How To Proceed With Troubleshooting [05/2019 - ]: Procedure

VEHICLE BROUGHT TO WORKSHOP
Result

Proceed to

NEXT

Result:

NEXT

See step 2

PRE-CHECK

Measure the battery voltage.
Standard voltage

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
Check the fuses and relays.

Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

Result

Proceed to
NEXT

Result:

See step 3

CHECK for DTCs (HEALTH CHECK)*

Connect the Techstream to the DLC3.
Turn the engine switch on (IG).
Turn the Techstream on.
Enter the following menus: System Select / Health Check.
Check for DTCs.

Turn the engine switch off.

Result

Result	Proceed to
System DTCs other than DTCs related to the dynamic radar cruise control system (Radar Cruise1) and dynamic radar cruise control system (Radar Cruise2) are not output.	A
System DTCs other than DTCs related to the dynamic radar cruise control system (Radar Cruise1) and dynamic radar cruise control system (Radar Cruise2) are output.	B

Result:

GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [05/2019 - ]

Result:

See step 4

CHECK MULTI-INFORMATION DISPLAY

Check if a warning message is displayed on the multi-information display in the combination meter assembly.

HINT:

If more than one message is displayed, perform each inspection in the order of A, B and C.

Result

Result	Proceed to
"Cruise Control Malfunction Visit Your Dealer" is displayed.	A
One of the following warning messages is displayed: "Radar Cruise Control Unavailable See Owner's Manual" "Radar Cruise Control Unavailable"	B
No dynamic radar cruise control system warnings are displayed.	C

Result:

See step 7

Result:

See step 10

Result:

See step 5

CHECK CAN COMMUNICATION SYSTEM*

Using the Techstream, check that the CAN communication system is functioning normally.

Refer to DIAGNOSIS SYSTEM [05/2019 - 10/2019] , or refer to DIAGNOSIS SYSTEM [10/2019 - 07/2020] , or refer to DIAGNOSIS SYSTEM [07/2020 - ]

CAN communication system is functioning normally.

Result

Proceed to
OK
NG

Result:

GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2019 - ]

Result:

See step 6

CHECK FOR DTCs*

Check for DTCs.
Refer to DTC CHECK / CLEAR [05/2019 - ]

Powertrain > Cruise Control > Trouble Codes

Powertrain > Radar Cruise2 > Trouble Codes

Make a note of any DTCs that are output.

Result

Result	Proceed to
DTCs are not output	A
DTCs are output	B

Result:

See step 8

Result:

See step 7

CHECK VEHICLE CONTROL HISTORY*

Using the Techstream, check for vehicle control history.

Refer to VEHICLE CONTROL HISTORY [05/2019 - ]

Powertrain > Radar Cruise2 > Utility

Tester Display
Vehicle Control History (RoB)

Record any vehicle control history that is output.

Result

Result	Proceed to
Vehicle control history is not output	A
Vehicle control history X2013, X2015, X2022, X2026 or X2028 is output	B
Vehicle control history other than X2013, X2015, X2022, X2026 and X2028 is output	C

Result:

USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2019 - 10/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2019 - 07/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - ]

Result:

GO TO VEHICLE CONTROL HISTORY. Refer to VEHICLE CONTROL HISTORY [05/2019 - ]

Result:

See step 9

RECONFIRM DTCs*

Clear the DTCs.
Refer to DTC CHECK / CLEAR [05/2019 - ]

Powertrain > Cruise Control > Clear DTCs

Powertrain > Radar Cruise2 > Clear DTCs
Reproduce the vehicle conditions that were present when the DTCs that were noted were stored.
HINT:

Refer to each corresponding DTC for details on the detection conditions.

Refer to DIAGNOSTIC TROUBLE CODE CHART [05/2019 - ]

Recheck for DTCs.

Refer to DTC CHECK / CLEAR [05/2019 - ]

Powertrain > Cruise Control > Trouble Codes

Powertrain > Radar Cruise2 > Trouble Codes

Result

Result	Proceed to
DTCs are not output	A
DTCs are output	B

Result:

GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [05/2019 - ]

RECONFIRM VEHICLE CONTROL HISTORY*

Using the Techstream, clear the vehicle control history.

Refer to VEHICLE CONTROL HISTORY [05/2019 - ]

Powertrain > Radar Cruise2 > Utility

Tester Display
Vehicle Control History (RoB)

Recheck for vehicle control history.

Refer to VEHICLE CONTROL HISTORY [05/2019 - ]

Powertrain > Radar Cruise2 > Utility

Tester Display
Vehicle Control History (RoB)

Result

Result	Proceed to
Vehicle control history is not output	A
Vehicle control history is output	B

Result:

GO TO VEHICLE CONTROL HISTORY. Refer to VEHICLE CONTROL HISTORY [05/2019 - ]

PROBLEM SYMPTOMS TABLE

HINT:

Refer to Problem Symptoms Table.

Refer to PROBLEM SYMPTOMS TABLE [05/2019 - ]

Result

Result	Proceed to
Fault is not listed in Problem Symptoms Table	A
Fault is listed in Problem Symptoms Table	B

Result:

GO TO PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [05/2019 - ]

Result:

See step 11

INSPECT MILLIMETER WAVE RADAR SENSOR ASSEMBLY (BEAM AXIS MISALIGNMENT READING)*

NOTE:

Before checking for millimeter wave radar sensor beam axis misalignment, make sure that the radiator grille and front bumper are correctly installed and have not been damaged or modified.

Adjust the reflector height.
Refer to ADJUSTMENT [05/2019 - ]
Place the reflector.
Refer to ADJUSTMENT [05/2019 - ]
Connect the Techstream to the DLC3.
Turn the engine switch on (IG).
Turn the Techstream on.

Enter the following menus: Body Electrical / Front Radar Sensor / Utility / Front Beam Axis Misalignment Reading.

Body Electrical > Front Radar Sensor > Utility

Tester Display
Front Beam Axis Misalignment Reading

Check the amount of misalignment.

Standard

Vertical Direction	-5 to 5 deg.
Horizontal Direction	-0.6 to 0.6 deg.

Result

Result	Proceed to
The beam axis values are within specification	A
The beam axis values are not within specification	B

Result:

ADJUST MILLIMETER WAVE RADAR SENSOR ASSEMBLY. Refer to ADJUSTMENT [05/2019 - ]