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Front Seat Inner Belt Assembly: Inspection

  1. INSPECT FRONT SEAT INNER BELT ASSEMBLY LH 
    1. Check the buckle switch.
      Fig 1: Identifying Front Seat Inner Belt Assembly Connector Terminals
      G04944439Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value (s) in the table below.

        Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      connector A-3 - connector A-4 Fasten the seat belt (buckle switch is ON) Below 1 Ω
      connector A-3 - connector A-4 Release the seat belt (buckle switch is OFF) 1 MΩ or higher
      connector B-2 - connector C-1 Always Below 1 Ω
      connector B-4 - connector C-2 Always Below 1 Ω

      If the result is not as specified, replace the inner belt assembly.

    2. Check that the LED illuminates.
      1. Apply battery voltage to the front seat inner belt and check that the LED illuminates.

        OK 

    MEASUREMENT SPECIFIED CONDITION CHART

    Measurement Condition Specified Condition
    Battery positive (+) → connector A-1
    Battery negative (-) → connector A-2
    LED Illuminates
    Fig 2: Identifying Front Seat Inner Belt Connector Terminals
    G04944440Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If the result is not as specified, replace the inner belt assembly.

  2. INSPECT FRONT SEAT INNER BELT ASSEMBLY RH 
    1. Check the buckle switch.
      1. Measure the resistance according to the value (s) in the table below.

        Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      Connector A-1 - Connector A-2 Seat belt Is fastened Below 1 Ω
      Connector A-1 - Connector A-2 Seat belt Is unfastened 1 MΩ or higher
      Fig 3: Identifying Front Seat Inner Belt Connector Terminals
      G04944441Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the result is not as specified, replace the inner belt assembly.

    2. Check that the LED illuminates.
      1. Apply battery voltage to the front seat inner belt and check that the LED illuminates.

        OK 

    MEASUREMENT SPECIFIED CONDITION CHART

    Measurement Condition Specified Condition
    Battery positive (+) → Connector A-3
    Battery negative (-) → Connector A-4
    LED illuminates
    Fig 4: Identifying Front Seat Inner Belt Connector Terminals
    G04944441Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If the result is not as specified, replace the inner belt assembly.