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Home >> Scion >> 2004 >> xB Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Combination Meter - Diagnosis >> Seat Belt Warning Lamp For Driver's Seat Does Not Operate >> Inspection Procedure

Inspection Procedure

  1. INSPECT FUSE 
    1. Inspect the ALT fuse and MAIN fuse in the FL block.

      Standard: 

      Below 1 Ω 

    2. Inspect the DOME fuse in the engine room R/B.

      Standard: 

      Below 1 Ω 

    3. Inspect the GAUGE fuse and AM1 fuse in the instrument panel junction block assy.

      Standard: 

      Below 1 Ω 

    1. NG: INSPECT FOR SHORT CIRCUIT IN HARNESS AND ALL COMPONENTS CONNECTED TO FUSE 
    2. OK: Go to next step. 
  2. INSPECT COMBINATION METER ASSY 
    1. Disconnect the combination meter connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard: 

      TESTER CONNECTION AND SPECIFIED CONDITION

      Tester connection Condition Specified condition
      C6-1 - Body ground Always 10 to 14 V
      Fig 1: Inspecting Combination Meter Assy (C6-1 - Body Ground)
      G03367997Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - COMBINATION METER ASSY) (See  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 
    2. OK: Go to next step. 
  3. INSPECT COMBINATION METER ASSY 
    1. Disconnect the combination meter connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard: 

      TESTER CONNECTION AND SPECIFIED CONDITION

      Tester connection Condition Specified condition
      C6-23 - Body ground Ignition switch OFF Below 1 V
      C6-23 - Body ground Ignition switch ON 10 to 14 V
      Fig 2: Inspecting Combination Meter Assy (Ignition Switch On And Off)
      G03367998Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Go to step   6 . 
    2. OK: Go to next step. 
  4. INSPECT FRONT SEAT INNER BELT ASSY LH 
    1. Disconnect the front seat inner belt assy LH connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard: 

      TESTER CONNECTION AND SPECIFIED CONDITION

      Tester connection Condition Specified condition
      3 - Body ground Driver side seat belt is fastened 1,200 to 1,460 Ω
      3 - Body ground Driver side seat belt is unfastened 300 to 360 Ω
      Fig 3: Inspecting Front Seat Inner Belt Assy LH
      G03367999Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE FRONT SEAT INNER BELT ASSY LH 
    2. OK: Go to next step. 
  5. CHECK HARNESS AND CONNECTOR (DRIVER SIDE SEAT BELT SIGNAL CIRCUIT) 
    1. Disconnect the combination meter connector and front seat inner belt assy connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard: 

      TESTER CONNECTION AND SPECIFIED CONDITION

      Tester connection Condition Specified condition
      C6-32 - B7-3 Always Below 1 Ω
      Fig 4: Checking Harness And Connector (Driver Side Seat Belt Signal Circuit)
      G03368000Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (See  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 
    2. OK: REPLACE COMBINATION METER ASSY (See  COMBINATION METER ASSY  ) 
  6. INSPECT IGNITION SWITCH 
    1. Disconnect the ignition switch connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard: 

      TESTER CONNECTION AND SPECIFIED CONDITION

      Tester connection Condition Specified condition
      I10-1 - I10-2 Ignition switch OFF 10 kΩ or higher
      I10-1 - I10-2 Ignition switch ON Below 1 Ω
      Fig 5: Inspecting Ignition Switch
      G03368001Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE IGNITION SWITCH 
    2. OK: Go to next step. 
  7. CHECK HARNESS AND CONNECTOR 
    1. Disconnect the ignition switch connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard: 

      TESTER CONNECTION AND SPECIFIED CONDITION

      Tester connection Condition Specified condition
      I10-1 - Body ground Always 10 to 14 V
      Fig 6: Checking Harness And Connector
      G03368002Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (IGNITION SWITCH - BATTERY) (See  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 
    2. OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (COMBINATION METER ASSY - IGNITION SWITCH) (See  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 
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