WIRELESS DOOR LOCK CONTROL SYSTEM(w/o Entry and Start System) TERMINALS OF ECU


  1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU), INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

    w/o Theft Deterrent System

    A005GVXE03
    Text in Illustration
    *A for LHD *B for RHD
    *1 Instrument Panel Junction Block Assembly *2 Main Body ECU (Multiplex Network Body ECU)

    w/ Theft Deterrent System

    A005KMOE03
    Text in Illustration
    *1 Instrument Panel Junction Block Assembly *2 Main Body ECU (Multiplex Network Body ECU)

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

    2. 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-11 (GND1) - Body ground None - Body ground Ground Always Below 1 Ω
      MB-30 (BECU) - Body ground None - Body ground Battery power supply (for CPU) Always 11 to 14 V
      MB-32 (IG) - Body ground None - Body ground Ignition power supply (IG signal) Ignition switch ON 11 to 14 V
      Ignition switch OFF Below 1 V

      Tech Tips

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

    3. Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      3D-36 - Body ground L - Body ground Front door LH courtesy light switch input Front door LH open Below 1 V
      Front door LH closed Pulse generation
      F76-19 (FRCY) - Body ground Y - Body ground Front door RH courtesy light switch input Front door RH open Below 1 V
      Front door RH closed Pulse generation
      F76-6 (LRCY) - Body ground*1 G - Body ground Rear door courtesy light switch input Rear door open Below 1 V
      Rear door closed Pulse generation
      F76-6 (RCTY) - Body ground*2 V - Body ground Rear door RH courtesy light switch input Rear door RH open Below 1 V
      Rear door RH closed Pulse generation
      F76-24 (LCTY) - Body ground*2 V - Body ground Rear door LH courtesy light switch input Rear door LH open Below 1 V
      Rear door LH closed Pulse generation
      3D-35 - Body ground B - Body ground Back door courtesy light switch input Back door open Below 1 V
      Back door closed Pulse generation*1
      11 to 14 V*2
      F76-17 (KSW) - Body ground Y - Body ground Unlock warning switch input NO key in ignition key cylinder (off) 10 kΩ or higher
      Key inserted (on) Below 1 Ω
      F76-11 (L2) - Body ground B - Body ground Driver side door key-linked lock input Driver side door key cylinder in lock position Below 1 V
      Driver side door key cylinder in neutral position Pulse generation
      F76-12 (UL2) - Body ground G - Body ground Driver side door key-linked unlock input Driver side door key cylinder in unlock position Below 1 V
      Driver side door key cylinder in neutral position Pulse generation
      3B-2 - Body ground V - Body ground Door lock motor lock drive output (for front RH side) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Lock side of driver side door control switch pushed or driver side door key cylinder in lock position 11 to 14 V
      3B-1 - Body ground Y - Body ground Door lock motor lock drive output (for front LH side) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Lock side of driver side door control switch pushed or driver side door key cylinder in lock position 11 to 14 V
      3B-12 - Body ground L - Body ground Door lock motor lock drive output (for rear RH side) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Lock side of driver side door control switch pushed or driver side door key cylinder in lock position 11 to 14 V
      3D-11 - Body ground GR - Body ground Door lock motor lock drive output (for rear LH side) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Lock side of driver side door control switch pushed or driver side door key cylinder in lock position 11 to 14 V
      3D-9 - Body ground Y - Body ground Door lock motor lock drive output (for back door) Back door closed 11 to 14 V
      Back door opener switch pushed Below 1 V
      3B-3 - Body ground R - Body ground Door lock motor unlock drive output (for front RH side) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Unlock side of driver side door control switch pushed or driver side door key cylinder in unlock position 11 to 14 V
      3B-4 - Body ground L - Body ground Door lock motor unlock drive output (for front LH side) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Unlock side of driver side door control switch pushed or driver side door key cylinder in unlock position 11 to 14 V
      3D-8 - Body ground P - Body ground Door lock motor unlock drive output (for rear RH side) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Unlock side of driver side door control switch pushed or driver side door key cylinder in unlock position 11 to 14 V
      3D-7 - Body ground LG - Body ground Door lock motor unlock drive output (for rear LH side) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      Unlock side of driver side door control switch pushed or driver side door key cylinder in unlock position 11 to 14 V
      F76-18 (LSFR) - Body ground LG - Body ground Front door RH lock position switch input Front door RH unlocked Below 1 V
      Front door RH locked Pulse generation

      • *1: w/ Rear Fog Light

      • *2: w/o Rear Fog Light