Diagnosis System [08/2014 - ]

1. CAN No. 1 Bus
   1. ECM
   2. Power management control ECU
   3. Combination meter
   4. Main body ECU
   5. Power steering ECU
   6. Center airbag sensor assembly
   7. Skid control ECU (Brake booster with master cylinder)
   8. Steering angle sensor
   9. Yaw rate sensor
   10. Certification ECU (Smart key ECU)
   11. Transmission control ECU
   12. Navigation ECU Sub-assembly*1*2
   13. Radio and display receiver assembly*2
2. CAN No. 2 Bus
   1. Power management control ECU
   2. Driving support ECU*3
   3. Seat belt control ECU*4
3. Power Management Bus
   1. Power management control ECU
   2. ECM
   3. Skid control ECU (Brake booster with master cylinder)
   4. Air conditioning amplifier
4. Parking Assist Bus*3
   1. Driving support ECU
   2. Millimeter wave radar sensor
   3. Lane recognition camera sensor*5

      HINT: 

      *1: for Navigation receiver type

      *2: for Radio and display type

      *3: w/ Dynamic radar cruise control system

      *4: w/ Pre-collision system

      *5: w/ Lane-keeping assist system

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

   ECU/Sensor Name	Techstream Display	Applicability
   ECM	Engine	Installed on all vehicles
   Power management ECU	Hybrid Control Power Management1	Installed on all vehicles
   Transmission control ECU	Transmission Control	Installed on all vehicles
   Combination meter	Combination Meter	Installed on all vehicles
   Main body ECU	Main Body	Installed on all vehicles
   Power steering ECU	EPS	Installed on all vehicles
   Skid control ECU	ABS/VSC/TRAC	Installed on all vehicles
   Steering angle sensor	Steering Angle Sensor	Installed on all vehicles
   Yaw rate sensor	Yaw Rate/Deceleration Sensor	Installed on all vehicles
   Center airbag sensor assembly	SRS Airbag	Installed on all vehicles
   Certification ECU	Smart Access/Smart Key/Wireless Tuner	Installed on all vehicles
   Air conditioning amplifier	Air Conditioner	Installed on all vehicles
   Navigation ECU sub-assembly	AVN1	w/ Navigation system (for Navigation receiver type) w/ Audio and visual system (for Radio and display type)
   Radio and display receiver assembly	AVN1	w/ Audio and visual system (for Radio and display type)
   Driving support ECU	Cruise Control (ACC)	w/ Dynamic radar cruise control system
   Millimeter wave radar sensor	-	w/ Dynamic radar cruise control system
   Lane recognition camera sensor	-	w/ Lane-keeping assist system
   Seat belt control ECU	Pre-Collision1	w/ Pre-collision system

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 "CAN Bus Check" from "System Select".

HINT: 

• In the CAN communication system, CAN communication system DTCs can be displayed by the ECU using the Techstream.
• If CAN communication system DTCs are output, trouble cannot be determined only by the DTCs. Perform troubleshooting according to How to Proceed with Troubleshooting. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ] .

1. Power Management Control ECU / Techstream Display "Hybrid Control"

   DTC Code	Detection Item
   U0100-211	Lost Communication with ECM/PCM "A"
   U0100-212	Lost Communication with ECM/PCM "A"
   U0100-530	Lost Communication with ECM/PCM "A"
   U0122-732*1	Lost Communication with Vehicle Dynamic Control Module
   U0129-220	Lost Communication with Brake System Control Module
   U0129-222	Lost Communication with Brake System Control Module
   U0129-527	Lost Communication with Brake System Control Module
   U0129-528	Lost Communication with Brake System Control Module
   U0140-146	Communication Error from Body ECU to HV ECU
   U0151-763	Communication Error from Airbag ECU to HV ECU
   U0164-594	Communication Error from A/C ECU to HV ECU
   U0164-827	Communication Error from A/C ECU to HV ECU
   U1104-728	Lost Communication with Driving Support ECU
   U1107-436	Lost Communication with Power Management Module

   HINT: 

   • DTC communication uses the CAN communication system.
   • *1: Dynamic radar cruise control system DTC
2. Power Management Control ECU / Techstream Display "Electric Power Control"

