Seat Belt Warning System How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP

  2. INSPECT BATTERY VOLTAGE

  3. CHECK FOR DTC*

  4. PROBLEM SYMPTOMS TABLE

  5. OVERALL ANALYSIS AND TROUBLESHOOTING*

  6. REPAIR OR REPLACE

  7. CONFIRMATION TEST

Seat Belt Warning System -- How To Proceed With Troubleshooting


HINT:
  1. Use the following procedures to troubleshoot the seat belt warning system.
  2. *: Use the intelligent tester.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.INSPECT BATTERY VOLTAGE
      Standard voltage:
      11 to 14 V
      If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

    NEXT


    3.CHECK FOR DTC*

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

    2. Clear the DTCs.

    3. Recheck for DTCs. Based on the DTCs output above, try to cause the output of the same CAN communication system DTC or airbag system DTC by simulating the symptoms indicated by the DTC.

      Result
      Result
      		Proceed to
      DTC is not output
      		A
      CAN communication system DTC is output (for LHD with Entry and Start System)
      		B
      CAN communication system DTC is output (for LHD without Entry and Start System)
      		C
      CAN communication system DTC is output (for RHD with Entry and Start System)
      		D
      CAN communication system DTC is output (for RHD without Entry and Start System)
      		E
      Airbag system DTC is output
      		F



    		B.
    Go to CAN COMMUNICATION SYSTEM (for LHD with Entry and Start System) (LandCruiser RM000000WIB0ECX.html)

    		C.
    Go to CAN COMMUNICATION SYSTEM (for LHD without Entry and Start System) (LandCruiser RM000000WIB0EDX.html)

    		D.
    Go to CAN COMMUNICATION SYSTEM (for RHD with Entry and Start System) (LandCruiser RM000000WIB0EEX.html)

    		E.
    Go to CAN COMMUNICATION SYSTEM (for RHD without Entry and Start System) (LandCruiser RM000000WIB0EFX.html)

    		F.
    Go to AIRBAG SYSTEM (LandCruiser RM000000XF70INX.html)
    A


    4.PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table (LandCruiser RM000003D2I034X.html).


    NEXT


    5.OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Operation Check (LandCruiser RM000002N5303IX.html)

    2. Data List / Active Test (LandCruiser RM0000012G70JUX.html)

    3. Terminals of ECU (LandCruiser RM0000014DJ0C2X.html)


    NEXT


    6.REPAIR OR REPLACE

      NEXT


      7.CONFIRMATION TEST

        NEXT

        END