ROAD SIGN ASSIST SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use the following procedure to troubleshoot the road sign assist system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK


    1. Interview the customer and confirm the trouble.

      Result
      Proceed to
      NEXT

    NEXT

  3. INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage with the ignition switch off.

      Standard Voltage
      11 to 14 V

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

      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK CAN COMMUNICATION SYSTEM*


    1. Use the GTS to check if the CAN communication system is functioning normally.

      Click here

      Result
      Result Proceed to
      CAN communication system DTCs are not output A
      CAN communication system DTCs are output B

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  5. PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table.

      Click here

      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 Click here

    A

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Terminals of ECU

      Click here

    2. Data List / Active Test

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  7. ADJUST, REPAIR OR REPLACE

    Note

    Adjustment of the pre-crash safety city sensor is required when the pre-crash safety city sensor is replaced with a new one or if it is removed and reinstalled.


    Result
    Proceed to
    NEXT

    NEXT

  8. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END