receive data from the skid control ECU (brake actuator assembly) for 2.34 seconds or more.	Both conditions are met: The ignition switch is ON for 3 seconds or more. The power source voltage of the power steering ECU assembly is 9 V or more.	Turn the ignition switch to ON and wait at least 6 seconds.	EPS warning light illuminates.	DTC remains stored only while malfunction is occurring.
   U023A	Lost Communication with Front Camera Module	The power steering ECU assembly cannot receive data from the forward recognition camera for 1.34 seconds or more.	Both conditions are met: The ignition switch is ON for 3 seconds or more. The power source voltage of the power steering ECU assembly is 9 V or more.	Turn the ignition switch to ON and wait at least 4.34 seconds.	-	DTC remains stored only while malfunction is occurring.

5. Main Body ECU (Multiplex Network Body ECU) / Techstream Display "Main Body"

   Body Electrical > Main Body > Trouble Codes 

   HINT: 

   This ECU uses the CAN communication system for DTC communication.

   MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) / TECHSTREAM DISPLAY "MAIN BODY"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100	Lost Communication with ECM / PCM "A"	The main body ECU (multiplex network body ECU) does not receive data from the ECM for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more have elapsed. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the ignition switch to ON and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0101	Lost Communication with TCM	The main body ECU (multiplex network body ECU) does not receive data from the ECM for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more have elapsed. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the ignition switch to ON and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0120	Lost Communication with Starter / Generator Control Module	The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more have elapsed. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the ignition switch to ON and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0151	Lost Communication with Restraints Control Module	The main body ECU (multiplex network body ECU) does not receive data from the airbag sensor assembly for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more have elapsed. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the ignition switch to ON and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module	The main body ECU (multiplex network body ECU) does not receive data from the combination meter assembly for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more have elapsed. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the ignition switch to ON and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0164	Lost Communication with HVAC Control Module	The main body ECU (multiplex network body ECU) does not receive data from the air conditioning amplifier assembly for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more have elapsed. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the ignition switch to ON and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U023A	Lost Communication with Image Processing Module "A"	The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more have elapsed. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the ignition switch to ON and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0327	Software Incompatibility with Vehicle Security Control Module	The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more have elapsed. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the ignition switch to ON and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.

6. Certification ECU (Smart Key ECU Assembly) (w/ Smart Key System) / Techstream Display "Smart Key"

   Body Electrical > Smart Key > Trouble Codes 

   HINT: 

   This ECU uses the CAN communication system for DTC communication.

   CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) / TECHSTREAM DISPLAY "SMART KEY"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100	Lost Communication with ECM / PCM	The certification ECU (smart key ECU assembly) does not receive data from the ECM for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more have elapsed. The power source voltage of the certification ECU (smart key ECU assembly) is 10 V or more.	Turn the ignition switch to ON and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0142	Lost Communication with Main Body ECU	The certification ECU (smart key ECU assembly) does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more have elapsed. The power source voltage of the certification ECU (smart key ECU assembly) is 10 V or more.	Turn the ignition switch to ON and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0155	Lost Communication with Combination Meter	The certification ECU (smart key ECU assembly) does not receive data from the combination meter assembly for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more have elapsed. The power source voltage of the certification ECU (smart key ECU assembly) is 10 V or more.	Turn the ignition switch to ON and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.

7. Certification ECU (Smart Key ECU Assembly) (w/ Smart Key System) / Techstream Display "Power Source Control"

   Body Electrical > Power Source Control > Trouble Codes 

   HINT: 

   This ECU uses the CAN communication system for DTC communication.

   CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) / TECHSTREAM DISPLAY "POWER SOURCE CONTROL"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100	Lost Communication with ECM / PCM	The certification ECU (smart key ECU assembly) does not receive data from the ECM for 3.1 seconds or more.	Both conditions are met: The ignition switch is ON for 10 seconds or more. The power source voltage of the certification ECU (smart key ECU assembly) is 9.5 V or more.	Turn the ignition switch to ON and wait at least 13.1 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0140	Lost Communication with Main Body ECU	The certification ECU (smart key ECU assembly) does not receive data from the main body ECU (multiplex network body ECU) for 3 seconds or more.	Both conditions are met: The ignition switch is ON for 10 seconds or more. The power source voltage of the certification ECU (smart key ECU assembly) is 10 V or more.	Turn the ignition switch to ON and wait at least 13 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0155	Lost Communication with Combination Meter	The certification ECU (smart key ECU assembly) does not receive data from the combination meter assembly for 10 seconds or more.	Both conditions are met: The ignition switch is ON for 10 seconds or more. The power source voltage of the certification ECU (smart key ECU assembly) is 10 V or more.	Turn the ignition switch to ON and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.

