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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 Nut And Front Seat Inner Belt Assembly
      G04944438Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 2: 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 CONDITION CHART

        Measurement Condition Specified Condition
        Battery positive (+) → connector A-1
        Battery negative (-) → connector A-2        		 LED illuminates

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

        Fig 3: Identifying Front Seat Inner Belt Connector Terminals
        G04944440Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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

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

        Fig 4: Identifying Front Seat Inner Belt Connector Terminals
        G04944441Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check that the LED illuminates.
      1. Apply battery voltage to the front seat inner belt and check that the LED illuminates.

        OK 

        MEASUREMENT CONDITION CHART

        Measurement Condition Specified Condition
        Battery positive (+) → Connector A-3
        Battery negative (-) → Connector A-4        		 LED illuminates

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

        Fig 5: Identifying Front Seat Inner Belt Connector Terminals
        G04944441Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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