THEFT DETERRENT SYSTEM TERMINALS OF ECU


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

    A01DMMGE06
    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)
      G64-11 (L2) - Body ground GR - Body ground Driver side door key-linked lock input Driver side door key cylinder 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 neutral position Pulse generation (see waveform 5 or 6)
      G64-24 (UL3) - Body ground LG - Body ground Driver side door key-linked unlock input Driver side door key cylinder 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 neutral position Pulse generation (see waveform 7 or 8)
      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 9 or 10)
      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 11 or 12)
      2I-25 (LSWL) - Body ground*1, *4 B - Body ground Rear door LH lock position switch input Rear door LH unlocked Below 1 V
      2I-25 (LSWL) - Body ground*1, *4 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)
      2D-16 (LSWL) - Body ground*2, *4 B - Body ground Rear door LH lock position switch input Rear door LH unlocked Below 1 V
      2D-16 (LSWL) - Body ground*2, *4 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 15 or 16)
      G63-2 (LSWR) - Body ground*4 V - Body ground Rear door RH lock position switch input Rear door RH unlocked Below 1 V
      G63-2 (LSWR) - Body ground*4 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 17 or 18)
      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 19 or 20)
      2D-34 (IND) - Body ground G - Body ground Security indicator light signal Security indicator light illuminates (illuminates only for 30 (+/-5) seconds in alarm sounding state (blinks when system in armed state)) 3 to 6 V
      G63-18 (SSCL) - Body ground*5 G - Body ground Theft warning siren (self power siren) signal Theft warning siren (self power siren) sounding (theft warning system in alarm sounding state) Pulse generation
      G63-18 (SSCL) - Body ground*5 G - Body ground Theft warning siren (self power siren) signal Theft warning siren (self power siren) not sounding (theft warning system in armed state) Pulse generation
      G63-12 (ISIF) - Body ground*6 R - Body ground Intrusion sensor signal input No moving object detected 6.5 to 14 V
      G63-12 (ISIF) - Body ground*6 R - Body ground Intrusion sensor signal input Moving object detected during arming preparation state or armed state Pulse generation (see waveform 21)
      G63-6 (GCS) - Body ground*10 V - Body ground Tilt sensor signal input Vehicle tilt not detected 6.5 to 14 V
      G63-6 (GCS) - Body ground*10 V - Body ground Tilt sensor signal input Vehicle tilt detected during arming preparation state or armed state Pulse generation (see waveform 22)
      G64-23 (SSW1) - Body ground*6 L - Body ground Intrusion sensor OFF switch signal Intrusion sensor OFF switch on Below 1.5 V
      G64-23 (SSW1) - Body ground*6 L - Body ground Intrusion sensor OFF switch signal Ignition switch off, all doors closed and intrusion sensor OFF switch off Pulse generation (see waveform 23 or 24)
      2I-35 (GPBS) - Body ground*1, *3, *8 R - Body ground Glass breakage sensor signal Glass breakage sensor normal Below 2 V
      2D-30 (GPBS) - Body ground*2, *3, *8 R - Body ground Glass breakage sensor signal Glass breakage sensor normal Below 2 V
      2D-30 (GPBS) - Body ground*1, *7, *8 B - Body ground Glass breakage sensor signal Glass breakage sensor normal Below 2 V
      2H-35 (GPBS) - Body ground*2, *7, *8 B - Body ground Glass breakage sensor signal Glass breakage sensor normal Below 2 V
      2F-23 (HCTY) - Body ground B - Body ground Security courtesy switch Engine hood open Below 1 V
      2F-23 (HCTY) - Body ground B - Body ground Security courtesy switch Ignition switch off, all doors closed and engine hood closed Pulse generation (see waveform 25 or 26)
      2F-29 (HORN) - Body ground G - Body ground Vehicle horn signal Vehicle horn sounding (theft warning system in alarm sounding state) Pulse generation
      2F-29 (HORN) - Body ground G - Body ground Vehicle horn signal Vehicle horn not sounding (theft warning system in armed state) 11 to 14 V
      2F-25 (SH) - Body ground*9 GR - Body ground Security horn signal Security horn sounding (theft warning system in alarm sounding state) Pulse generation
      2F-25 (SH) - Body ground*9 GR - Body ground Security horn signal Security horn not sounding (theft warning system in armed state) 11 to 14 V