8. Certification ECU (Smart Key ECU Assembly) (w/ Smart Key System) / Techstream Display "Starting Control"

   Body Electrical > Starting Control > Trouble Codes 

   HINT: 

   This ECU uses the CAN communication system for DTC communication.

   CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) / TECHSTREAM DISPLAY "STARTING CONTROL"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100	Lost Communication with ECM / PCM	The certification ECU (smart key ECU assembly) does not receive data from the ECM for 2 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the certification ECU (smart key ECU assembly) is 10.5 V or more.	Turn the ignition switch to ON and wait at least 2 seconds.	-	DTC remains stored only while malfunction is occurring.

9. Air Conditioning Amplifier Assembly (w/ Air Conditioning System) / Techstream Display "Air Conditioner"

   Body Electrical > Air Conditioner > Trouble Codes 

   HINT: 

   This ECU uses the CAN communication system for DTC communication.

   AIR CONDITIONING AMPLIFIER ASSEMBLY / TECHSTREAM DISPLAY "AIR CONDITIONER"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100	Lost Communication with ECM	The air conditioning amplifier assembly does not receive data from the ECM for 5 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the air conditioning amplifier assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 5 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0131	Lost Communication with Electric Power Steering ECU	The air conditioning amplifier assembly does not receive data from the power steering ECU assembly for 5 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the air conditioning amplifier assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 5 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0142	Lost Communication with Main Body ECU	The air conditioning amplifier assembly does not receive data from the main body ECU (multiplex network body ECU) for 5 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the air conditioning amplifier assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 5 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0155	Lost Communication with Combination Meter	The air conditioning amplifier assembly does not receive data from the combination meter assembly for 5 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the air conditioning amplifier assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 5 seconds.	-	DTC is stored until it is cleared using the Techstream.

10. Navigation Receiver Assembly (for Navigation Receiver Type) / Techstream Display "Navigation System"

    Body Electrical > Navigation System > Trouble Codes 

    HINT: 

    This ECU uses the CAN communication system for DTC communication.

    NAVIGATION RECEIVER ASSEMBLY / TECHSTREAM DISPLAY "NAVIGATION SYSTEM"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0073	Sending Malfunction (Navigation to APGS)	The navigation receiver assembly does not send/receive data for 5 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the navigation receiver assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 5 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0100	Engine ECU Communication	The navigation receiver assembly does not receive data from the ECM for 12 seconds or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the navigation receiver assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 13 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0129	VSC (ECB) ECU Communication	The navigation receiver assembly does not receive data from the skid control ECU (brake actuator assembly) for 1 second or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the navigation receiver assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 2 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0140	Lost Communication with Body Control Module	The navigation receiver assembly does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the navigation receiver assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 11 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0155	Meter ECU Communication	The navigation receiver assembly does not receive data from the combination meter assembly for 30 seconds or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the navigation receiver assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 31 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0164	Air Conditioner ECU Communication	The navigation receiver assembly does not receive data from the air conditioning amplifier assembly for 10 seconds or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the navigation receiver assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 11 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.

11. Radio and Display Receiver Assembly (for Radio and Display Type) / Techstream Display "Navigation System"

    Body Electrical > Navigation System > Trouble Codes 

    HINT: 

    This ECU uses the CAN communication system for DTC communication.

    RADIO AND DISPLAY RECEIVER ASSEMBLY / TECHSTREAM DISPLAY "NAVIGATION SYSTEM"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0073	Sending Malfunction (Navigation to APGS)	The radio and display receiver assembly does not send/receive data for 5 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the radio and display receiver assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 5 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0100	Engine ECU Communication	The radio and display receiver assembly does not receive data from the ECM for 12 seconds or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the radio and display receiver assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 13 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0129	VSC (ECB) ECU Communication	The radio and display receiver assembly does not receive data from the skid control ECU (brake actuator assembly) for 1 second or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the radio and display receiver assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 2 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0140	Lost Communication with Body Control Module	The radio and display receiver assembly does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the radio and display receiver assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 11 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0155	Meter ECU Communication	The radio and display receiver assembly does not receive data from the combination meter assembly for 30 seconds or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the radio and display receiver assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 31 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0164	Air Conditioner ECU Communication	The radio and display receiver assembly does not receive data from the air conditioning amplifier assembly for 10 seconds or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the radio and display receiver assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 11 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.

