LUGGAGE COMPARTMENT DOOR OPENER SYSTEM TERMINALS OF ECU


  1. CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)

    A004RV0E03
    A004R11E02

    1. Disconnect the DB, DE, DF and D80 ECU connectors.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      DB-30 (BECU) - Body ground W - Body ground ECU power supply (from battery) Always 11 to 14 V
      DF-3 (IG) - Body ground W - Body ground IG signal circuit Ignition switch off Below 1 V
      Ignition switch ON 11 to 14 V
      DF-5 (ACC) - Body ground W - Body ground ACC signal circuit Ignition switch off Below 1 V
      Ignition switch ACC 11 to 14 V
      DE-17 (GND1) - Body ground W-B - Body ground Ground circuit Always Below 1 Ω
      D80-4 (GND2) - Body ground W-B - Body ground Ground circuit Always Below 1 Ω

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

    3. Reconnect the DB, DE, DF and D80 ECU connectors.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D79-1 (TR+) - Body ground R - Body ground Luggage compartment door lock motor drive output Back door opener switch off Below 1 V
      Back door opener switch on 11 to 14 V
      D79-12 (BDSU) - Body ground V - Body ground Back door opener switch input Back door opener switch off 11 to 14 V
      Back door opener switch on Below 1 V