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Seat Belt Warning System: Inspection

  1. INSPECT FRONT SEAT INNER BELT ASSY LH 
    1. When fastening the seat belt (Buckle switch is ON).
      1. Inspect the continuity and resistance between the terminals.

        Standard: 

        TESTER CONNECTION AND SPECIFIED CONDITION CHART

        Tester connection Specified condition
        A1 <=> A4 330 Ω
        A1 <=> A6 Continuity
        A2 <=> B2 Continuity
        A5 <=> B1 Continuity

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

        Fig 1: Identifying Connector Terminals Of Front Seat Inner Belt Assembly LH
        G03373027Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. When releasing the seat belt (Buckle switch is OFF).
      1. Inspect the continuity and resistance between the terminals.

        Standard: 

        TESTER CONNECTION AND SPECIFIED CONDITION CHART

        Tester connection Specified condition
        A1 <=> A4 1,330 Ω
        A1 <=> A6 No continuity
        A2 <=> B2 Continuity
        A5 <=> B1 Continuity

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

        Fig 2: Identifying Connector Terminals Of Front Seat Inner Belt Assembly LH
        G03373028Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT FRONT SEAT INNER BELT ASSY RH 
    1. Short between connector terminals 1 and 3 of the occupation sensor.
    2. When fastening the seat belt (Buckle switch is ON).
      Fig 3: Identifying Connector Terminals Of Front Seat Inner Belt Assy RH
      G03373029Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Inspect the continuity and resistance between the terminals.

        Standard: 

        TESTER CONNECTION AND SPECIFIED CONDITION CHART

        Tester connection Specified condition
        1 <=> 6 Continuity Ω
        1 <=> 4 No continuity
        2 <=> 5 Continuity

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

        Fig 4: Identifying Connector Terminals Of Front Seat Inner Belt Assembly LH
        G03373030Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. When releasing the seat belt (Buckle switch is OFF).
      1. Inspect the continuity and resistance between the terminals.

        Standard: 

        TESTER CONNECTION AND SPECIFIED CONDITION CHART

        Tester connection Specified condition
        1 <=> 6 No continuity Ω
        1 <=> 4 Continuity
        2 <=> 5 Continuity

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

        Fig 5: Identifying Connector Terminals Of Front Seat Inner Belt Assembly LH
        G03373031Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Release the between terminals 1 and 3 of the occupation sensor connector.
      Fig 6: Identifying Connector Terminals Of Front Seat Inner Belt Assy RH
      G03373032Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. When fastening the seat belt (Buckle switch is ON).
      1. Inspect the continuity and resistance between the terminals.

        Standard: 

        TESTER CONNECTION AND SPECIFIED CONDITION CHART

        Tester connection Specified condition
        1 <=> 6 Continuity Ω
        1 <=> 4 No continuity
        2 <=> 5 No continuity

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

        Fig 7: Identifying connector terminals of Front Seat Inner Belt Assembly LH
        G03373033Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. When releasing the seat belt (Buckle switch is OFF).
      1. Inspect the continuity and resistance between the terminals.

        Standard: 

        TESTER CONNECTION AND SPECIFIED CONDITION CHART

        Tester connection Specified condition
        1 <=> 6 No continuity Ω
        1 <=> 4 Continuity
        2 <=> 5 No continuity

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

        Fig 8: Identifying Connector Terminals Of Front Seat Inner Belt Assembly LH
        G03373034Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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