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Terminals Of Ecu

Fig 1: Identifying E39 ECU Connector Terminals
G06010308Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU) 
    STEERING LOCK ACTUATOR ASSEMBLY CONNECTOR TERMINALS REFERENCE CHART

    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 BR - Body ground* 1
    W-B - Body ground*2    		 Signal ground Always Below 1 V
    E39-3 (IGE) - E39-1 (GND) P - W-B*1
    LG - W-B*2    		 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) G - BR*1
    BR - W-B*2    		 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 - BR*1
    V - W-B*2    		 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
    HINT:

    *1: TMC made

    *2: NUMMI, TMMC made
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