Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

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

  1. CHECK CERTIFICATION ECU

Wireless Door Lock Control System (W/ Entry And Start System) -- Terminals Of Ecu



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

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu


Text in Illustration
*A
for LHD
*B
for RHD
  1. Remove the main body ECU (LandCruiser RM000003WBO05FX.html).

  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
    -
    Engine switch power supply
    Engine switch on (IG)
    11 to 14 V
    A-32 (IG) - Body ground
    -
    Engine switch power supply
    Engine switch off
    Below 1 V
    A-29 (ACC) - Body ground
    -
    ACC power supply
    Engine switch on (ACC)
    11 to 14 V
    A-29 (ACC) - Body ground
    -
    ACC power supply
    Engine 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 (LandCruiser RM000003WBM05CX.html).

  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
    Engine 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
    Engine 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
    Engine 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
    Engine 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
    Engine 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
    Engine 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
    Engine 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
    Engine switch off, all doors closed and back door locked
    Pulse generation (see waveform 15 or 16)
    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
    1. *1: for LHD
    2. *2: for RHD
    3. *3: for 5 Door
    4. *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. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  6. 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
    Engine switch off, all doors closed and back door closed


  7. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  8. 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
    Engine switch off, all doors closed and back door closed


  9. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  10. 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
    Engine switch off, all doors closed and glass hatch closed


  11. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  12. 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
    Engine switch off, all doors closed and glass hatch closed


  13. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  14. 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
    Engine switch off, all doors closed and front door LH locked


  15. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  16. 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
    Engine switch off, all doors closed and front door LH locked


  17. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  18. 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
    Engine switch off, all doors closed and front door RH locked


  19. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  20. 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
    Engine switch off, all doors closed and front door RH locked


  21. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  22. 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
    Engine switch off, all doors closed and rear door LH locked


  23. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  24. 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
    Engine switch off, all doors closed and rear door LH locked


  25. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  26. 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
    Engine switch off, all doors closed and rear door LH locked


  27. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  28. 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
    Engine switch off, all doors closed and rear door LH locked


  29. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  30. 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
    Engine switch off, all doors closed and rear door RH locked


  31. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  32. 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
    Engine switch off, all doors closed and rear door RH locked


  33. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  34. 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
    Engine switch off, all doors closed and back door locked


  35. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu
  36. 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
    Engine switch off, all doors closed and back door locked

CHECK CERTIFICATION ECU

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System)  Terminals Of Ecu

  1. Disconnect the G38 ECU connector.

  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
    G38-1 (+B) - G38-15 (E)
    V - W-B
    +B power supply
    Always
    11 to 14 V
    G38-15 (E) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    G38-16 (IG) - G38-15 (E)
    W - W-B
    IG power supply
    Engine switch off → Engine switch on (IG)
    Below 1 V → 11 to 14 V
    G38-17 (CUTB) - G38-15 (E)
    L - W-B
    +B power supply
    Always
    11 to 14 V
    1. If the result is not as specified, there may be a malfunction in the wire harness.
  3. Reconnect the G38 ECU connector.

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

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    G39-5 (RCO) - G38-15 (E)
    L - W-B
    Door control receiver power source
    Engine switch off, all doors closed and transmitter switch not pressed → pressed
    Below 1 V → 4.5 to 5.5 V
    G39-15 (RDA) - G38-15 (E)
    G - W-B
    Door control receiver data input signal
    Engine switch off
    11 to 14 V pulse generation at regular intervals
    G39-16 (RSSI) - G38-15 (E)
    P - W-B
    Door control receiver electric wave existence signal
    All doors locked, all doors closed and transmitter switch not pressed → pressed
    11 to 14 V → Below 2 V
    1. If the result is not as specified, the certification ECU may have a malfunction.