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Home >> Lexus >> 2003 >> ES 300 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Combination Meter - Diagnosis >> Seat Belt Warning Lamp For Front Passenger's Seat Does Not Flash >> Inspection Procedure

Inspection Procedure

  1. CHECK PASSENGER SEAT BELT WARNING LIGHT 
    1. Check passenger seat belt warning operation.
      1. Remove the A/C control assembly with connector still connected.
      2. Ground the terminal A14-16 (PBEW) of A/C control assembly.
      3. Check that the passenger seat belt warning light lights up.

        OK: Warning light lights up. 

    1. NG: CHECK AND REPLACE AIR CONDITIONING PANEL SUB-ASSY 
      Fig 1: Identifying A/C Control Assembly Terminal A14-16 (PBEW)
      G03372833Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. OK: Go to next step. 
  2. INSPECT FRONT SEAT INNER BELT ASSY RH 
    1. Check continuity.
      1. Short the terminal between terminals 1 and 3 of occupant detection sensor connector.
      2. Check the continuity in between terminals 1 and 2 of front seat inner belt assy RH.

        OK: 

        FRONT SEAT INNER BELT ASSY RH TERMINALS CONTINUITY

        Condition Continuity
        Seat belt is fastened No continuity
        Seat belt is unfastened Continuity
    1. NG: REPLACE FRONT SEAT INNER BELT ASSY RH 
      Fig 2: Identifying Front Seat Inner Belt Assy RH
      G03372834Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. OK: REPAIR OR REPLACE HARNESS OR CONNECTOR 
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