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Terminals Of Ecu [08/2014 - ]

  1. CHECK STEERING CONTROL ECU 

    HINT: 

    Inspect the connectors from the back side while they are connected.

    Fig 1: Check Steering Control ECU Connector Terminal Identification
    GTY372622Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    E90-3 (IG) - E90-7 (PGND) G - W-B Power supply (ECU-IG No. 4 fuse) Engine switch on (IG) 11 to 14 V
    E90-7 (PGND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    E90-8 (PIG) - E90-7 (PGND) B - W-B Power supply (VGRS fuse) Always 11 to 14 V
    E90-10 (+BI) - E90-7 (PGND) R - W-B Power supply (ECU-B1 fuse) Always 11 to 14 V
    E91-1 (BMV) - E90-7 (PGND) W - W-B Steering actuator motor signal (V phase) Engine running Sine wave
    E91-2 (BMU) - E90-7 (PGND) B - W-B Steering actuator motor signal (U phase) Engine running Sine wave
    E91-3 (BMW) - E90-7 (PGND) R - W-B Steering actuator motor signal (W phase) Engine running Sine wave
    E91-6 (SG) - E91-8 (PGD2) BR - W-B Steering actuator motor signal shielded ground Always Below 1 Ω
    E91-8 (PGD2) - Body ground W-B - Body ground Steering control ECU ground Always Below 1 Ω
    E92-1 (+BO) - E90-7 (PGND) R - W-B Steering angle sensor power supply line Always 11 to 14 V
    E92-3 (LV) - E90-7 (PGND) B - W-B Power source for steering actuator lock Engine switch on (IG) 11 to 14 V
    E92-4 (S1) - E90-7 (PGND) R - W-B Steering actuator motor rotation angle sensor signal Engine switch on (IG) Sine wave
    E92-6 (RV) - E90-7 (PGND) W- W-B Steering actuator resolver excitation output voltage Engine switch on (IG) Sine wave
    E92-7 (SIL) - E90-7 (PGND) R - W-B Diagnostic communication signal Engine switch on (IG) Pulse generation
    E92-9 (CANH) - E92-20 (CANL) LG - L CAN communication Engine switch on (IG) Pulse generation
    E92-10 (SS1-) - E90-7 (PGND) GR - W-B Steering angle sensor signal Engine running and steering wheel turned Pulse generation
    E92-12 (LG) - E90-7 (PGND) Y - W-B Steering actuator lock ground Engine running Pulse generation
    E92-14 (S2) - E90-7 (PGND) L - W-B Steering actuator motor rotation angle sensor signal Engine switch on (IG) Sine wave
    E92-15 (RG) - E90-7 (PGND) G - W-B Steering actuator resolver common ground Always Below 1 Ω
    E92-16 (SG2+) - E90-7 (PGND) Shielded - W-B Shielded ground wire for steering actuator motor rotation angle sensor signal wire and control signal wire Engine switch on (IG) Pulse generation
    E92-19 (SS1+) - E90-7 (PGND) L - W-B Steering angle sensor signal Engine running and steering wheel turned 3 to 4 V
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