How To Proceed With Troubleshooting
HINT:
- Use these procedures to troubleshoot the dynamic radar cruise control system.
- *: Use the Techstream.
- VEHICLE BROUGHT TO WORKSHOP
NEXT: Go to next step
- INSPECT BATTERY VOLTAGE
Standard voltage
11 to 14 V
If the voltage is below 11 V, replace or recharge the battery before proceeding.
NEXT: Go to next step
- CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
- Use the Techstream to check if the CAN communication system is functioning normally.RESULT
Result Proceed to CAN DTC is not output A CAN DTC is output B B → Go to CAN COMMUNICATION SYSTEM. Refer to DIAGNOSTIC TROUBLE CODE CHART
A: Go to next step
- Use the Techstream to check if the CAN communication system is functioning normally.
- CHECK FOR DTC*
- Clear the DTC. Refer to DTC CHECK / CLEAR .
- Recheck for DTC. Refer to DTC CHECK / CLEAR .RESULT
Result Proceed to DTC is not output A DTC is output B B → Go to DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART
A: Go to next step
- PROBLEM SYMPTOMS TABLE
- Refer to the problem symptoms table. Refer to PROBLEM SYMPTOMS TABLE .RESULT
Result Proceed to Fault is not listed in problem symptoms table A Fault is listed in problem symptoms table B B → Go to step 7
A: Go to next step
- Refer to the problem symptoms table. Refer to PROBLEM SYMPTOMS TABLE .
- OVERALL ANALYSIS AND TROUBLESHOOTING*
- Operation Check. Refer to OPERATION CHECK .
- Terminals of ECU. Refer to TERMINALS OF ECU .
- Data List / Active Test. Refer to DATA LIST / ACTIVE TEST .
NEXT: Go to next step
- ADJUST, REPAIR OR REPLACE NOTE:
- If the driving support ECU has been replaced, turn the power switch OFF → ON (IG) for 10 seconds or more → OFF to perform the initialization.
- When the front millimeter wave radar sensor is replaced with a new one, adjustment of the radar sensor beam axis must be performed. Refer to INSTALLATION .
NEXT: Go to next step
- CONFIRMATION TEST
NEXT → END