WIRELESS DOOR LOCK CONTROL SYSTEM(w/o Entry and Start 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. (Symbol) 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

    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. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      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
      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
      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*1, *2 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
      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
      A73-1 (BZR) - Body ground*3 V - Body ground Wireless door lock buzzer signal Wireless door lock buzzer off Below 1 V
      Wireless door lock buzzer on Pulse generation
      D6-6 (PRG) - Body ground R - Body ground Signal output to door control receiver Key inserted in ignition key cylinder → Key pulled out of ignition key cylinder 11 to 14 V → Pulse generation → 11 to 14 V
      D6-7 (RDA) - Body ground V - Body ground Signal input from door control receiver Ignition switch off, all doors closed and transmitter switch not pressed 11 to 14 V
      Ignition switch off, all doors closed and transmitter switch pressed Pulse generation

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

      • *2: w/o Double Locking System

      • *3: w/ Wireless Door Lock Buzzer Answer-back Function

  2. CHECK DOOR CONTROL RECEIVER

    A004JWUE02

    1. Disconnect the H27 door control receiver 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
      H27-5 (+B) - Body ground Y - Body ground Battery power supply Always 11 to 14 V
      H27-1 (GND) - Body ground B - Body ground Ground Always Below 1 Ω

    3. Reconnect the H27 door control receiver connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H27-3 (PRG) - Body ground P - Body ground Signal input from main body ECU (network gateway ECU) Key inserted in ignition key cylinder → Key pulled out of ignition key cylinder 11 to 14 V → Pulse generation → 11 to 14 V
      H27-2 (RDA) - Body ground R - Body ground Signal output to main body ECU (network gateway ECU) Ignition switch off, all doors closed and door control transmitter switch not pressed 11 to 14 V
      Ignition switch off, all doors closed and door control transmitter switch pressed Pulse generation