SEAT BELT WARNING SYSTEM TERMINALS OF ECU


  1. CHECK COMBINATION METER ASSEMBLY

    B000WNVN30

    1. Disconnect the P25 combination meter assembly connector.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      P25-6 (RLSB) - Body ground LG - Body ground Rear LH seat belt buckle switch signal Rear LH seat belt fastened 10 kΩ or higher
      Rear LH seat belt unfastened Below 1 Ω
      P25-7 (PODS) - Body ground V - Body ground Occupant detection sensor signal Front passenger seat occupied Below 100 Ω
      Front passenger seat not occupied 1 MΩ or higher
      P25-10 (RRSB) - Body ground SB - Body ground Rear RH seat belt buckle switch signal Rear RH seat belt fastened 10 kΩ or higher
      Rear RH seat belt unfastened Below 1 Ω
      P25-21 (IG+) - Body ground G - Body ground Ignition power supply Engine switch off Below 1 V
      Engine switch on (IG) 11 to 14 V
      P25-22 (B) - Body ground V - Body ground Battery power supply Always 11 to 14 V
      P25-31 (ES) - Body ground W-B - Body ground Ground Always Below 1 Ω
      P25-35 (RLBT) - Body ground W - Body ground Rear seat belt LH warning light signal Rear seat belt LH warning light off 11 to 14 V
      Rear seat belt LH warning light on Below 1 V
      P25-37 (RRBT) - Body ground P - Body ground Rear seat belt RH warning light signal Rear seat belt RH warning light off 11 to 14 V
      Rear seat belt RH warning light on Below 1 V

  2. CHECK AIRBAG SENSOR ASSEMBLY

    B000WLUE06
    Terminal No. Terminal Symbol Destination
    X31-27 LBE- Front seat inner belt assembly LH
    X31-28 LBE+ Front seat inner belt assembly LH
    X59-29 RBE+ Front seat inner belt assembly RH
    X59-30 RBE- Front seat inner belt assembly RH