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Terminals Of Ecu

WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU) 
    Fig 1: E39 Steering Lock ECU Connector Terminal Identification
    GTY177978Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    E39-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    E39-2 (SGND) - Body ground W-B - Body ground Signal ground Always Below 1 V
    E39-3 (IGE) - E39-1 (GND) LG - W-B Power source for driving motor
    • Motor is in operation
    • Motor is not in operation
    • Below 1 V
    • 11 to 14 V
    E39-4 (SLP1) - E39-2 (SGND) BR - W-B Unlock position sensor output signal
    • Steering is locked
    • Steering lock is released
    • 11 to 14 V
    • Below 1 V
    E39-5 (LIN) - E39-2 (SGND) V - W-B LIN communication bus Engine switch on (IG) Pulse generation
    E39-6 (IG2) - E39-1 (GND) B - W-B IG signal input Engine switch on (IG) 11 to 14 V
    E39-7 (B) - E39-1 (GND) L - W-B Power source Always 11 to 14 V