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Terminals Of Ecu

  1. CHECK OCCUPANT CLASSIFICATION ECU 
    Fig 1: Identifying Occupant Classification ECU Connector Terminals
    GTY155796Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    T16-5 (GND) - Body ground W-B - Body ground Occupant classification ECU ground line Always Below 1 Ω
    T16-6 (PS) - T16-15 (GPS) LG - W Pressure sensor signal line Engine switch on (IG) Below 1 to 5 V
    T16-7 (VPS) - T16-5 (GND) Y - W-B Pressure sensor +B line Engine switch on (IG) 4.75 to 5.25 V
    T16-8 (GBT) - T16-5 (GND) G - W-B Seat belt tension sensor ground line Always Below 1 V
    T16-9 (IG) - T16-5 (GND) B - W-B Occupant classification ECU +B line Engine switch on (IG) 11 to 14 V
    T16-10 (DIA) - T16-5 (GND) W - W-B Diagnosis (DLC3) Engine switch on (IG) Pulse generation
    T16-11 (FSR+) - T16-12 (FSR-) W - B Center airbag sensor assembly communication line Engine switch on (IG) Pulse generation
    T16-12 (FSR-) - T16-5 (GND) B - W-B Center airbag sensor assembly communication ground line Always Below 1 Ω
    T16-13 (BSW) - T16-14 (BGND) B - GR Passenger side buckle switch line Engine switch on (IG) Low: 4 to 7 mA
    Hi: 12 to 18 mA
    T16-14 (BGND) - T16-5 (GND) GR - W-B Passenger side buckle switch ground line Always Below 1 Ω
    T16-15 (GPS) - T16-5 (GND) W - W-B Pressure sensor ground line Always Below 1 Ω
    T16-16 (BT) - T16-5 (GND) R - W-B Seat belt tension sensor signal line Engine switch on (IG) Below 1 to 5 V
    T16-17 (VBT) - T16-5 (GND) P - W-B Seat belt tension sensor +B line Engine switch on (IG) 4.75 to 5.25 V