OCCUPANT CLASSIFICATION SYSTEM TERMINALS OF ECU


  1. OCCUPANT DETECTION ECU (for RHD)

    A01SK9AE04
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    T10-1 (+B) - T10-3 (GND) W - W-B Battery Always 11 to 14 V
    T10-2 (DIA) - T10-3 (GND) GR - W-B Diagnosis (DLC3) Ignition switch ON Pulse generation
    T10-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    T10-4 (FSR-) - T10-3 (GND) LG - W-B Airbag sensor assembly communication line Always Below 1 V
    T10-5 (BGND) - T10-3 (GND) P - W-B Passenger side buckle switch ground line Always Below 1 V
    T10-7 (IG2) - T10-3 (GND) B - W-B Power source Ignition switch ON 11 to 14 V
    T10-8 (FSR+) - T10-4 (FSR-) L - LG Airbag sensor assembly communication line Ignition switch ON Pulse generation
    T10-9 (BSW) - T10-5 (BGND) G - P Passenger side buckle switch line Always Pulse generation
    T9-1 (SGD1) - T10-3 (GND) LG - W-B Front occupant classification sensor LH ground line Always Below 1 V
    T9-2 (SGD2) - T10-3 (GND) G - W-B Front occupant classification sensor RH ground line Always Below 1 V
    T9-3 (SGD3) - T10-3 (GND) BR - W-B Rear occupant classification sensor LH ground line Always Below 1 V
    T9-4 (SGD4) - T10-3 (GND) W - W-B Rear occupant classification sensor RH ground line Always Below 1 V
    T9-5 (SVC3) - T9-3 (SGD3) V - BR Rear occupant classification sensor LH power supply line Ignition switch ON 4.9 to 5.1 V
    T9-6 (SVC4) - T9-4 (SGD4) GR - W Rear occupant classification sensor RH power supply line Ignition switch ON 4.9 to 5.1 V
    T9-7 (SIG1) - T9-1 (SGD1) L - LG Front occupant classification sensor LH signal line Ignition switch ON, a load applied to front occupant classification sensor LH 0 to 5.1 V
    T9-8 (SIG2) - T9-2 (SGD2) P - G Front occupant classification sensor RH signal line Ignition switch ON, a load applied to front occupant classification sensor RH 0 to 5.1 V
    T9-9 (SIG3) - T9-3 (SGD3) B - 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
    T9-10 (SIG4) - T9-4 (SGD4) SB - W Rear occupant classification sensor RH signal line Ignition switch ON, a load applied to rear occupant classification sensor RH 0 to 5.1 V
    T9-11 (SVC1) - T9-1 (SGD1) W - LG Front occupant classification sensor LH power supply line Ignition switch ON 4.9 to 5.1 V
    T9-12 (SVC2) - T9-2 (SGD2) R - G Front occupant classification sensor RH power supply line Ignition switch ON 4.9 to 5.1 V

  2. OCCUPANT DETECTION ECU (for LHD)

    A01SK9AE03
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    S10-1 (+B) - S10-3 (GND) W - W-B Battery Always 11 to 14 V
    S10-2 (DIA) - S10-3 (GND) GR - W-B Diagnosis (DLC3) Ignition switch ON Pulse generation
    S10-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    S10-4 (FSR-) - S10-3 (GND) LG - W-B Airbag sensor assembly communication line Always Below 1 V
    S10-5 (BGND) - S10-3 (GND) P - W-B Passenger side buckle switch ground line Always Below 1 V
    S10-7 (IG2) - S10-3 (GND) B - W-B Power source Ignition switch ON 11 to 14 V
    S10-8 (FSR+) - S10-4 (FSR-) L - LG Airbag sensor assembly communication line Ignition switch ON Pulse generation
    S10-9 (BSW) - S10-5 (BGND) G - P Passenger side buckle switch line Always Pulse generation
    S9-1 (SGD1) - S10-3 (GND) G - W-B Front occupant classification sensor LH ground line Always Below 1 V
    S9-2 (SGD2) - S10-3 (GND) LG - W-B Front occupant classification sensor RH ground line Always Below 1 V
    S9-3 (SGD3) - S10-3 (GND) W - W-B Rear occupant classification sensor LH ground line Always Below 1 V
    S9-4 (SGD4) - S10-3 (GND) BR - W-B Rear occupant classification sensor RH ground line Always Below 1 V
    S9-5 (SVC3) - S9-3 (SGD3) GR - W Rear occupant classification sensor LH power supply line Ignition switch ON 4.9 to 5.1 V
    S9-6 (SVC4) - S9-4 (SGD4) V - BR Rear occupant classification sensor RH power supply line Ignition switch ON 4.9 to 5.1 V
    S9-7 (SIG1) - S9-1 (SGD1) P - G Front occupant classification sensor LH signal line Ignition switch ON, a load applied to front occupant classification sensor LH 0 to 5.1 V
    S9-8 (SIG2) - S9-2 (SGD2) L - LG Front occupant classification sensor RH signal line Ignition switch ON, a load applied to front occupant classification sensor RH 0 to 5.1 V
    S9-9 (SIG3) - S9-3 (SGD3) SB - W Rear occupant classification sensor LH signal line Ignition switch ON, a load applied to rear occupant classification sensor LH 0 to 5.1 V
    S9-10 (SIG4) - S9-4 (SGD4) B - BR Rear occupant classification sensor RH signal line Ignition switch ON, a load applied to rear occupant classification sensor RH 0 to 5.1 V
    S9-11 (SVC1) - S9-1 (SGD1) R - G Front occupant classification sensor LH power supply line Ignition switch ON 4.9 to 5.1 V
    S9-12 (SVC2) - S9-2 (SGD2) W - LG Front occupant classification sensor RH power supply line Ignition switch ON 4.9 to 5.1 V

  3. AIRBAG SENSOR ASSEMBLY

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