   DTC Code	Detection Item
   U0129	Vehicle Speed Signal Communication
   U0140	Lost Communication with Body Control Module
   U0293*2	HV ECU Communication

   HINT: 

   • DTC communication uses the CAN communication system.
   • *2: If U0293 is output alone, CAN communication is normal. Refer to Smart Key System. Refer to DTC U0293: Lost Communication with HV ECU [08/2014 - ] .
3. Power Management Control ECU / Techstream Display "Power Management1"

   DTC Code	Detection Item
   U0104	Lost Communication with Cruise Control Module
   U1002	Lost Communication with Gateway Module
   U1100	Lost Communication with Pre-Collision Module

   HINT: 

   • DTC communication uses the CAN communication system.
   • "Power Management1" output DTC is communication error in the CAN No. 2 bus.
4. Power Management Control ECU / Techstream Display "Power Management2"

   DTC Code	Detection Item
   U0100	Lost Communication with ECM / PCM
   U0129	Lost Communication with Brake System Control Module
   U0164	Lost Communication with HVAC Control Module
   U1002	Lost Communication with Gateway Module

   HINT: 

   • DTC communication uses the CAN communication system.
   • "Power Management2" output DTC is communication error in the power management bus.
5. ECM / Techstream Display "Engine"

   DTC Code	Detection Item
   U0293	Lost Communication with Hybrid Vehicle Control System

   HINT: 

   DTC communication uses the CAN communication system.

6. Transmission Control ECU / Techstream Display "Transmission Control"

   DTC Code	Detection Item
   U0146	Lost Communication with Body ECU

   HINT: 

   DTC communication uses the CAN communication system.

7. Power Steering ECU / Techstream Display "EPS"

   DTC Code	Detection Item
   U0129	Lost Communication with Brake System Control Module
   U0293	Lost Communication with Hybrid Control Module
   U1104	Lost Communication with Driving Support ECU

   HINT: 

   DTC communication uses the CAN communication system.

8. Skid control ECU (Brake booster with master cylinder) / Techstream Display "ABS/VSC/TRAC"

   DTC Code	Detection Item
   U0073	Control Module Communication Bus OFF
   U0123	Lost Communication with Yaw Rate Sensor Module
   U0124	Lost Communication with Lateral Acceleration Sensor Module
   U0126	Lost Communication with Steering Angle Sensor Module
   U0293	Lost Communication with Hybrid Vehicle Control System

   HINT: 

   DTC communication uses the CAN communication system.

9. Steering Angle Sensor / Techstream Display "Steering Angle Sensor"

   HINT: 

   The steering angle sensor is connected to the CAN communication system, but CAN communication DTCs are not output.

10. Yaw Rate Sensor / Techstream Display "Yaw Rate / Deceleration Sensor"

    HINT: 

    The yaw rate and acceleration sensor is connected to the CAN communication system, but CAN communication DTCs are not output.

11. Center Airbag Sensor Assembly / Techstream Display "SRS Airbag"

    HINT: 

    The center airbag sensor assembly is connected to the CAN communication system, but CAN communication DTCs are not output.

12. Main Body ECU (w/ LED Headlight System or w/ Remote Air Conditioning System)/ Techstream Display "Main Body"

    DTC Code	Detection Item
    U0100	Lost Communication with ECM/ PCM "A"
    U0101	Lost Communication with TCM
    U0151	Lost Communication with Restraints Control Module
    U0155	Lost Communication with Instrument Panel Cluster
    U0164	Lost Communication with HVAC Control Module
    U0293	Lost Communication with Hybrid Powertrain Control Module
    U0327	Software Incompatibility with Vehicle Security
    U1133	Lost Communication with PMN Module

    HINT: 

    DTC communication uses the CAN communication system.

13. Main Body ECU (w/o LED Headlight System and w/o Remote Air Conditioning System)/ Techstream Display "Main Body"

    HINT: 

    The main body ECU (w/o LED Headlight System and w/o Remote Air Conditioning System) is connected to the CAN communication system, but CAN communication DTCs are not output.

