POWER DOOR LOCK CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    A0099Y4E06
    Text in Illustration
    *A for LHD *B for RHD

    1. Disconnect the main body ECU (multiplex network body ECU) Click here.

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      A-30 (BECU) - Body ground - Battery power supply Always 11 to 14 V
      A-31 (ALTB) - Body ground - Battery power supply Always 11 to 14 V
      A-32 (IG) - Body ground - Ignition switch power supply Ignition switch ON 11 to 14 V
      A-32 (IG) - Body ground - Ignition switch power supply Ignition switch off Below 1 V
      A-29 (ACC) - Body ground - ACC power supply Ignition switch ACC 11 to 14 V
      A-29 (ACC) - Body ground - ACC power supply Ignition switch off Below 1 V
      A-11 (GND1) - Body ground - Ground Always Below 1 Ω
      G63-3 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Install the main body ECU (multiplex network body ECU).

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      2I-27 (FLCY) - Body ground*1 R - Body ground Front door LH courtesy light switch input Front door LH open Below 1 V
      2I-27 (FLCY) - Body ground*1 R - Body ground Front door LH courtesy light switch input Front door LH closed 11 to 14 V
      2D-31 (FLCY) - Body ground*2 R - Body ground Front door LH courtesy light switch input Front door LH open Below 1 V
      2D-31 (FLCY) - Body ground*2 R - Body ground Front door LH courtesy light switch input Front door LH closed 11 to 14 V
      2D-15 (FRCY) - Body ground*1 B - Body ground Front door RH courtesy light switch input Front door RH open Below 1 V
      2D-15 (FRCY) - Body ground*1 B - Body ground Front door RH courtesy light switch input Front door RH closed 11 to 14 V
      2H-26 (FRCY) - Body ground*2 B - Body ground Front door RH courtesy light switch input Front door RH open Below 1 V
      2H-26 (FRCY) - Body ground*2 B - Body ground Front door RH courtesy light switch input Front door RH closed 11 to 14 V
      G65-3 (LCTY) - Body ground*3 V - Body ground Rear door LH courtesy light switch input Rear door LH open Below 1 V
      G65-3 (LCTY) - Body ground*3 V - Body ground Rear door LH courtesy light switch input Rear door LH closed 11 to 14 V
      G64-6 (RCTY) - Body ground*3 R - Body ground Rear door RH courtesy light switch input Rear door RH open Below 1 V
      G64-6 (RCTY) - Body ground*3 R - Body ground Rear door RH courtesy light switch input Rear door RH closed 11 to 14 V
      G64-19 (BCTY) - Body ground G - Body ground Back door courtesy light switch input Back door open Below 1 V
      G64-19 (BCTY) - Body ground G - Body ground Back door courtesy light switch input Ignition switch off, all doors closed and back door closed Pulse generation (See waveform 1 or 2)
      G64-11 (L2) - Body ground GR - Body ground Driver side door key-linked lock input Driver side door key cylinder in lock position Below 1 V
      G64-11 (L2) - Body ground GR - Body ground Driver side door key-linked lock input Ignition switch off, all doors closed and driver side door key cylinder in neutral position Pulse generation (See waveform 3 or 4)
      G64-24 (UL3) - Body ground LG - Body ground Driver side door key-linked unlock input Driver side door key cylinder in unlock position Below 1 V
      G64-24 (UL3) - Body ground LG - Body ground Driver side door key-linked unlock input Ignition switch off, all doors closed and driver side door key cylinder in neutral position Pulse generation (See waveform 5 or 6)
      2D-3 (ACT+) - Body ground L - Body ground Door lock motor lock drive output (all doors) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      2D-3 (ACT+) - Body ground L - Body ground Door lock motor lock drive output (all doors) Lock side of driver side door control switch pushed, or driver side door key cylinder in lock position 11 to 14 V
      2I-8 (ACT+) - Body ground*1, *3 L - Body ground Door lock motor lock drive output (all doors) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      2I-8 (ACT+) - Body ground*1, *3 L - Body ground Door lock motor lock drive output (all doors) Lock side of driver side door control switch pushed, or driver side door key cylinder in lock position 11 to 14 V
