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


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

    B001F4ZE02
    Text in Illustration
    *A for LHD *B for RHD

    1. Remove the main body ECU Click here.

    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
      A-30 (BECU) - Body ground - Auxiliary battery power supply Always 11 to 14 V
      A-31 (ALTB) - Body ground - Auxiliary 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 Click here.

    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 switch input Front door LH open Below 1 V
      2I-27 (FLCY) - Body ground*1 R - Body ground Front door LH courtesy switch input Front door LH closed 11 to 14 V
      2D-31 (FLCY) - Body ground*2 R - Body ground Front door LH courtesy switch input Front door LH open Below 1 V
      2D-31 (FLCY) - Body ground*2 R - Body ground Front door LH courtesy switch input Front door LH closed 11 to 14 V
      2D-15 (FRCY) - Body ground*1 B - Body ground Front door RH courtesy switch input Front door RH open Below 1 V
      2D-15 (FRCY) - Body ground*1 B - Body ground Front door RH courtesy switch input Front door RH closed 11 to 14 V
      2H-26 (FRCY) - Body ground*2 B - Body ground Front door RH courtesy switch input Front door RH open Below 1 V
      2H-26 (FRCY) - Body ground*2 B - Body ground Front door RH courtesy 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)
      G64-1 (GCTY) - Body ground*4 V - Body ground Glass hatch courtesy switch input Glass hatch open Below 1 V
      G64-1 (GCTY) - Body ground*4 V - Body ground Glass hatch courtesy switch input Ignition switch off, all doors closed and glass hatch closed Pulse generation (see waveform 3 or 4)
      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 5 or 6)
      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 7 or 8)
      2I-25 (LSWL) - Body ground*1, *3 B - Body ground Rear door LH lock position switch input Rear door LH unlocked Below 1 V
      2I-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 9 or 10)
      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 11 or 12)
      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 13 or 14)
      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 15 or 16)
      G64-25 (PRG) - Body ground LG - Body ground Door control receiver output Key in ignition key cylinder → No key in ignition key cylinder Pulse generation
      G64-26 (RDA) - Body ground P - Body ground Door control receiver input No key in ignition key cylinder, all doors closed and transmitter switch off → on Pulse generation
      2F-13 (BZR) - Body ground GR - Body ground Wireless door lock buzzer signal Wireless door lock buzzer off Below 1 V
      2F-13 (BZR) - Body ground GR - Body ground Wireless door lock buzzer signal Wireless door lock buzzer on Pulse generation
      G64-3 (HAZ) - Body ground W - Body ground Hazard warning signal light signal output Hazard warning signal switch off Below 1 V
      G64-3 (HAZ) - Body ground W - Body ground Hazard warning signal light signal output Hazard warning signal switch on 11 to 14 V
      G64-17 (KSW) - Body ground G - Body ground Unlock warning switch input No key in ignition key cylinder Pulse generation (see waveform 17 or 18)
      G64-17 (KSW) - Body ground G - Body ground Unlock warning switch input Key in ignition key cylinder Below 1 V

      • *1: for LHD

      • *2: for RHD

      • *3: for 5 Door

      • *4: w/ Glass Hatch Opener System

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

    5. B001DE0E01

      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. B001H4LE01

      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. B001DE0E01

      Using an oscilloscope, check waveform 3.

      Waveform 3 (Reference)
      Item Content
      Terminal No. (Symbol) G64-1 (GCTY) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and glass hatch closed
    8. B001H4LE01

      Using an oscilloscope, check waveform 4.

      Waveform 4 (Reference)
      Item Content
      Terminal No. (Symbol) G64-1 (GCTY) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and glass hatch closed
    9. B001DE0E01

      Using an oscilloscope, check waveform 5.

      Waveform 5 (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
    10. B001H4LE01

      Using an oscilloscope, check waveform 6.

      Waveform 6 (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
    11. B001DE0E01

      Using an oscilloscope, check waveform 7.

      Waveform 7 (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
    12. B001H4LE01

      Using an oscilloscope, check waveform 8.

      Waveform 8 (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
    13. B001DE0E01

      Using an oscilloscope, check waveform 9.

      Waveform 9 (Reference)
      Item Content
      Terminal No. (Symbol) 2I-25 (LSWL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and rear door LH locked
    14. B001H4LE01

      Using an oscilloscope, check waveform 10.

      Waveform 10 (Reference)
      Item Content
      Terminal No. (Symbol) 2I-25 (LSWL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and rear door LH locked
    15. B001DE0E01

      Using an oscilloscope, check waveform 11.

      Waveform 11 (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
    16. B001H4LE01

      Using an oscilloscope, check waveform 12.

      Waveform 12 (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
    17. B001FIBE01

      Using an oscilloscope, check waveform 13.

      Waveform 13 (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
    18. B001F6ZE01

      Using an oscilloscope, check waveform 14.

      Waveform 14 (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
    19. B001DE0E01

      Using an oscilloscope, check waveform 15.

      Waveform 15 (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
    20. B001H4LE01

      Using an oscilloscope, check waveform 16.

      Waveform 16 (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
    21. B001DE0E01

      Using an oscilloscope, check waveform 17.

      Waveform 17 (Reference)
      Item Content
      Terminal No. (Symbol) G64-17 (KSW) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition No key in ignition key cylinder
    22. B001H4LE01

      Using an oscilloscope, check waveform 18.

      Waveform 18 (Reference)
      Item Content
      Terminal No. (Symbol) G64-17 (KSW) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition No key in ignition key cylinder