SEAT BELT WARNING SYSTEM TERMINALS OF ECU


  1. CHECK COMBINATION METER ASSEMBLY

    A01XB1NE02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    E7-17 (B) - Body ground R - Body ground Combination meter +B line Always 11 to 14 V
    E7-18 (IG+) - Body ground B - Body ground Combination meter IG line Ignition switch ON 11 to 14 V
    E7-15 (ET) - Body ground BR - Body ground Ground Always Below 1 Ω
    E7-22 (WRNP) - Body ground* LG - Body ground Front passenger seat belt signal Ignition switch ON, front passenger seat is occupied, seat belt is fastened Below 1 V
    Ignition switch ON, front passenger seat is occupied, seat belt is unfastened 11 to 14 V

    • *: w/ Airbag System

  2. CHECK MULTI-DISPLAY ASSEMBLY (w/ Airbag System [w/ Navigation System])

    A01X96ME02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    F79-13 (GND1) - Body ground BR - Body ground Ground Always Below 1 Ω
    F79-12 (+B2) - Body ground R - Body ground Display navigation module display +B line Always 11 to 14 V
    F79-24 (ACC) - Body ground GR - Body ground Display navigation module display ACC line Ignition switch ACC 11 to 14 V
    F79-23 (IG) - Body ground G - Body ground Display navigation module display IG line Ignition switch ON 11 to 14 V
    F79-9 (PBEW) - Body ground Y - Body ground Front passenger seat belt warning signal Ignition switch ON, front passenger seat is occupied, seat belt is fastened Below 1 V
    Ignition switch ON, front passenger seat is occupied, seat belt is unfastened 11 to 14 V

  3. CHECK CLOCK ASSEMBLY (w/ Airbag System [w/o Navigation System])

    A01X3TJE02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    g1-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
    g1-12 (B) - Body ground R - Body ground Clock +B line Always 11 to 14 V
    g1-10 (IG+) - Body ground G - Body ground Clock ACC line Ignition switch ACC 11 to 14 V
    g1-11 (ACC) - Body ground GR - Body ground Clock IG line Ignition switch ON 11 to 14 V
    g1-8 (LAPL) - Body ground Y - Body ground Passenger seat belt warning signal Ignition switch ON, passenger seat is occupied, seat belt is fastened Below 1 V
    Ignition switch ON, passenger seat is occupied, seat belt is unfastened 11 to 14 V

  4. CHECK CENTER AIRBAG SENSOR ASSEMBLY (w/ Airbag System [w/ Side Airbag])

    A01X5FSE02
    Terminal No. Symbol Destination
    K27-10*1 LBE+ Front seat inner belt assembly LH (Seat belt buckle switch LH)
    K27-18*1 LBE- Front seat inner belt assembly LH (Seat belt buckle switch LH)
    L27-15*2 RBE+ Front seat inner belt assembly RH (Seat belt buckle switch RH)
    L27-23*2 RBE- Front seat inner belt assembly RH (Seat belt buckle switch RH)

    • *1: for LHD

    • *2: for RHD

  5. CHECK CENTER AIRBAG SENSOR ASSEMBLY (w/ Airbag System [w/o Side Airbag])

    A01X0IKE02
    Terminal No. Symbol Destination
    K32-11*1 LBE+ Front seat inner belt assembly LH (Seat belt buckle switch LH)
    K32-12*1 LBE- Front seat inner belt assembly LH (Seat belt buckle switch LH)
    L38-15*2 RBE+ Front seat inner belt assembly RH (Seat belt buckle switch RH)
    L38-14*2 RBE- Front seat inner belt assembly RH (Seat belt buckle switch RH)

    • *1: for LHD

    • *2: for RHD

  6. CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH) (w/o Airbag System)

    A01X243E02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    2B-20 (BATB) - Body ground L - Body ground Battery power supply Always 11 to 14 V
    2A-1 (ACC) - Body ground B - Body ground ACC power supply Ignition switch ACC 11 to 14 V
    Ignition switch off Below 1 V
    2D-62 (GND2*1) - Body ground W-B - Body ground Ground Always Below 1 Ω
    2D-62 (GND1*2) - Body ground W-B - Body ground Ground Always Below 1 Ω
    E1-7 (DBKL) - Body ground B - Body ground Driver seat belt signal Ignition switch ON, driver side seat belt is fastened Below 1 V
    Ignition switch ON, driver side seat belt is unfastened 11 to 14 V

    • *1: w/ Entry and Start System

    • *2: w/o Entry and Start System