LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 194 (Supplemental Restraint System) >> Occupant Classification System >> Terminals Of Ecu

Terminals Of Ecu

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
  1. OCCUPANT CLASSIFICATION ECU 
    Fig 1: Identifying Connector Terminals Of ECU
    G04830159Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONNECTOR TERMINAL REFERENCE

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    +B(J24-1) - GND (J24-3) V-W-B Power source (ECU-B Fuse) Always 11 to 14 V
    DIA (J24-2) - GND (J24-3) G-W-B Diagnosis (DLC3) Ignition switch on Pulse generation
    GND (J24-3) - Body ground W-B - Body ground Ground Always Below 1 Ω
    FSR- (J24-4) - GND (J24-3) Y-W-B Center airbag sensor assembly communication line (-) Always Below 1 Ω
    BGND (J24-5) - GND (J24-3) P-W-B Passenger side buckle switch ground line Always Below 1 Ω
    IG (J24-7) - GND (J24-3) O-W-B Power source (IG2 Fuse) Ignition switch on 11 to 14 V
    FSR+ (J24-8) - FSR-(J24-4) GR-Y Center airbag sensor assembly communication line Ignition switch on Pulse generation
    BSW (J24-9) - BGND (J24-5) O-P Passenger side buckle switch line Buckle switch ON
    Buckle switch OFF
    Pulse generation
    SGD1 (U1-1)-GND (J24-3) G-W-B Occupant classification sensor front LH ground line Always Below 1 Ω
    SGD2(U1-2)-GND (J24-3) O-W-B Occupant classification sensor front RH ground line Always Below 1 Ω
    SGD3(U1-3)-GND (J24-3) W-W-B Occupant classification sensor rear LH ground line Always Below 1 Ω
    SGD4(U1-4)-GND (J24-3) BR - W-B Occupant classification sensor rear RH ground line Always Below 1 Ω
    SVC1 (111-11)-SGD1 (U1-1) R-G Occupant classification sensor front LH power supply line Ignition switch on, load is applied to occupant classification sensor front LH 4.5 to 5.1 V
    SVC2(U1-12)-SGD2 (U1-2) W-O Occupant classification sensor front RH power supply line Ignition switch on, load is applied to occupant classification sensor front RH 4.5 to 5.1 V
    SVC3(U1-5)-SGD3 (U1-3) GR-W Occupant classification sensor rear LH power supply line Ignition switch on, load is applied to occupant classification sensor rear LH 4.5 to 5.1 V
    SVC4(U1-6)-SGD4 (U1-4) V-BR Occupant classification sensor rear RH power supply line Ignition switch on, load is applied to occupant classification sensor rear RH 4.5 to 5.1 V
    SIG1 (U1-7)-SGD1 (U1-1) SB-G Occupant classification sensor front LH signal line Ignition switch on, load is applied to occupant classification sensor front LH 0.2 to 4.7 V
    SIG2(U1-8)-SGD2 (U1-2) L-0 Occupant classification sensor front RH signal line Ignition switch on, load is applied to occupant classification sensor front RH 0.2 to 4.7 V
    SIG3(U1-9)-SGD3 (U1-3) Y-W Occupant classification sensor rear LH signal line Ignition switch on, load is applied to occupant classification sensor rear LH 0.2 to 4.7 V
    SIG4(U1-10)-SGD4 (U1-4) R-BR Occupant classification sensor rear RH signal line Ignition switch on, load is applied to occupant classification sensor rear RH 0.2 to 4.7 V