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Home >> Lexus >> 2009 >> GX 470 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge (Diagnostics - Introduction) >> Meter / Gauge System >> Driver Side Seat Belt Warning Light Does Not Operate >> Procedure

Driver Side Seat Belt Warning Light Does Not Operate: Procedure

  1. INSPECT COMBINATION METER ASSEMBLY 
    1. Disconnect the C11 connector.
      Fig 1: Identifying C11 Connector Terminals
      GTY128903Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      C11-17 (D SEAT BELT) - Body ground Seat belt is unfastened Below 1 Ω
      C11-17 (D SEAT BELT) - Body ground Seat belt is fastened 10 kΩ or higher

    NG → See step   2 

    OK → REPLACE COMBINATION METER ASSEMBLY 

  2. INSPECT FRONT SEAT INNER BELT ASSEMBLY LH 
    1. Disconnect the B14 connector.
      Fig 2: Identifying B14 Front Seat Inner Belt Assembly Connector Terminals
      GTY156327Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      B14-3 - B14-4 Seat belt is unfastened Below 1 Ω
      B14-3 - B14-4 Seat belt is fastened 10 kΩ or higher

    NG → REPLACE FRONT SEAT INNER BELT ASSEMBLY LH 

    OK → REPAIR OR REPLACE HARNESS OR CONNECTOR