SEAT BELT WARNING SYSTEM(w/ Occupant Classification 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 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 problem.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  3. PRE-CHECK


    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.

    2. Check the fuses and relays.

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

      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Using the GTS, check for CAN communication system DTCs.

      Click here

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

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  5. CHECK DTC OUTPUT (AIRBAG SYSTEM)*


    1. Clear the DTCs.

      Click here


      Body Electrical > SRS Airbag > Clear DTCs

    2. Check for DTCs.

      Click here


      Body Electrical > SRS Airbag > Trouble Codes
      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B

    GO TO AIRBAG SYSTEM Click here

    A

  6. CHECK DTC OUTPUT (OCCUPANT CLASSIFICATION SYSTEM)*


    1. Clear the DTCs.

      Click here


      Body Electrical > Occupant Detection > Clear DTCs

    2. Check for DTCs.

      Click here


      Body Electrical > Occupant Detection > Trouble Codes
      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B

    GO TO OCCUPANT CLASSIFICATION SYSTEM Click here

    A

  7. CHECK COMBINATION METER ASSEMBLY


    1. Check the operation of the speedometer, shift indicator and brake warning light on the combination meter assembly.

      OK
      The speedometer, shift indicator and brake warning light on the combination meter assembly operate normally.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO METER / GAUGE SYSTEM Click here

    OK

  8. 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 10 Click here

    A

  9. 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

  10. REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  11. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END