FixVault
Home › Scion › 2009 › xB Standard › Repair and Diagnosis › External Pages › Different car › Section 2 (Supplemental Restraint System) › Occupant Classification System › Terminals Of Ecu

Terminals Of Ecu

WARNING: This page is about a different car, the 2008 Scion xB. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK OCCUPANT CLASSIFICATION ECU 
    Fig 1: Identifying Occupant Classification ECU Connector Terminal
    G05390344Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    M2-3 (GSP) - M2-5 (GND) Y - W-B Seat position sensor (for front passenger side) ground line Always Below 1 Ω
    M2-4 (SP) - M2-3 (GSP) G - Y Seat position sensor (for front passenger side) signal line Ignition switch ON Low 5 0 to 6 9 mA Hi 12 to 17 mA
    M2-5 (GND) - Body ground W-B - Body ground Occupant classification ECU ground line Always Below 1 Ω
    M2-6 (PS) - M2-15 (GPS) R - Y Pressure sensor signal line Ignition switch ON Below 1 V
    M2-7 (VPS) - M2-5 (GND) G - W-B Pressure sensor +B line Ignition switch ON 4 75 to 5 25 V
    M2-8 (GBT) - M2-5 (GND) Y - W-B Belt tension sensor ground line Always Below 1 V
    M2-9 (IG) - M2-5 (GND) B - W-B Occupant classification ECU +B line Ignition switch ON 11 to 14 V
    M2-10 (DIA) - M2-5 (GND) W - W-B Diagnosis (DLC3) Ignition switch ON Pulse generation
    M2-11 (FSR+) - M2-12 (FSR-) W - W Center airbag sensor communication line Ignition switch ON Pulse generation
    M2-12 (FSR-) - M2-5 (GND) W - W-B Center airbag sensor communication line (-) Always Below 1 Ω
    M2-13 (BSW) - M2-14 (BGND) GR - GR Passenger side buckle switch line Ignition switch ON Low 4 to 7 mA Hi 12 to 18 mA
    M2-14 (BGND) - M2-5 (GND) GR - W-B Passenger side buckle switch ground line Always Below 1 Ω
    M2-15 (GPS) - M2-5 (GND) Y - W-B Pressure sensor ground line Always Below 1 Ω
    M2-16 (BT) - M2-5 (GND) R - W-B Belt tension sensor signal line Ignition switch ON Below 1 V
    M2-17 (VBT) - M2-5 (GND) G - W-B Belt tension sensor +B line Ignition switch ON 4 75 to 5 25 V
About FixVault