12. Combination Meter Assembly / Techstream Display "Combination Meter"

    Body Electrical > Combination Meter > Trouble Codes 

    HINT: 

    This ECU uses the CAN communication system for DTC communication.

    COMBINATION METER ASSEMBLY / TECHSTREAM DISPLAY "COMBINATION METER"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The combination meter assembly does not receive data from the ECM for 2 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 2 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The combination meter assembly does not receive data from the skid control ECU (brake actuator assembly) for 3 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 3 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0131	Lost Communication with Power Steering Control Module	The combination meter assembly does not receive data from the power steering ECU assembly for 3 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 3 seconds.	EPS warning light illuminates.	DTC is stored until it is cleared using the Techstream.
    U0142	Lost Communication with Body Control Module "B"	The combination meter assembly does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 10 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0151	Lost Communication with Restraints Control Module	The combination meter assembly does not receive data from the airbag sensor assembly for 10 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 10 seconds.	SRS warning light illuminates.	DTC is stored until it is cleared using the Techstream.
    U0163	Lost Communication with Navigation Control Module	The combination meter assembly does not receive data from the navigation receiver assembly or radio and display receiver assembly for 3 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 3 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U023A	Lost Communication with Front Camera Module	The combination meter assembly does not receive data from the forward recognition camera for 10 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 10 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U1104	Lost Communication with Driving Support ECU	The combination meter assembly does not receive data from the driving support ECU assembly for 10 seconds or more.	Both conditions are met: The ignition switch is ON. The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the ignition switch to ON and wait at least 10 seconds.	-	DTC is stored until it is cleared using the Techstream.

13. Airbag Sensor Assembly / Techstream Display "SRS Airbag"

    HINT: 

    The airbag sensor assembly is connected to the CAN communication system, but the airbag sensor assembly does not store or output CAN communication DTCs.

14. Steering Sensor / Techstream Display "-"

    HINT: 

    The steering sensor is connected to the CAN communication system, but the steering sensor does not store or output CAN communication DTCs.

15. ECM / Techstream Display "Radar Cruise1"

    Powertrain > Radar Cruise1 > Trouble Codes 

    HINT: 

    This ECU uses the CAN communication system for DTC communication.

    ECM / TECHSTREAM DISPLAY "RADAR CRUISE1"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A" Missing Message	The skid control ECU (brake actuator assembly) does not receive data from the ECM for 1 second or more.	Both conditions are met: The ignition switch is ON. The radar cruise control system (vehicle control mode) is operating.	Allow the radar cruise control system (vehicle control mode) to operate for 1 second or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0122	Lost Communication with Vehicle Dynamics Control Module Missing Message	The ECM does not receive data from the skid control ECU (brake actuator assembly) for 2.65 seconds or more.	Both conditions are met: The ignition switch is ON. The radar cruise control system (vehicle control mode) is operating.	Allow the radar cruise control system (vehicle control mode) to operate for 2.65 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U1104	Lost Communication with Driving Support ECU Missing Message	The driving support ECU assembly data sent to the ECM, skid control ECU (brake actuator assembly) or millimeter wave radar sensor assembly is lost for 1.02 seconds or more.	Both conditions are met: The ignition switch is ON. The radar cruise control system (vehicle control mode) is operating.	Allow the radar cruise control system (vehicle control mode) to operate for 1.02 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.

16. Driving Support ECU Assembly / Techstream Display "Radar Cruise2"

    Powertrain > Radar Cruise2 > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *: Refer to Dynamic Radar Cruise Control System.

      Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2016 - ]