14. Certification ECU / Techstream Display "Smart Access/ Smart Key/ Wireless Tuner"

    DTC Code	Detection Item
    U0100	Lost Communication with ECM / PCM "A"
    U0142	Lost Communication with Body Control Module "B"
    U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module
    U0293	Lost Communication with HV ECU

    HINT: 

    DTC communication uses the CAN communication system.

15. Air Conditioning Amplifier / Techstream Display "Air Conditioner"

    DTC Code	Detection Item
    U0100	Communication Malfunction (Engine ECU)
    U0101	Lost Communication with TCM
    U0131	Communication Malfunction (Electric Power Steering ECU)
    U0142	Communication Malfunction (Main body ECU)
    U0155	Communication Malfunction (Meter ECU)
    U0293	Communication Malfunction (Navigation ECU)

    HINT: 

    DTC communication uses the CAN communication system.

16. Combination Meter / Techstream Display "Combination Meter"

    DTC Code	Detection Item
    U0100	Lost Communication with ECM / PCM "A"
    U0129	Lost Communication with Brake System Control Module
    U0131	Lost Communication with Power Steering Control Module
    U0142	Lost Communication with Body Control Module "B"
    U0151	Lost Communication with Restraints Control Module

    HINT: 

    DTC communication uses the CAN communication system.

17. Navigation ECU sub-assembly (for Navigation receiver type and for Radio and Display Type) / Techstream Display "AVN1"

    DTC Code	Detection Item
    U0073	Sending Malfunction (Navigation to APGS)
    U0100	Lost Communication with ECM / PCM "A"
    U0129	Lost Communication with Brake System Control Module
    U0140	Lost Communication with Body Control Module
    U0155	Meter ECU Communication
    U0293	Lost Communication with HV ECU

    HINT: 

    DTC communication uses the CAN communication system.

18. Radio and Display Receiver Assembly (for Radio and Display Type) / Techstream Display "AVN1"

    DTC Code	Detection Item
    U0073	Sending Malfunction (Navigation to APGS)
    U0100	Lost Communication with ECM / PCM "A"
    U0129	Lost Communication with Brake System Control Module
    U0140	Lost Communication with Body Control Module
    U0155	Meter ECU Communication
    U0293	Lost Communication with HV ECU

    HINT: 

    DTC communication uses the CAN communication system.

19. Seat Belt Control ECU / Techstream Display "Pre-Collision1"

    DTC Code	Detection Item
    U0122	Lost Communication with Vehicle Dynamics Control Module
    U0140	Lost Communication with J/B ECU
    U0151	Lost Communication with SRS Airbag ECU
    U1104	Lost Communication with Driving Support ECU

    HINT: 

    DTC communication uses the CAN communication system.

20. Driving Support ECU / Techstream Display "Pre-Collision2"

    DTC Code	Detection Item
    U0122	Lost Communication with Vehicle Dynamics Control Module
    U0123	Lost Communication with Yaw Rate Sensor Module
    U0126	Lost Communication with Steering Angle Sensor Module
    U0235*3	Lost Communication with Cruise Control Front Distance Range Sensor
    U0293	Lost Communication with Hybrid Vehicle Control System
    U1002	Lost Communication with Gateway Module
    U1100	Lost Communication with Pre-Collision Module
    U1104	Lost Communication with Driving Support ECU
    U1119*3	Lost Communication with Object Recognition ECU

    HINT: 

    • DTC communication uses the CAN communication system.
    • *3: If U0235 or U1119 is output alone, CAN communication is normal. Refer to Dynamic Radar Cruise Control System. Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2014 - ] .
21. Driving Support ECU / Techstream Display "Cruise Control (ACC)"

    DTC Code	Detection Item
    U0122	Lost Communication with Vehicle Dynamics Control Module
    U0123	Lost Communication with Yaw Rate Sensor Module
    U0126	Lost Communication with Steering Angle Sensor Module
    U0235*3	Lost Communication with Cruise Control Front Distance Range Sensor
    U0293	Lost Communication with Hybrid Vehicle Control System
    U1104	Lost Communication with Driving Support ECU

    HINT: 

