POWER DOOR LOCK CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK NO. 1 INTEGRATION RELAY


    1. Disconnect the N9 and N10 No. 1 integration relay connectors.

      A01CJ8HE02

    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
      N10-8 (B) - Body ground R - Body ground Battery power supply Always 20 to 28 V
      N10-6 (+B) - Body ground G - Body ground Battery power supply Always 20 to 28 V
      N9-1 (IG) - Body ground R - Body ground Ignition power supply Ignition switch ON 20 to 28 V
      Ignition switch off Below 1 V
      N10-4 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the N9 and N10 No. 1 integration relay connectors.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      N9-2 (SL) - Body ground R - Body ground

      • Front door lock control knob LH input

      • Driver side door key-linked lock input

      • Front door lock control knob LH locked

      • Driver side door key cylinder in lock position

      		 Below 1 Ω

      • Front door lock control knob LH unlocked

      • Driver side door key cylinder in unlock position

      		 10 kΩ or higher
      N9-3 (SUL) - Body ground G - Body ground

      • Front door lock control knob LH input

      • Driver side door key-linked unlock input

      • Front door lock control knob LH unlocked

      • Driver side door key cylinder in unlock position

      		 Below 1 Ω

      • Front door lock control knob LH locked

      • Driver side door key cylinder in lock position

      		 10 kΩ or higher
      N10-3 (L) - Body ground W - Body ground Door lock motor lock drive output

      • Front door lock control knob LH unlocked

      • Driver side door key cylinder in unlock position

      		 Below 1 V

      • Front door lock control knob LH locked

      • Driver side door key cylinder in lock position

      		 20 to 28 V → Below 1 V
      N10-7 (UL) - Body ground B - Body ground Door lock motor unlock drive output

      • Front door lock control knob LH locked

      • Driver side door key cylinder in lock position

      		 Below 1 V

      • Front door lock control knob LH unlocked

      • Driver side door key cylinder in unlock position

      		 20 to 28 V → Below 1 V