    DRIVING SUPPORT ECU ASSEMBLY / TECHSTREAM DISPLAY "RADAR CRUISE2"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The driving support ECU assembly does not receive data from the ECM for 0.92 seconds or more.	All conditions are met: The ignition switch is ON for 3 seconds or more. Vehicle speed is 36 km/h (22 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for 3.92 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0125	Lost Communication with Yaw Rate Sensor Module	The driving support ECU assembly does not receive data from the airbag sensor assembly for 0.72 seconds or more.	All conditions are met: The ignition switch is ON for 3 seconds or more. Vehicle speed is 36 km/h (22 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for 3.72 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0126	Lost Communication with Steering Angle Sensor Module	The driving support ECU assembly does not receive data from the steering sensor for 0.72 seconds or more.	All conditions are met: The ignition switch is ON for 1 second or more. Vehicle speed is 36 km/h (22 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for 1.72 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The driving support ECU assembly does not receive data from the skid control ECU (brake actuator assembly) for 1.08 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. Vehicle speed is 36 km/h (22 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for 3.08 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0235*	Lost Communication with Cruise Control Front Distance Range Sensor	The driving support ECU assembly does not receive data from the millimeter wave radar sensor assembly for 1.6 seconds or more.	All conditions are met: The ignition switch is ON for 1 second or more. Vehicle speed is 36 km/h (22 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for 2.6 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U1104*	Lost Communication with Driving Support ECU	The driving support ECU assembly does not receive data from the millimeter wave radar sensor assembly for 0.144 seconds or more.	All conditions are met: The ignition switch is ON for 1 second or more. Vehicle speed is 36 km/h (22 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for 1.144 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.

17. Driving Support ECU Assembly / Techstream Display "Pre-Collision 2"

    Body Electrical > Pre-Collision 2 > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *: Refer to Pre-collision System.

      Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2016 - 08/2017] or DIAGNOSTIC TROUBLE CODE CHART [08/2017 - ]

    DRIVING SUPPORT ECU ASSEMBLY / TECHSTREAM DISPLAY "PRE-COLLISION 2"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The driving support ECU assembly does not receive data from the ECM for 3.072 seconds or more.	All conditions are met: The ignition switch is ON for 3 seconds or more. Vehicle speed is 5 km/h (3 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 5 km/h (3 mph) or more for 6.072 seconds or more.	Displays messages on the multi-information display. PCS indicator light blinks.	DTC is stored until it is cleared using the Techstream.
    U0125	Lost Communication with Yaw Rate Sensor Module	The driving support ECU assembly does not receive data from the airbag sensor assembly for 0.36 seconds or more.	Both conditions are met: The ignition switch is ON for 3 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 3.36 seconds.	Displays messages on the multi-information display. PCS indicator light blinks.	DTC is stored until it is cleared using the Techstream.
    U0126	Lost Communication with Steering Angle Sensor Module	The driving support ECU assembly does not receive data from the steering sensor for 3.024 seconds or more.	Both conditions are met: The ignition switch is ON for 3 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 6.024 seconds.	Displays messages on the multi-information display. PCS indicator light blinks.	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The driving support ECU assembly does not receive data from the skid control ECU (brake actuator assembly) for 3 seconds or more.	Both conditions are met: The ignition switch is ON for 3 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 6 seconds.	Displays messages on the multi-information display. PCS indicator light blinks.	DTC is stored until it is cleared using the Techstream.
    U0235*	Lost Communication with Cruise Control Front Distance Range Sensor	The driving support ECU assembly does not receive data from the millimeter wave radar sensor assembly for 0.3 seconds or more.	Both conditions are met: The ignition switch is ON for 3 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 3.3 seconds.	Displays messages on the multi-information display. PCS indicator light blinks.	DTC is stored until it is cleared using the Techstream.
    U023A*	Lost Communication with Image Processing Module "A"	The driving support ECU assembly does not receive data from the forward recognition camera for 3 seconds or more.	Both conditions are met: The ignition switch is ON for 3 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 6 seconds.	Displays messages on the multi-information display. PCS indicator light blinks.	DTC is stored until it is cleared using the Techstream.
    U1002*	Lost Communication with Gateway Module	The driving support ECU assembly does not receive data from the millimeter wave radar sensor assembly and forward recognition camera for 0.5 seconds or more.	Both conditions are met: The ignition switch is ON for 1 second or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 1.5 seconds.	Displays messages on the multi-information display. PCS indicator light blinks.	DTC is stored until it is cleared using the Techstream.
    U1104*	Lost Communication with Driving Support ECU	The millimeter wave radar sensor assembly or forward recognition camera does not receive data from the driving support ECU assembly for 0.224 seconds or more. The skid control ECU (brake actuator assembly) does not receive data from the driving support ECU assembly for 1.456 seconds or more.	Both conditions are met: The ignition switch is ON for 2 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 3.456 seconds.	Displays messages on the multi-information display. PCS indicator light blinks.	DTC is stored until it is cleared using the Techstream.

18. Forward Recognition Camera / Techstream Display "LKA/LDA"

    Chassis > LKA/LDA > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *: Refer to Lane Departure Alert System.

      Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2016 - ]

    FORWARD RECOGNITION CAMERA / TECHSTREAM DISPLAY "LKA/LDA"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The forward recognition camera does not receive data from the ECM for 5 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. The lane departure alert main switch is on. Vehicle speed is 1 km/h (or 1 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON, turn the lane departure alert main switch on and then drive the vehicle at a speed of 1 km/h (or 1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display. Lane departure alert indicator light (amber) illuminates.	DTC is stored until it is cleared using the Techstream.
    U0101	Lost Communication with TCM	The forward recognition camera does not receive data from the ECM for 5 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. The lane departure alert main switch is on. Vehicle speed is 1 km/h (or 1 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON, turn the lane departure alert main switch on and then drive the vehicle at a speed of 1 km/h (or 1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display. Lane departure alert indicator light (amber) illuminates.	DTC is stored until it is cleared using the Techstream.
    U0123	Lost Communication with Yaw Rate Sensor Module	The forward recognition camera does not receive data from the airbag sensor assembly for 5 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. The lane departure alert main switch is on. Vehicle speed is 1 km/h (or 1 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON, turn the lane departure alert main switch on and then drive the vehicle at a speed of 1 km/h (or 1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display. Lane departure alert indicator light (amber) illuminates.	DTC is stored until it is cleared using the Techstream.
    U0126	Lost Communication with Steering Angle Sensor Module	The forward recognition camera does not receive data from the steering sensor for 5 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. The lane departure alert main switch is on. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON, turn the lane departure alert main switch on and wait at least 7 seconds.	Displays messages on the multi-information display. Lane departure alert indicator light (amber) illuminates.	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The forward recognition camera does not receive data from the skid control ECU (brake actuator assembly) for 5 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. The lane departure alert main switch is on. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON, turn the lane departure alert main switch on and wait at least 7 seconds.	Displays messages on the multi-information display. Lane departure alert indicator light (amber) illuminates.	DTC is stored until it is cleared using the Techstream.
    U0131	Lost Communication with Power Steering Control Module	The forward recognition camera does not receive data from the power steering ECU assembly for 5 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. The lane departure alert main switch is on. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON, turn the lane departure alert main switch on and wait at least 7 seconds.	Displays messages on the multi-information display. Lane departure alert indicator light (amber) illuminates.	DTC is stored until it is cleared using the Techstream.
    U0142	Lost Communication with Body Control Module "B"	The forward recognition camera does not receive data from the main body ECU (multiplex network body ECU) for 5 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. The lane departure alert main switch is on. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON, turn the lane departure alert main switch on and wait at least 7 seconds.	Displays messages on the multi-information display. Lane departure alert indicator light (amber) illuminates.	DTC is stored until it is cleared using the Techstream.
    U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module (Combination Meter)	The forward recognition camera does not receive data from the combination meter assembly for 50 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. The lane departure alert main switch is on. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON, turn the lane departure alert main switch on and wait at least 52 seconds.	Displays messages on the multi-information display. Lane departure alert indicator light (amber) illuminates.	DTC is stored until it is cleared using the Techstream.
    U0235*	Lost Communication with Cruise Control Front Distance Range Sensor	The forward recognition camera does not receive data from the millimeter wave radar sensor assembly for 5 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. The lane departure alert main switch is on. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON, turn the lane departure alert main switch on and wait at least 7 seconds.	Displays messages on the multi-information display. Lane departure alert indicator light (amber) illuminates.	DTC is stored until it is cleared using the Techstream.
    U023A*	Lost Communication with Image Processing Module "A"	The power steering ECU assembly does not receive data from the forward recognition camera for 5 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. The lane departure alert main switch is on. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON, turn the lane departure alert main switch on and wait at least 7 seconds.	Displays messages on the multi-information display. Lane departure alert indicator light (amber) illuminates.	DTC is stored until it is cleared using the Techstream.
    U1104*	Lost Communication with Driving Support ECU	The forward recognition camera does not receive data from the driving support ECU assembly for 5 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. The lane departure alert main switch is on. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON, turn the lane departure alert main switch on and wait at least 7 seconds.	Displays messages on the multi-information display. Lane departure alert indicator light (amber) illuminates.	DTC is stored until it is cleared using the Techstream.

19. Forward Recognition Camera / Techstream Display "Front Recognition Camera"

    Chassis > Front Recognition Camera > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *: Refer to Front Recognition Camera System.

      Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2016 - 08/2017] or DIAGNOSTIC TROUBLE CODE CHART [08/2017 - ]

    FORWARD RECOGNITION CAMERA / TECHSTREAM DISPLAY "FRONT RECOGNITION CAMERA"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The forward recognition camera does not receive data from the ECM for 5 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. Vehicle speed is 1 km/h (or 1 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 1 km/h (or 1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0101	Lost Communication with TCM	The forward recognition camera does not receive data from the ECM for 5 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. Vehicle speed is 1 km/h (or 1 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 1 km/h (or 1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0123	Lost Communication with Yaw Rate Sensor Module	The forward recognition camera does not receive data from the airbag sensor assembly for 5 seconds or more.	All conditions are met: The ignition switch is ON for 2 seconds or more. Vehicle speed is 1 km/h (or 1 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 1 km/h (or 1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The forward recognition camera does not receive data from the skid control ECU (brake actuator assembly) for 5 seconds or more.	Both conditions are met: The ignition switch is ON for 2 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0142	Lost Communication with Body Control Module "B"	The forward recognition camera does not receive data from the main body ECU (multiplex network body ECU) for 5 seconds or more.	Both conditions are met: The ignition switch is ON for 2 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0235*	Lost Communication with Cruise Control Front Distance Range Sensor	The forward recognition camera does not receive data from the millimeter wave radar sensor assembly for 5 seconds or more.	Both conditions are met: The ignition switch is ON for 2 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U1104*	Lost Communication with Driving Support ECU	The forward recognition camera does not receive data from the driving support ECU assembly for 5 seconds or more.	Both conditions are met: The ignition switch is ON for 2 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the ignition switch to ON and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.

20. Millimeter Wave Radar Sensor Assembly / Techstream Display "-"

    HINT: 

    The millimeter wave radar sensor assembly is connected to the CAN communication system, but the millimeter wave radar sensor assembly does not store or output CAN communication DTCs.

21. Central Gateway ECU (Network Gateway ECU) / Techstream Display "Central Gateway"

    HINT: 

    The central gateway ECU (network gateway ECU) is connected to the CAN communication system, but the central gateway ECU (network gateway ECU) does not store or output CAN communication DTCs.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT: 

• The following waveform is measured between terminals CANH and GND, and terminals CANL and GND of the central gateway ECU (network gateway ECU). (Use this as a reference for diagnosis of CAN communication lines.)
• When malfunctions in multiple ECUs are suspected based on the CAN bus check and DTCs checked using the Techstream, check the resistance of the CAN bus using an ohmmeter first. If no problems are found, check the following waveforms.

  Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - ] 

• If a waveform is not similar to one of the following 3 patterns (Group 1), then an open in a CAN main bus line, an open in a CAN branch line, or a short between a CAN line (CANH or CANL) and ground is suspected (Group 2).
• Wiggle the connector and wire harness to check if the waveform changes.

1. CAN bus waveforms (Group 1)
   1. Normal waveform

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   2. Open in both of the lines (CANH and CANL) of a CAN branch

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      • Waveforms (waveforms shown using dotted lines) are not present from an ECU or sensor connected to a CAN branch with an open circuit in both lines. (Waveforms from other ECUs or sensors are normal.)
      • Because this waveform is similar to a normal waveform, instead of using the waveform, the malfunctioning part can be narrowed down by performing a CAN bus check.
   3. Short between the CAN bus lines (CANH and CANL)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      • Waveforms disappear.
      • If the malfunction is in an ECU, disconnecting the ECU will change the waveform. If the waveform does not change, a malfunction in the wire harness is suspected.
2. CAN bus waveforms (reference) (Group 2)
   NOTE:

   The following CAN bus waveforms can be used only as reference. The actual measured waveform may differ significantly depending on the location of the open or short circuit.