      2H-8 (ACT+) - Body ground*2, *3 L - Body ground Door lock motor lock drive output (all doors) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      2H-8 (ACT+) - Body ground*2, *3 L - Body ground Door lock motor lock drive output (all doors) Lock side of driver side door control switch pushed, or driver side door key cylinder in lock position 11 to 14 V
      2D-1 (ACTD) - Body ground G - Body ground Driver side door lock motor unlock drive output Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      2D-1 (ACTD) - Body ground G - Body ground Driver side door lock motor unlock drive output Unlock side of driver side door control switch pushed, or driver side door key cylinder in unlock position 11 to 14 V
      2D-2 (ACT-) - Body ground W - Body ground Door lock motor unlock drive output (except driver side) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      2D-2 (ACT-) - Body ground W - Body ground Door lock motor unlock drive output (except driver side) Unlock side of driver side door control switch pushed, or driver side door key cylinder in unlock position 11 to 14 V
      2I-10 (ACT-) - Body ground*1, *3 W - Body ground Door lock motor unlock drive output (except driver side) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      2I-10 (ACT-) - Body ground*1, *3 W - Body ground Door lock motor unlock drive output (except driver side) Unlock side of driver side door control switch pushed, or driver side door key cylinder in unlock position 11 to 14 V
      2H-10 (ACT-) - Body ground*1, *3 W - Body ground Door lock motor unlock drive output (except driver side) Driver side door control switch not pushed and driver side door key cylinder in neutral position Below 1 V
      2H-10 (ACT-) - Body ground*1, *3 W - Body ground Door lock motor unlock drive output (except driver side) Unlock side of driver side door control switch pushed, or driver side door key cylinder in unlock position 11 to 14 V
      G64-7 (LSFL) - Body ground G - Body ground Front door LH lock position switch input Front door LH unlocked Below 1 V
      G64-7 (LSFL) - Body ground G - Body ground Front door LH lock position switch input Ignition switch off, all doors closed and front door LH locked Pulse generation (See waveform 7 or 8)
      G64-18 (LSFR) - Body ground G - Body ground Front door RH lock position switch input Front door RH unlocked Below 1 V
      G64-18 (LSFR) - Body ground G - Body ground Front door RH lock position switch input Ignition switch off, all doors closed and front door RH locked Pulse generation (See waveform 9 or 10)
      2H-25 (LSWL) - Body ground*1, *3 B - Body ground Rear door LH lock position switch input Rear door LH unlocked Below 1 V
      2H-25 (LSWL) - Body ground*1, *3 B - Body ground Rear door LH lock position switch input Ignition switch off, all doors closed and rear door LH locked Pulse generation (See waveform 11 or 12)
      2D-16 (LSWL) - Body ground*2, *3 B - Body ground Rear door LH lock position switch input Rear door LH unlocked Below 1 V
      2D-16 (LSWL) - Body ground*2, *3 B - Body ground Rear door LH lock position switch input Ignition switch off, all doors closed and rear door LH locked Pulse generation (See waveform 13 or 14)
      G63-2 (LSWR) - Body ground*3 V - Body ground Rear door RH lock position switch input Rear door RH unlocked Below 1 V
      G63-2 (LSWR) - Body ground*3 V - Body ground Rear door RH lock position switch input Ignition switch off, all doors closed and rear door RH locked Pulse generation (See waveform 15 or 16)
      G65-13 (LSWB) - Body ground SB - Body ground Back door lock position switch input Back door lock unlocked Below 1 V
      G65-13 (LSWB) - Body ground SB - Body ground Back door lock position switch input Ignition switch off, all doors closed and back door locked Pulse generation (See waveform 17 or 18)
      2A-25 (GSW) - Body ground B - Body ground Center airbag sensor signal Ignition switch ON with the center airbag sensor assembly connector disconnected 4.5 to 5.5 V

      • *1: for LHD

      • *2: for RHD

      • *3: for 5 Door

      If the result is not as specified, the main body ECU (multiplex network body ECU) or driver side junction block assembly may have a malfunction.

