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Terminals Of Ecu

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  1. OCCUPANT CLASSIFICATION ECU 
    Fig 1: Identifying Occupant Classification ECU R2 Connector Terminal Identification
    GTY183762Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    R2-3 (GSP) - R2-5 (GND) Y - W-B
    *1    		 Seat position sensor (for front passenger side) ground line Always Below 1 Ω
    BE - W-B
    *2
    R2-4 (SP) - R2-5 (GND) B - W-B
    *1    		 Seat position sensor (for front passenger side) ground line Always Low: 5.0 to 6.9 mA
    Hi: 12 to 17 mA
    V - W-B
    *2
    R2-5 (GND) - Body ground W-B - Body ground Occupant classification ECU ground line Always Below 1 V
    R2-6 (PS) - R2-15 (GPS) R - Y
    *1    		 Pressure sensor signal line Ignition switch ON Below 1 V
    W - GR
    *2
    R2-7 (VPS) - R2-5 (GND) W - W-B
    *1    		 Pressure sensor +B line Ignition switch ON 4.75 to 5.25 V
    LG - W-B
    *2
    R2-8 (GBT) - R2-5 (GND) Y - W-B Belt tension sensor ground line Always Below 1 V
    R2-9 (IG) - R2-5 (GND) B - W-B Occupant classification ECU +B line Ignition switch ON 10 to 14 V
    R2-10 (DIA) - R2-5 (GND) W - W-B Diagnosis (DLC3) Ignition switch ON Pulse generation
    R2-11 (FSR+) - R2-12 (FSR-) W - B Center airbag sensor assembly communication line Ignition switch ON Pulse generation
    R2-12 (FSR-) - R2-5 (GND) B - W-B Center airbag sensor assembly communication line (-) Always Below 1 V
    R2-13 (BSW) - R2-14 (BGND) G - W-B
    *1    		 Passenger side buckle switch line Ignition switch ON Low: 4 to 7 mA
    Hi: 12 to 18 mA
    G - P
    *2
    R2-14 (BGND) - R2-5 (GND) W-B - W-B
    *1    		 Passenger side buckle switch ground line Always Below 1 V
    P - W-B
    *2
    R2-15 (GPS) - R2-5 (GND) Y - W-B
    *1    		 Pressure sensor ground line Always Below 1 V
    GR - W-B
    *2
    R2-16 (BT) - R2-5 (GND) R - W-B Belt tension sensor signal line Ignition switch ON 0 to 5 V
    R2-17 (VBT) - R2-5 (GND) G - W-B Belt tension sensor +B line Ignition switch ON 4.75 to 5.25 V

    HINT: 

    *1: TMC Made

    *2: Except TMC Made

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