   1. Open in a CAN branch line (CANH)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      • An abnormal waveform is output from an ECU with an open in one of its CAN branch lines. Because this abnormal output interferes with the signals from other ECUs, the output of other ECUs will also appear abnormal.
      • Narrow down the malfunctioning part by checking DTCs or performing a CAN bus check, or by checking waveform changes when ECUs or sensors are disconnected. The waveform will change to one for an open in both sides of a CAN branch when the ECU or sensor with an open CAN branch line is disconnected.
   2. Open in a CAN branch line (CANL)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      • An abnormal waveform is output from an ECU with an open in one of its CAN branch lines. Because this abnormal output interferes with the signals from other ECUs, the output of other ECUs will also appear abnormal.
      • Narrow down the malfunctioning part by checking DTCs or performing a CAN bus check, or by checking waveform changes when ECUs or sensors are disconnected. The waveform will change to one for an open in both sides of a CAN branch when the ECU or sensor with an open CAN branch line is disconnected.
   3. Open in a CAN main bus line (CANH)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      • Waveforms of ECUs or sensors that are closer to the central gateway ECU (network gateway ECU) than the open part are almost normal.
      • Waveforms of ECUs or sensors that are on the opposite side of the central gateway ECU (network gateway ECU) from the open part are abnormal.
      • An open in a CAN main bus line can be confirmed by measuring the resistance between the CANH and CANL terminals of any CAN branch.
   4. Short between a CAN bus line (CANH) and ground

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      • Narrow down the shorted part by checking for waveform changes when disconnecting connectors from the CAN junction connectors or when disconnecting ECUs or sensors.
      • A short to ground in the CANH line can be confirmed by measuring the resistance between CANH and ground using an ohmmeter.
   5. Short between a CAN bus line (CANL) and ground

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      • Narrow down the shorted part by checking for waveform changes when disconnecting connectors from the CAN junction connectors or when disconnecting ECUs or sensors.
      • A short to ground in the CANL line can be confirmed by measuring the resistance between CANL and ground using an ohmmeter.

1. Data sending/receiving table

   HINT: 

   If Data List items related to sent/received data are not displayed properly, the part for which communication is interrupted can be determined using the table below.

