SEAT BELT WARNING SYSTEM TERMINALS OF ECU


  1. CHECK COMBINATION METER

    A0098O1E01

    1. Disconnect the G6 meter connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G6-1 (EP) - Body ground W-B - Body ground Ground Always Below 1 Ω
      G6-26 (B) - Body ground L - Body ground Combination meter B line Always 11 to 14 V
      G6-28 (IG+) - Body ground R - Body ground Combination meter IG+ line Ignition switch ON 11 to 14 V

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the G6 meter connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G6-17 (WRNP) - Body ground V - Body ground Front passenger seat belt warning signal Front passenger seat occupied, seat belt fastened 11 to 14 V
      Front passenger seat occupied, seat belt unfastened Below 1 V
      G7-15 (P/SB) - Body ground L - Body ground Front passenger seat belt signal Front passenger seat occupied, seat belt fastened 11 to 14 V
      Front passenger seat occupied, seat belt unfastened Below 1 V

      If the result is not as specified, the meter may have a malfunction.

  2. CHECK CENTER AIRBAG SENSOR

    A0097FIE15
    Terminal No. Symbol Description
    R1-11*1 DBE+ Front seat inner belt LH (Seat belt buckle switch LH)
    R1-12*1 DBE- Front seat inner belt LH (Seat belt buckle switch LH)
    Q25-11*2 DBE+ Front seat inner belt RH (Seat belt buckle switch RH)
    Q25-12*2 DBE- Front seat inner belt RH (Seat belt buckle switch RH)

    • *1: for LHD

    • *2: for RHD

    A0097FIE16
    Terminal No. Symbol Description
    R1-11*1 LBE+ Front seat inner belt LH (Seat belt buckle switch LH)
    R1-11*2, *3 RBE+ Front seat inner belt RH (Seat belt buckle switch RH)
    R1-12*1 LBE- Front seat inner belt LH (Seat belt buckle switch LH)
    R1-12*2, *3 RBE- Front seat inner belt RH (Seat belt buckle switch RH)
    Q1-14*2, *4 RBE- Front seat inner belt RH (Seat belt buckle switch RH)
    Q1-15*2, *4 RBE+ Front seat inner belt RH (Seat belt buckle switch RH)

    • *1: for LHD

    • *2: for RHD

    • *3: for 5 Door

    • *4: for 3 Door