    • DTC communication uses the CAN communication system.
    • *3: If U0235 is output alone, CAN communication is normal. Refer to Dynamic Radar Cruise Control System. Refer to DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor [08/2014 - ] .
22. Driving Support ECU / Techstream Display "Lane Keeping Assist"

    DTC Code	Detection Item
    U0122	Lost Communication with Vehicle Dynamics Control Module
    U0123	Lost Communication with Yaw Rate Sensor Module
    U0131	Lost Communication with Power Steering Control Module
    U0235*3	Lost Communication with Cruise Control Front Distance Range Sensor
    U0293	Lost Communication with Hybrid Vehicle Control System
    U1104	Lost Communication with Driving Support ECU
    U1119*4	Lost Communication with Object Recognition ECU

    HINT: 

    • DTC communication uses the CAN communication system.
    • *3: If U0235 is output alone, CAN communication is normal. Refer to Dynamic Radar Cruise Control System. Refer to DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor [08/2014 - ] .
    • *4: If U1119 is output alone, CAN communication is normal. Refer to Lane-keeping Assist System. Refer to DTC U1119: Lost Communication with Object Recognition ECU (CAN) [08/2014 - ] .
23. Millimeter Wave Radar Sensor

    HINT: 

    The millimeter wave radar sensor is connected to the CAN communication system, but CAN communication DTCs are not output.

24. Lane Recognition Camera Sensor

    HINT: 

    The lane recognition camera sensor is connected to the CAN communication system, but CAN communication DTCs are not output.

1. CAN No. 1 Bus

   DTC		Trouble Mode
   Output ECU	Output DTC	Power Management ECU Communication Stop Mode	ECM Communication Stop Mode	Main Body ECU Communication Stop Mode	Combination Meter ECU Communication Stop Mode
   Power management control ECU (Hybrid Control)	U0100	◦*1	◦	X	X
   	U0122	◦*1	X	X	X
   	U0129	◦*1	X	X	X
   	U0140	◦*1	X	◦	X
   	U0151	◦*1	X	X	X
   	U1107	◦*1	X	X	X
   Power management control ECU (Electric Power Control)	U0129	◦*1	X	X	X
   	U0140	◦*1	X	◦	X
   	U0293	◦	X	X	X
   ECM	U0293	◦	◦*1	X	X
   Transmission control ECU	U0146	X	X	◦	X
   Main body ECU*3	U0100	X	◦	◦*1	X
   	U0101	◦	X	◦*1	X
   	U0151	X	X	◦*1	X
   	U0155	X	X	◦*1	◦
   	U0164	◦*6	X	◦*1	X
   	U0293	◦	X	◦*1	X
   	U0327	X	X	◦*1	X
   	U1133	◦	X	◦*1	X
   Combination meter	U0100	X	◦	X	◦*1
   	U0129	X	X	X	◦*1
   	U0131	X	X	X	◦*1
   	U0142	X	X	◦	◦*1
   	U0151	X	X	X	◦*1
   Skid control ECU	U0073	X	X	X	X
   	U0123	X	X	X	X
   	U0124	X	X	X	X
   	U0126	X	X	X	X
   	U0293	◦	X	X	X
   Power steering ECU	U0129	X	X	X	X
   	U0293	◦	X	X	X
   	U1104	◦*7	X	X	X
   Certification ECU	U0100	X	◦	X	X
   	U0142	X	X	◦	X
   	U0155	X	X	X	◦
   	U0293	◦	X	X	X
   Navigation ECU Sub-assembly*4*5	U0073	X	X	X	X
   	U0100	◦	X	X	X
   	U0129	X	X	X	X
   	U0140	X	X	◦	X
   	U0155	X	X	X	◦
   	U0293	◦	X	X	X
   Radio and display receiver assembly*5	U0073	X	X	X	X
   	U0100	◦	X	X	X
   	U0129	X	X	X	X
   	U0140	X	X	◦	X
   	U0155	X	X	X	◦
   	U0293	◦	X	X	X