   Data content	Data Detected and Sent by	Data Received by		Relevant Data List Item
   		Can be Checked in the Data List	Cannot be Checked in the Data List	Selected System	Data List Item	Link
   Accelerator position	ECM	Skid control ECU (brake actuator assembly)	Driving support ECU assembly Forward recognition camera	Engine and ECT	Accelerator Position	for 2ZR-FAE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   						for 2ZR-FE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   				ABS/VSC/TRAC	Accelerator Opening Angle %	Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   Engine speed	ECM	Skid control ECU (brake actuator assembly) Power steering ECU assembly Certification ECU (smart key ECU assembly) Combination meter assembly	Air conditioning amplifier assembly Airbag sensor assembly Navigation receiver assembly Radio and display receiver assembly Main body ECU (multiplex network body ECU)	Engine and ECT	Engine Speed	for 2ZR-FAE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   						for 2ZR-FE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   				ABS/VSC/TRAC	Engine Revolutions	Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   				EMPS	Engine Revolution	Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   				Power Source Control	Engine Condition	Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   				Combination Meter	Engine Rpm	Refer to DATA LIST / ACTIVE TEST [08/2016 - 08/2017] or DATA LIST / ACTIVE TEST [08/2017 - ]
   Engine coolant temperature	ECM	Air conditioning amplifier assembly Combination meter assembly	Certification ECU (smart key ECU assembly)	Engine and ECT	Coolant Temp	for 2ZR-FAE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   						for 2ZR-FE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   				Air Conditioner	Engine Coolant Temp	for Automatic Air Conditioning System Refer to DATA LIST / ACTIVE TEST [08/2014 - ]
   						for Manual Air Conditioning System Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   				Combination Meter	Coolant Temperature	Refer to DATA LIST / ACTIVE TEST [08/2016 - 08/2017] or DATA LIST / ACTIVE TEST [08/2017 - ]
   Vehicle speed	Skid control ECU (brake actuator assembly)	ECM Power steering ECU assembly Combination meter assembly*3 Navigation receiver assembly Radio and display receiver assembly Driving support ECU assembly	Airbag sensor assembly Forward recognition camera	ABS/VSC/TRAC	Vehicle Speed	Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   				Engine and ECT	Vehicle Speed	for 2ZR-FAE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   						for 2ZR-FE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   				EMPS	Meter Vehicle Velocity	Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   				Combination Meter	Vehicle Speed Meter	Refer to DATA LIST / ACTIVE TEST [08/2016 - 08/2017] or DATA LIST / ACTIVE TEST [08/2017 - ]
   				Navigation System	Vehicle Speed	for Navigation Receiver Type Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   						for Radio and Display Type Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   				Radar Cruise2	Vhcl Spd-Brake ECU	Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   	Combination meter assembly*3	Certification ECU (smart key ECU assembly)	Air conditioning amplifier assembly Main body ECU (multiplex network body ECU)	Combination Meter	Vehicle Speed Meter	Refer to DATA LIST / ACTIVE TEST [08/2016 - 08/2017] or DATA LIST / ACTIVE TEST [08/2017 - ]
   				Power Source Control	Vehicle Speed Signal	Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   Wheel speed	Skid control ECU (brake actuator assembly)	-	ECM Power steering ECU assembly Airbag sensor assembly Driving support ECU assembly Forward recognition camera	ABS/VSC/TRAC	FR Wheel Speed FL Wheel Speed RR Wheel Speed RL Wheel Speed	Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   Shift position	ECM	Navigation receiver assembly Radio and display receiver assembly Certification ECU (smart key ECU assembly)	Combination meter assembly*2 Airbag sensor assembly Main body ECU (multiplex network body ECU) Driving support ECU assembly Forward recognition camera	Engine and ECT	Neutral Position SW Signal	for 2ZR-FAE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   						for 2ZR-FE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   				Navigation System	Reverse Signal	for Navigation Receiver Type Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   						for Radio and Display Type Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   				Power Source Control	Shift P Signal	Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   Ambient temperature	Air conditioning amplifier assembly	ECM	Main body ECU (multiplex network body ECU) Navigation receiver assembly Radio and display receiver assembly Driving support ECU assembly Forward recognition camera	Air Conditioner	Ambient Temp Sensor	for Automatic Air Conditioning System Refer to DATA LIST / ACTIVE TEST [08/2014 - ]
   						for Manual Air Conditioning System Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   				Engine and ECT	Ambient Temp for A/C	for 2ZR-FAE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   						for 2ZR-FE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   Driver door courtesy switch	Main body ECU (multiplex network body ECU)	-	Certification ECU (smart key ECU assembly) Combination meter assembly*2 Forward recognition camera	Main Body	FL Door Courtesy SW	Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   Steering angle sensor	Steering sensor	Skid control ECU (brake actuator assembly) Power steering ECU assembly Driving support ECU assembly	Airbag sensor assembly Forward recognition camera	ABS/VSC/TRAC	Steering Angle Sensor	Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   				EMPS	Steering Angle Sens Sig	Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   				Radar Cruise2	Steering Angle	Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   Yaw rate sensor	Airbag sensor assembly	Skid control ECU (brake actuator assembly) Driving support ECU assembly	Power steering ECU assembly Forward recognition camera	ABS/VSC/TRAC	Yaw Rate Sensor	Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   				Radar Cruise2	Yaw Rate Sensor	Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   Deceleration sensor	Airbag sensor assembly	Skid control ECU (brake actuator assembly)	ECM Power steering ECU assembly Driving support ECU assembly Forward recognition camera	ABS/VSC/TRAC	Deceleration Sensor Deceleration Sensor2 Lateral G Forward and Rearward G	Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   ECM power source voltage*1	ECM	-	-	Engine and ECT	Battery Voltage	for 2ZR-FAE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   						for 2ZR-FE Refer to DATA LIST / ACTIVE TEST [08/2016 - ]
   Combination meter assembly power source voltage*1	Combination meter assembly	-	-	Combination Meter	+B Voltage Value	Refer to DATA LIST / ACTIVE TEST [08/2016 - 08/2017] or DATA LIST / ACTIVE TEST [08/2017 - ]
   Power steering ECU assembly power source voltage*1	Power steering ECU assembly	-	-	EMPS	IG Power Supply	Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   Navigation receiver assembly power source voltage*1	Navigation receiver assembly	-	-	Navigation System	Battery Voltage	Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   Radio and display receiver assembly power source voltage*1	Radio and display receiver assembly	-	-	Navigation System	Battery Voltage	Refer to DATA LIST / ACTIVE TEST [08/2013 - ]
   Solar sensor*1*4	Air conditioning amplifier assembly	-	-	Air Conditioner	Solar Sensor (D side)	Refer to DATA LIST / ACTIVE TEST [08/2014 - ]
   Driver door touch sensor*1	Certification ECU (smart key ECU assembly)	-	-	Smart Key	D-Door Touch Sensor	Refer to DATA LIST / ACTIVE TEST [08/2013 - ]

   *1: Whether the ECU that sends data is functioning or not can be judged by using the Techstream to check items such as switches or sensors that send signals to the ECU via direct lines.

   *2: Although the received contents cannot be checked in the Data List, whether or not the data is received normally can be checked by observing the combination meter assembly.

   *3: The combination meter assembly receives a vehicle speed signal from the skid control ECU (brake actuator assembly) and sends the signal to other ECUs.

   *4: w/ Automatic air Conditioning System