POWER DOOR LOCK CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (NETWORK GATEWAY ECU)

    A004JW8E05
    Text in Illustration
    *1 Instrument Panel Junction Block Assembly *2 Main Body ECU (Network Gateway ECU)

    1. Remove the main body ECU (network gateway ECU) from the instrument panel junction block assembly.

    2. Disconnect the D5, D6 and A73 main body ECU (network gateway ECU) connectors.

    3. Measure the resistance and voltage between each terminal of the wire harness side connectors and body ground.

      Terminal No. Wiring Color Terminal Description Condition Specified Condition
      MB-1 (BECU) - Body ground None - Body ground Battery power supply Always 11 to 14 V
      MB-8 (IG) - Body ground None - Body ground Ignition switch power supply Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      MB-9 (ACC) - Body ground None - Body ground ACC power supply Ignition switch ACC 11 to 14 V
      Ignition switch off Below 1 V
      MB-11 (GND) - Body ground None - Body ground Ground Always Below 1 Ω
      MB-32 (BMPX) - Body ground None - Body ground Battery power supply Always 11 to 14 V
      D5-22 (KSW) - Body ground* BR - Body ground Unlock warning switch input No key in ignition key cylinder (off) Below 1 V
      Key inserted ignition key cylinder (on) 11 to 14 V
      D6-1 (GND) - Body ground B - Body ground Ground Always Below 1 Ω
      A73-4 (GND) - Body ground B-Y - Body ground Ground Always Below 1 Ω

      • *: w/o Entry and Start System

    4. Reconnect the D5, D6 and A73 main body ECU (network gateway ECU) connectors.

    5. Install the main body ECU (network gateway ECU) to the instrument panel junction block assembly.

    6. Measure the voltage and resistance, check for pulse according to the valve(s) in the table below.

      Terminal No. Wiring Color Terminal Description Condition Specified Condition
      D5-11 (L2) - Body ground*1 Y - Body ground Driver side door lock and unlock switch input Driver side door key cylinder in lock position Below 1 V
      Driver side door key cylinder in neutral position Pulse generation
      D5-12 (UL2) - Body ground*1 GR - Body ground Driver side door lock and unlock switch input Driver side door key cylinder in unlock position Below 1 V
      Driver side door key cylinder in neutral position Pulse generation
      D5-22 (ACC) - Body ground*2 W - Body ground ACC power supply Ignition switch ACC Below 1 V
      Ignition switch off 11 to 14 V
      3A-28 - Body ground Y - Body ground Driver side door courtesy light switch input Driver side door open Below 1 V
      Driver side door closed 11 to 14 V
      3B-13 - Body ground L - Body ground Passenger side door courtesy light switch input Passenger side door open Below 1 V
      Passenger side door closed 11 to 14 V
      3B-2 - Body ground Y - Body ground Door lock motor lock drive output (for driver side) Door control switch not pushed Below 1 V
      Lock side of door control switch pushed 11 to 14 V
      3B-3 - Body ground L - Body ground Door lock motor lock drive output (for passenger side) Door control switch not pushed Below 1 V
      Lock side of door control switch pushed 11 to 14 V
      3B-1 - Body ground*3, *4 R-G - Body ground Door lock motor unlock drive output (for driver side) Door control switch not pushed Below 1 V
      Unlock side of door control switch pushed 11 to 14 V
      3D-11 - Body ground*5, *6 R-G - Body ground Door lock motor unlock drive output (for driver side) Door control switch not pushed Below 1 V
      Unlock side of door control switch pushed 11 to 14 V
      3A-51 - Body ground G-Y - Body ground Driver side door control switch input Door control switch not pushed Pulse generation
      Lock side of driver side door control switch pushed Below 1 V
      3A-30 - Body ground O-G - Body ground Driver side door control switch input Door control switch not pushed Pulse generation
      Unlock side of driver side door control switch pushed Below 1 V
      3A-41 - Body ground*5 LG - Body ground Passenger side door control switch input Door control switch not pushed Pulse generation
      Lock side of passenger side door control switch pushed Below 1 V
      3B-20 - Body ground*5 W-R - Body ground Passenger side door control switch input Door control switch not pushed Pulse generation
      Unlock side of passenger side door control switch pushed Below 1 V
      D6-11 (LSFD) - Body ground*7 W - Body ground Driver side door lock position switch input Driver side door unlocked Below 1 V
      Driver side door locked Pulse generation
      D6-12 (LSFP) - Body ground*7 SB - Body ground Passenger side door lock position switch input Passenger side door unlocked Below 1 V
      Passenger side door locked Pulse generation
      3D-2 - Body ground*6 R - Body ground Driver side door double lock motor set off output Door lock set → unset Below 1 V → 11 to 14 V → Below 1 V
      3D-3 - Body ground*6 Y - Body ground Passenger side door double lock motor set off output Door lock set → unset Below 1 V → 11 to 14 V → Below 1 V
      3D-14 - Body ground*6 BR - Body ground Driver side door double lock motor set on output Door lock unset → set Below 1 V → 11 to 14 V → Below 1 V
      3D-15 - Body ground*6 P - Body ground Passenger side door double lock motor set on output Door lock unset → set Below 1 V → 11 to 14 V → Below 1 V
      3B-4 - Body ground L-W - Body ground Door lock motor unlock drive output (for passenger side) Door control switch not pushed Below 1 V
      Unlock side of door control switch pushed 11 to 14 V
      3D-26 - Body ground SB - Body ground Luggage compartment door courtesy light switch input Luggage compartment door open Below 1 V
      Luggage compartment door closed 11 to 14 V

      • *1: w/ Key-linked Switch

      • *2: w/ Entry and Start System

      • *3: w/o Passenger Side Door Control Switch

      • *4: w/o Double Locking System

      • *5: w/ Passenger Side Door Control Switch

      • *6: w/ Double Locking System

      • *7: w/ Entry and Start System