ENGINE IMMOBILISER SYSTEM TERMINALS OF ECU


  1. CHECK TRANSPONDER KEY COIL

    A0138LAE01

    1. Disconnect the C31 transponder key coil connector.

    2. Measure the resistance of the component side connector.

      Standard Resistance:
      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      AN1(C31-1) - AN2(C31-2) L - LG Transponder key coil Always Below 1 Ω

      If the result is not as specified, there may be a malfunction in the transponder key coil.

  2. CHECK TRANSPONDER KEY ECU ASSEMBLY

    A0137E7E01

    1. Disconnect the C30 transponder key ECU connector.

    2. Measure the resistance and voltage of the wire harness side connector.

      Standard:
      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      IG(C30-2) - GND(C30-16) B - W-B Ignition switch Ignition switch OFF to ON 0 V → 10 to 14 V
      +B(C30-1) - GND(C30-16) G - W-B Power source Always 10 to 15 V
      GND(C30-16) - Body ground W-B - Body ground Ground Always Below 1 Ω