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Terminals Of Ecu [04/2013 - ]

  1. OCCUPANT DETECTION ECU 
    GTY468651Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    a14-1 (+B) - a14-3 (GND) W - W-B Battery Always 11 to 14 V
    a14-2 (DIA) GR Diagnosis (DLC3) -* -*
    a14-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    a14-4 (FSR-) - a14-3 (GND) LG - W-B Airbag sensor assembly communication line Always Below 1 V
    a14-5 (BGND) - a14-3 (GND) P - W-B Passenger side buckle switch ground line Always Below 1 V
    a14-6 (IG2) - a14-3 (GND) B - W-B Power source Engine switch on (IG) 11 to 14 V
    a14-7 (FSR+) - a14-4 (FSR-) L - LG Airbag sensor assembly communication line Engine switch on (IG) Pulse generation
    a14-8 (BSW) - a14-5 (BGND) G - P Passenger side buckle switch line Always Pulse generation
    a13-1 (SVC1) - a13-5 (SGD1) R - G Front occupant classification sensor LH power supply line Engine switch on (IG) 4.9 to 5.1 V
    a13-2 (SVC3) - a13-6 (SGD3) GR - W Rear occupant classification sensor LH power supply line Engine switch on (IG) 4.9 to 5.1 V
    a13-3 (SIG1) - a13-5 (SGD1) P - G Front occupant classification sensor LH signal line Engine switch on (IG) Pulse generation
    a13-4 (SIG3) - a13-6 (SGD3) SB - W Rear occupant classification sensor LH signal line Engine switch on (IG) Pulse generation
    a13-5 (SGD1) - a14-3 (GND) G - W-B Front occupant classification sensor LH ground line Always Below 1 V
    a13-6 (SGD3) - a14-3 (GND) W - W-B Rear occupant classification sensor LH ground line Always Below 1 V

    HINT: 

    *: As this is a line that is connected to other systems, voltage changes according to the systems that are connected.