POWER DOOR LOCK CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK DOOR CONTROL WITH RECEIVER ECU ASSEMBLY

    A0137DKE01

    1. Disconnect the C25 door control with receiver ECU connector.

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

      Standard:
      Terminal No. Wiring Color Terminal Description Condition Specified Condition
      C25-1 (B) - Body ground P - Body ground +B power supply Always 10 to 14V
      C25-7 (IG) - Body ground P - Body ground Ignition power supply Ignition Switch OFF Below 1V
      C25-7 (IG) - Body ground P - Body ground Ignition power supply Ignition Switch ON 10 to 14V
      C25-8 (L1) - Body ground BR - Body ground Driver side door lock control input Door lock control switch (driver side door lock knob or key cylinder) LOCK Below 1Ω
      C25-8 (L1) - Body ground BR - Body ground Driver side door lock control input Door lock control switch (driver side door lock knob or key cylinder) UNLOCK 10 KΩ or higher
      C25-9 (UL1) - Body ground G - Body ground Driver side door lock control input Door lock control switch (driver side door lock knob or key cylinder) UNLOCK Below 1Ω
      C25-9 (UL1) - Body ground G - Body ground Driver side door lock control input Door lock control switch (driver side door lock knob or key cylinder) LOCK 10 KΩ or higher
      C25-4 (E) - Body ground W-B - Body ground Ground Always Below 1Ω

      If the result is not as specified, there may be a malfunction of the wire harness.

    3. Reconnect the door control with receiver ECU connector.

    4. Measure the voltage.

      Standard:
      Terminal No. Wiring Color Terminal Description Condition Specified Condition
      C25-2 (ACT+) - Body ground L - Body ground All door lock motor LOCK drive output Door lock control switch (driver side door lock knob or key cylinder) LOCK 10 to 14V
      C25-2 (ACT+) - Body ground L - Body ground All door lock motor LOCK drive output Door lock control switch (driver side door lock knob or key cylinder) UNLOCK Below 1V
      C25-6 (ACT-) - Body ground B - Body ground All door lock motor UNLOCK drive output Door lock control switch (driver side door lock knob or key cylinder) LOCK Below 1V
      C25-6 (ACT-) - Body ground B - Body ground All door lock motor UNLOCK drive output Door lock control switch (driver side door lock knob or key cylinder) UNLOCK 10 to 14V

      If the result is not as specified, there may be a malfunction of the door control with receiver ECU.