      • *1: for LHD

      • *2: for RHD

      • *3: for 5 Door

      • *4: w/ Glass Hatch Opener System

      • *5: w/ Security Siren

      • *6: w/ Intrusion Sensor

      • *7: for 3 Door

      • *8: w/ Glass Breakage Sensor

      • *9: w/ Security Horn

      • *10: w/ Tilt Sensor

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

    5. A01DS10E01

      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. A01DSUNE01

      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. A01DS10E01

      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. A01DSUNE01

      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. A01DOEPE01

      Using an oscilloscope, check waveform 5.

      Waveform 5 (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 neutral position
    10. A01DTKWE01

      Using an oscilloscope, check waveform 6.

      Waveform 6 (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 neutral position
    11. A01DS10E01

      Using an oscilloscope, check waveform 7.

      Waveform 7 (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 neutral position
    12. A01DSUNE01

      Using an oscilloscope, check waveform 8.

      Waveform 8 (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 neutral position
    13. A01DS10E01

      Using an oscilloscope, check waveform 9.

      Waveform 9 (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
    14. A01DSUNE01

      Using an oscilloscope, check waveform 10.

      Waveform 10 (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
    15. A01DS10E01

      Using an oscilloscope, check waveform 11.

      Waveform 11 (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
    16. A01DSUNE01

      Using an oscilloscope, check waveform 12.

      Waveform 12 (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
    17. A01DS10E01

      Using an oscilloscope, check waveform 13.

      Waveform 13 (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
    18. A01DSUNE01

      Using an oscilloscope, check waveform 14.

      Waveform 14 (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
    19. A01DS10E01

      Using an oscilloscope, check waveform 15.

      Waveform 15 (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
    20. A01DSUNE01

      Using an oscilloscope, check waveform 16.

      Waveform 16 (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
    21. A01DOEPE01

      Using an oscilloscope, check waveform 17.

      Waveform 17 (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
    22. A01DTKWE01

      Using an oscilloscope, check waveform 18.

      Waveform 18 (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
    23. A01DS10E01

      Using an oscilloscope, check waveform 19.

      Waveform 19 (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
    24. A01DSUNE01

      Using an oscilloscope, check waveform 20.

      Waveform 20 (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
    25. A01DMS2E01

      Using an oscilloscope, check waveform 21.

      Waveform 21 (Reference)
      Item Content
      Terminal No. (Symbol) G63-12 (ISIF) - Body ground
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition Moving object detected during arming preparation state or armed state
    26. A01DMS2E01

      Using an oscilloscope, check waveform 22.

      Waveform 22 (Reference)
      Item Content
      Terminal No. (Symbol) G63-6 (GCS) - Body ground
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition Vehicle tilt detected during arming preparation state or armed state
    27. A01DS10E01

      Using an oscilloscope, check waveform 23.

      Waveform 23 (Reference)
      Item Content
      Terminal No. (Symbol) G64-23 (SSW1) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and intrusion sensor OFF switch off
    28. A01DSUNE01

      Using an oscilloscope, check waveform 24.

      Waveform 24 (Reference)
      Item Content
      Terminal No. (Symbol) G64-23 (SSW1) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and intrusion sensor OFF switch off
    29. A01DS10E01

      Using an oscilloscope, check waveform 25.

      Waveform 25 (Reference)
      Item Content
      Terminal No. (Symbol) 2F-23 (HCTY) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and engine hood closed
    30. A01DSUNE01

      Using an oscilloscope, check waveform 26.

      Waveform 26 (Reference)
      Item Content
      Terminal No. (Symbol) 2F-23 (HCTY) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Ignition switch off, all doors closed and engine hood closed