   DTC		Trouble Mode
   Output ECU	Output DTC	Power Steering ECU Communication Stop Mode	Skid Control ECU Communication Stop Mode	Steering Angle Sensor Communication Stop Mode	Yaw Rate Sensor Communication Stop Mode
   Power management control ECU (Hybrid Control)	U0100	X	X	X	X
   	U0122	X	◦	X	X
   	U0129	X	◦	X	X
   	U0140	X	X	X	X
   	U0151	X	X	X	X
   	U1107	X	X	X	X
   Power management control ECU (Electric Power Control)	U0129	X	◦	X	X
   	U0140	X	X	X	X
   	U0293	X	X	X	X
   ECM	U0293	X	X	X	X
   Transmission control ECU	U0146	X	X	X	X
   Main body ECU*3	U0100	X	X	X	X
   	U0101	X	X	X	X
   	U0151	X	X	X	X
   	U0155	X	X	X	X
   	U0164	X	X	X	X
   	U0293	X	X	X	X
   	U0327	X	X	X	X
   	U1133	X	X	X	X
   Combination meter	U0100	X	X	X	X
   	U0129	X	◦	X	X
   	U0131	◦	X	X	X
   	U0142	X	X	X	X
   	U0151	X	X	X	X
   Skid control ECU	U0073	X	◦*1, 2	X	◦
   	U0123	X	◦*1	X	◦
   	U0124	X	◦*1	X	◦
   	U0126	X	◦*1	◦	X
   	U0293	X	◦*1	X	X
   Power steering ECU	U0129	◦*1	◦	◦	◦
   	U0293	◦*1	X	X	X
   	U1104	◦*1	X	X	X
   	U1105	◦*1	X	X	X
   Certification ECU	U0100	X	X	X	X
   	U0142	X	X	X	X
   	U0155	X	X	X	X
   	U0293	X	X	X	X
   Navigation ECU Sub-assembly*4*5	U0073	X	X	X	X
   	U0100	X	X	X	X
   	U0129	X	◦	X	X
   	U0140	X	X	X	X
   	U0155	X	X	X	X
   	U0293	X	X	X	X
   Radio and display receiver assembly*5	U0073	X	X	X	X
   	U0100	X	X	X	X
   	U0129	X	◦	X	X
   	U0140	X	X	X	X
   	U0155	X	X	X	X
   	U0293	X	X	X	X

   DTC
   Output ECU	Output DTC	Center Airbag Sensor Communication Stop Mode	Certification ECU Communication Stop Mode	Transmission control Communication Stop Mode	Navigation ECU Communication Stop Mode
   Power management control ECU (Hybrid Control)	U0100	X	X	X	X
   	U0122	X	X	X	X
   	U0129	X	X	X	X
   	U0140	X	X	X	X
   	U0151	◦	X	X	X
   	U1107	X	X	X	X
   Power management control ECU (Electric Power Control)	U0129	X	X	X	X
   	U0140	X	X	X	X
   	U0293	X	X	X	X
   ECM	U0293	X	X	X	X
   Transmission control ECU	U0146	X	X	◦*1	X
   Main body ECU*3	U0100	X	X	X	X
   	U0101	X	X	X	X
   	U0151	◦	X	X	X
   	U0155	X	X	X	X
   	U0164	X	X	X	X
   	U0293	X	X	X	X
   	U0327	X	◦	X	X
   	U1133	X	X	X	X
   Combination meter	U0100	X	X	X	X
   	U0129	X	X	X	X
   	U0131	X	X	X	X
   	U0142	X	X	X	X
   	U0151	◦	X	X	X
   Skid control ECU	U0073	X	X	X	X
   	U0123	X	X	X	X
   	U0124	X	X	X	X
   	U0126	X	X	X	X
   	U0293	X	X	X	X
   Power steering ECU	U0129	X	X	X	X
   	U0293	X	X	X	X
   	U1104	X	X	X	X
   	U1105	X	X	X	X
   Certification ECU	U0100	X	◦*1	X	X
   	U0142	X	◦*1	X	X
   	U0155	X	◦*1	X	X
   	U0293	X	◦*1	X	X
   Navigation ECU Sub-assembly*4*5	U0073	X	X	X	◦*1
   	U0100	X	X	X	◦*1
   	U0129	X	X	X	◦*1
   	U0140	X	X	X	◦*1
   	U0155	X	X	X	◦*1
   	U0293	X	X	X	◦*1
   Radio and display receiver assembly*5	U0073	X	X	X	◦*1
   	U0100	X	X	X	◦*1
   	U0129	X	X	X	◦*1
   	U0140	X	X	X	◦*1
   	U0155	X	X	X	◦*1
   	U0293	X	X	X	◦*1

