ROAD SIGN ASSIST SYSTEM

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tip:

  • Perform 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.

      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. Using the GTS, check if the CAN communication system is functioning normally.

      for LHD with Central Gateway ECU:Click hereClick here

      for RHD with Central Gateway ECU:Click hereClick hereClick here

      OK

      CAN communication system is functioning normally.

    Result

    Proceed to

    OK

    NG
    NG

    GO TO CAN COMMUNICATION SYSTEM

    for LHD with Central Gateway ECU:Click here

    for RHD with Central Gateway ECU:Click here

    OK

  5. CHECK FOR DTCs (ROAD SIGN ASSIST SYSTEM)*

    1. Check for DTCs and note any codes that are output.

      Click here

      Body Electrical > Road Sign Assist > Trouble Codes

    2. Clear the DTCs.

      Click here

      Body Electrical > Road Sign Assist > Clear DTCs

    3. Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.

      Click here

      Body Electrical > Road Sign Assist > Trouble Codes

    Result

    Result

    Proceed to

    DTCs are not output

    A

    DTCs are output

    B
    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART

    Click here

    A

  6. 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

    ADJUST, REPAIR OR REPLACEClick here

    A

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Terminals of ECU

      Click here

    2. Data List / Active Test

      Click here

    Result

    Proceed to

    NEXT
    NEXT

  8. ADJUST, REPAIR OR REPLACE

    Note:

    When the forward recognition camera is replaced with a new one, adjustment of the forward recognition camera optical axis must be performed.

    Click here

    Result

    Proceed to

    NEXT
    NEXT

  9. CONFIRMATION TEST

    Result

    Proceed to

    NEXT
    NEXT

    END