OCCUPANT CLASSIFICATION SYSTEM TERMINALS OF ECU


  1. OCCUPANT CLASSIFICATION ECU

    A01EIQIE19
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    S12-1 (+B) - S12-3 (GND) GR - W-B Battery Always 10 to 14 V
    S12-2 (DIA) - S12-3 (GND) R - W-B Diagnosis (DLC3) Ignition switch ON Pulse generation
    S12-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    S12-4 (FSR-) - S12-3 (GND) B - W-B Center airbag sensor assembly communication line (-) Always Below 1 V
    S12-5 (BGND) - S12-3 (GND) Y - W-B Passenger side buckle switch ground line Always Below 1 V
    S12-7 (IG) - S12-3 (GND) V - W-B Power source (ECU-B fuse) Ignition switch ON 10 to 14 V
    S12-8 (FSR+) - S12-4 (FSR-) W - B Center airbag sensor assembly communication line Ignition switch ON Pulse generation
    S12-9 (BSW) - S12-5 (BGND) L - Y Passenger side buckle switch line Always 4 to 14 V
    S13-1 (SGD1) - S12-3 (GND) R - W-B Front occupant classification sensor LH ground line Always Below 1 V
    S13-2 (SGD2) - S12-3 (GND) Y - W-B Front occupant classification sensor RH ground line Always Below 1 V
    S13-3 (SGD3) - S12-3 (GND) BR - W-B Rear occupant classification sensor LH ground line Always Below 1 V
    S13-4 (SGD4) - S12-3 (GND) LG - W-B Rear occupant classification sensor RH ground line Always Below 1 V
    S13-5 (SVC3) - S13-3 (SGD3) G - BR Rear occupant classification sensor LH power supply line Ignition switch ON, a load applied to rear occupant classification sensor LH 4.9 to 5.1 V
    S13-6 (SVC4) - S13-4 (SGD4) GR - LG Rear occupant classification sensor RH power supply line Ignition switch ON, a load applied to rear occupant classification sensor RH 4.9 to 5.1 V
    S13-7 (SIG1) - S13-1 (SGD1) P - R Front occupant classification sensor LH signal line Ignition switch ON, a load applied to front occupant classification sensor LH 0 to 5.1 V
    S13-8 (SIG2) - S13-2 (SGD2) GR - Y Front occupant classification sensor RH signal line Ignition switch ON, a load applied to front occupant classification sensor RH 0 to 5.1 V
    S13-9 (SIG3) - S13-3 (SGD3) L - BR Rear occupant classification sensor LH signal line Ignition switch ON, a load applied to rear occupant classification sensor LH 0 to 5.1 V
    S13-10 (SIG4) - S13-4 (SGD4) SB - LG Rear occupant classification sensor RH signal line Ignition switch ON, a load applied to rear occupant classification sensor RH 0 to 5.1 V
    S13-11 (SVC1) - S13-1 (SGD1) Y - R Front occupant classification sensor LH power supply line Ignition switch ON, a load applied to front occupant classification sensor LH 4.9 to 5.1 V
    S13-12 (SVC2) - S13-2 (SGD2) V - Y Front occupant classification sensor RH power supply line Ignition switch ON, a load applied to front occupant classification sensor RH 4.9 to 5.1 V