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Terminals Of Ecu

  1. CHECK OCCUPANT CLASSIFICATION ECU 
    Fig 1: Identifying Occupant Classification ECU Connector Terminal C8
    G05631391Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONNECTOR TERMINAL REFERENCE CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    c8-3 (GSP) - c8-5 (GND) G - BR Seat position sensor ground line Always Below 1 V
    c8-4 (SP) - C8-3 (GSP) R - G Seat position sensor signal line Engine switch on (IG) Low 4 7 to 7 3 mA
    Hi 114 to 17 9 mA
    c8-5 (GND) - Body ground BR - Body ground Occupant classification ECU ground line Always Below 1 Ω
    c8-6 (PS) - c8-15 (GPS) W - GR Pressure sensor signal line Engine switch on (IG) Below 1 V
    c8-7 (VPS) - c8-5 (GND) B - BR Pressure sensor +B line Engine switch on (IG) 4 75 to 5 25 V
    c8-8 (GBT) - c8-5 (GND) LG - BR Belt tension sensor ground line Always Below 1 V
    c8-9 (IG) - c8-5 (GND) B-R - BR Occupant classification ECU +B line Engine switch on (IG) 11 to 14 V
    c8-10 (DIA) - c8-5 (GND) R-G - BR Diagnosis (DLC3) Engine switch on (IG) Pulse generation
    c8-11 (FSR+) - c8-12 (FSR-) W - B Center airbag sensor communication line Engine switch on (IG) Pulse generation
    c8-12 (FSR-) - c8-5 (GND) B - BR Center airbag sensor communication line (-) Always Below 1 Ω
    c8-13 (BSW) - c8-14 (BGND) R-B - B-W Passenger side buckle switch line Engine switch on (IG) Low 4 to 7 mA
    Hi. 12 to 18 mA
    c8-14 (BGND) - c8-5 (GND) B-W - BR Passenger side buckle switch ground line Always Below 1 Ω
    c8-15 (GPS) - c8-5 (GND) GR - BR Pressure sensor ground line Always Below 1 Ω
    c8-16 (BT) - c8-5 (GND) P - BR Belt tension sensor signal line Engine switch on (IG) Below 1 V
    c8-17 (VBT) - c8-5 (GND) GR-G - BR Belt tension sensor +B line Engine switch on (IG) 4 75 to 5 25 V