   DTC		Trouble Mode
   Output ECU	Output DTC	Audio Receiver Assembly Communication Stop Mode
   Power management control ECU (Hybrid Control)	U0100	X
   	U0122	X
   	U0129	X
   	U0140	X
   	U0151	X
   	U1107	X
   Power management control ECU (Electric Power Control)	U0129	X
   	U0140	X
   	U0293	X
   ECM	U0293	X
   Transmission control ECU	U0146	X
   Main body ECU*3	U0100	X
   	U0101	X
   	U0151	X
   	U0155	X
   	U0164	X
   	U0293	X
   	U0327	X
   	U1133	X
   Combination meter	U0100	X
   	U0129	X
   	U0131	X
   	U0142	X
   	U0151	X
   Skid control ECU	U0073	X
   	U0123	X
   	U0124	X
   	U0126	X
   	U0293	X
   Power steering ECU	U0129	X
   	U0293	X
   	U1104	X
   	U1105	X
   Certification ECU	U0100	X
   	U0142	X
   	U0155	X
   	U0293	X
   Navigation ECU Sub-assembly*4*5	U0073	X
   	U0100	◦*1
   	U0129	◦*1
   	U0140	◦*1
   	U0155	◦*1
   	U0293	◦*1
   Radio and display receiver assembly*5	U0073	X
   	U0100	◦*1
   	U0129	◦*1
   	U0140	◦*1
   	U0155	◦*1
   	U0293	◦*1

   HINT: 

   • ◦: Set
   • X: Not set or may be set according to the malfunctioning part when one side of the CAN branch wire opens.
   • *1: DTC is not output during communication error, but will be output as a history DTC (past DTC) when communication returns to normal.
   • *2: DTC U0100, U0123, U0124 and U0126 are not stored when DTC U0073 has already been stored.
   • *3: w/ LED headlight system or w/ remote air conditioning system
   • *4: for Navigation receiver type
   • *5: for Radio and display type
   • *6: If the power management bus circuit is normal
   • *7: If the CAN No. 2 bus circuit is normal
   • Skid Control ECU Communication Stop Mode. Refer to Skid Control ECU Communication Stop Mode [08/2014 - ]
   • Power Steering ECU Communication Stop Mode. Refer to Power Steering ECU Communication Stop Mode [08/2014 - ]
   • Steering Angle Sensor Communication Stop Mode. Refer to Steering Angle Sensor Communication Stop Mode [08/2014 - ]
   • Yaw Rate Sensor Communication Stop Mode. Refer to Yaw Rate Sensor Communication Stop Mode [08/2014 - ]
   • ECM Communication Stop Mode. Refer to ECM Communication Stop Mode [08/2014 - ]
   • Transmission Control ECU Communication Stop Mode. Refer to Transmission Control ECU Communication Stop Mode [08/2014 - ]
   • Main Body ECU Communication Stop Mode. Refer to Main Body ECU Communication Stop Mode [08/2014 - ]
   • Combination Meter ECU Communication Stop Mode. Refer to Combination Meter ECU Communication Stop Mode [08/2014 - ]
   • Center Airbag Sensor Communication Stop Mode. Refer to Center Airbag Sensor Communication Stop Mode [08/2014 - ]
   • Certification ECU Communication Stop Mode. Refer to Certification ECU Communication Stop Mode [08/2014 - ]
   • Power Management ECU Communication Stop Mode. Refer to Power Management Control ECU Communication Stop Mode [08/2014 - ]
   • Navigation ECU Communication Stop Mode. Refer to Navigation ECU Communication Stop Mode [08/2014 - ]
   • Audio Receiver Assembly Communication Stop Mode. Refer to Audio Receiver Assembly Communication Stop Mode [08/2014 - ]