BACK DOOR CLOSER SYSTEM TERMINALS OF ECU


  1. CHECK BACK DOOR CLOSER RELAY

    A003BKLE01

    1. Disconnect the a8 back door closer relay connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      a8-7 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      a8-5 (L) - Body ground W - Body ground Battery power supply Always 11 to 14 V

    3. Reconnect the a8 back door closer relay connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      a8-3 (P/W) - a8-7 (E) W - W-B Back door lock assembly (half latch switch) signal circuit Back door open → back door ajar → back door fully closed Below 1 V → 11 to 14 V → 11 to 14 V
      a8-9 (SIG) - a8-7 (E) V - W-B Back door lock assembly (latch switch) signal circuit Back door open → back door ajar → back door fully closed Below 1 V → 11 to 14 V → Below 1 V
      a8-2 (UL1) - a8-7 (E) L - W-B Back door lock assembly (back door lock motor) circuit Back door open → back door closer motor assembly normal operation → back door closer motor assembly return operation → back door closer motor assembly operation stop Below 1 V → Below 1 V → 11 to 14 V → Below 1 V → Below 1 V
      a8-1 (UL2) - a8-7 (E) R - W-B Back door lock assembly (back door lock motor) circuit Back door open → back door closer motor assembly normal operation → back door closer motor assembly return operation → back door closer motor assembly operation stop Below 1 V → Below 1 V → Below 1 V → 11 to 14 V → Below 1 V
      a8-10 (LSWD) - a8-7 (E) GR - W-B Back door lock assembly (initial position switch) signal circuit Back door open → back door closer motor assembly operating → back door fully closed 11 to 14 V → Below 1 V → 11 to 14 V