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Terminals Of Ecu [08/2013 - 08/2016]

  1. OCCUPANT DETECTION ECU (for TMMMS Made) 
    Fig 1: Occupant Detection ECU (for TMMMS Made) Connector End Views
    GTY437894Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    S1-1 (SVC3) - S1-5 (SGD3) GR - W Rear occupant classification sensor LH power supply line Ignition switch ON 4.9 to 5.1 V
    S1-2 (SVC4) - S1-6 (SGD4) V - BR Rear occupant classification sensor RH power supply line Ignition switch ON 4.9 to 5.1 V
    S1-3 (SIG3) - S1-5 (SGD3) SB - W Rear occupant classification sensor LH signal line Ignition switch ON Pulse generation
    S1-4 (SIG4) - S1-6 (SGD4) B - BR Rear occupant classification sensor RH signal line Ignition switch ON Pulse generation
    S1-5 (SGD3) - S2-3 (GND) W - W-B Rear occupant classification sensor LH ground line Always Below 1 V
    S1-6 (SGD4) - S2-3 (GND) BR - W-B Rear occupant classification sensor RH ground line Always Below 1 V
    S2-1 (+B) - S2-3 (GND) W - W-B Battery Always 11 to 14 V
    S2-2 (DIA) GR Diagnosis (DLC3) -* -*
    S2-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    S2-4 (FSR-) - S2-3 (GND) LG - W-B Airbag sensor assembly communication line Always Below 1 V
    S2-5 (BGND) - S2-3 (GND) P - W-B Passenger side buckle switch ground line Always Below 1 V
    S2-6 (IG2) - S2-3 (GND) B - W-B Power source Ignition switch ON 11 to 14 V
    S2-7 (FSR+) - S2-4 (FSR-) L - LG Airbag sensor assembly communication line Ignition switch ON Pulse generation
    S2-8 (BSW) - S2-5 (BGND) G - P Passenger side buckle switch line Always Pulse generation
    • *: As this is a line that is connected to other systems, voltage changes according to the systems that are connected.
  2. OCCUPANT DETECTION ECU (for TMMC Made) 
    Fig 2: Occupant Detection ECU (for TMMC Made) Connector End Views
    GTY437895Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    S7-1 (SVC3) - S7-5 (SGD3) GR - W Rear occupant classification sensor LH power supply line Ignition switch ON 4.9 to 5.1 V
    S7-2 (SVC4) - S7-6 (SGD4) V - BR Rear occupant classification sensor RH power supply line Ignition switch ON 4.9 to 5.1 V
    S7-3 (SIG3) - S7-5 (SGD3) Y - W Rear occupant classification sensor LH signal line Ignition switch ON Pulse generation
    S7-4 (SIG4) - S7-6 (SGD4) B - BR Rear occupant classification sensor RH signal line Ignition switch ON Pulse generation
    S7-5 (SGD3) - S2-3 (GND) W - W-B Rear occupant classification sensor LH ground line Always Below 1 V
    S7-6 (SGD4) - S2-3 (GND) BR - W-B Rear occupant classification sensor RH ground line Always Below 1 V
    S2-1 (+B) - S2-3 (GND) W - W-B Battery Always 11 to 14 V
    S2-2 (DIA) GR Diagnosis (DLC3) -* -*
    S2-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    S2-4 (FSR-) - S2-3 (GND) Y - W-B Airbag sensor assembly communication line Always Below 1 V
    S2-5 (BGND) - S2-3 (GND) P - W-B Passenger side buckle switch ground line Always Below 1 V
    S2-6 (IG2) - S2-3 (GND) B - W-B Power source Ignition switch ON 11 to 14 V
    S2-7 (FSR+) - S2-4 (FSR-) L - Y Airbag sensor assembly communication line Ignition switch ON Pulse generation
    S2-8 (BSW) - S2-5 (BGND) G - P Passenger side buckle switch line Always Pulse generation
    • *: As this is a line that is connected to other systems, voltage changes according to the systems that are connected.
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