SEAT BELT WARNING SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use this procedure to troubleshoot the seat belt warning system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS


    1. Interview the customer to confirm the trouble Click here.

      Result
      Proceed to
      NEXT

    NEXT

  3. INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the auxiliary battery voltage with power switch off.

      Standard Voltage
      11 to 14 V

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

      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Use the GTS to check if the CAN communication system is functioning normally (w/Central Gateway ECU: w/Central Gateway ECU: Click here).

      Result
      Result Proceed to
      CAN DTC is not output A
      CAN DTC is output (w/ Central Gateway ECU) B
      CAN DTC is output (w/o Central Gateway ECU) C

    B

    GO TO CAN COMMUNICATION SYSTEM (w/ Central Gateway ECU: Click here)

    C

    GO TO CAN COMMUNICATION SYSTEM (w/o Central Gateway ECU: Click here)

    A

  5. CHECK COMBINATION METER SUB-ASSEMBLY


    1. Check that the speedometer and shift indicator on the combination meter sub-assembly operate normally.

      Result
      Result Proceed to
      OK A
      NG B

    B

    GO TO METER / GAUGE SYSTEM 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

    GO TO STEP 8 Click here

    A

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Data List / Active Test Click here

    2. Terminals of ECU Click here

    3. On-vehicle Inspection Click here

      Result
      Proceed to
      NEXT

    NEXT

  8. REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  9. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END