    5. A0099FOE01

      Using an oscilloscope, check waveform 1.

      Waveform 1 (Reference)
      Item Content
      Terminal No. (Symbol) G64-19 (BCTY) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and back door closed
    6. A009AVHE01

      Using an oscilloscope, check waveform 2.

      Waveform 2 (Reference)
      Item Content
      Terminal No. (Symbol) G64-19 (BCTY) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and back door closed
    7. A0094G1E01

      Using an oscilloscope, check waveform 3.

      Waveform 3 (Reference)
      Item Content
      Terminal No. (Symbol) G64-11 (L2) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and front door key cylinder in neutral position
    8. A0096YWE01

      Using an oscilloscope, check waveform 4.

      Waveform 4 (Reference)
      Item Content
      Terminal No. (Symbol) G64-11 (L2) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and front door key cylinder in neutral position
    9. A0099FOE01

      Using an oscilloscope, check waveform 5.

      Waveform 5 (Reference)
      Item Content
      Terminal No. (Symbol) G64-24 (UL3) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and driver side door key cylinder in neutral position
    10. A009AVHE01

      Using an oscilloscope, check waveform 6.

      Waveform 6 (Reference)
      Item Content
      Terminal No. (Symbol) G64-24 (UL3) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and driver side door key cylinder in neutral position
    11. A0099FOE01

      Using an oscilloscope, check waveform 7.

      Waveform 7 (Reference)
      Item Content
      Terminal No. (Symbol) G64-7 (LSFL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and front door LH locked
    12. A009AVHE01

      Using an oscilloscope, check waveform 8.

      Waveform 8 (Reference)
      Item Content
      Terminal No. (Symbol) G64-7 (LSFL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and front door LH locked
    13. A0099FOE01

      Using an oscilloscope, check waveform 9.

      Waveform 9 (Reference)
      Item Content
      Terminal No. (Symbol) G64-18 (LSFR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and front door RH locked
    14. A009AVHE01

      Using an oscilloscope, check waveform 10.

      Waveform 10 (Reference)
      Item Content
      Terminal No. (Symbol) G64-18 (LSFR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and front door RH locked
    15. A0099FOE01

      Using an oscilloscope, check waveform 11.

      Waveform 11 (Reference)
      Item Content
      Terminal No. (Symbol) 2H-25 (LSWL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and rear door LH locked
    16. A009AVHE01

      Using an oscilloscope, check waveform 12.

      Waveform 12 (Reference)
      Item Content
      Terminal No. (Symbol) 2H-25 (LSWL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and rear door LH locked
    17. A0099FOE01

      Using an oscilloscope, check waveform 13.

      Waveform 13 (Reference)
      Item Content
      Terminal No. (Symbol) 2D-16 (LSWL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and rear door LH locked
    18. A009AVHE01

      Using an oscilloscope, check waveform 14.

      Waveform 14 (Reference)
      Item Content
      Terminal No. (Symbol) 2D-16 (LSWL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and rear door LH locked
    19. A0094G1E01

      Using an oscilloscope, check waveform 15.

      Waveform 15 (Reference)
      Item Content
      Terminal No. (Symbol) G63-2 (LSWR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and rear door RH locked
    20. A0096YWE01

      Using an oscilloscope, check waveform 16.

      Waveform 16 (Reference)
      Item Content
      Terminal No. (Symbol) G63-2 (LSWR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and rear door RH locked
    21. A0099FOE01

      Using an oscilloscope, check waveform 17.

      Waveform 17 (Reference)
      Item Content
      Terminal No. (Symbol) G65-13 (LSWB) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and back door locked
    22. A009AVHE01

      Using an oscilloscope, check waveform 18.

      Waveform 18 (Reference)
      Item Content
      Terminal No. (Symbol) G65-13 (LSWB) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and back door locked

  2. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY Click here