Sliding Roof System Terminals Of Ecu

  1. CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)

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

  1. CHECK CERTIFICATION ECU (w/ Smart Key System)

Sliding Roof System -- Terminals Of Ecu



CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Sliding Roof Convertible.Sliding Roof System.Sliding Roof System  Terminals Of Ecu

  1. Disconnect the W2 ECU connector.

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

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

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    W2-1 (B) - W2-2 (E)
    W - W-B
    Battery power supply
    Always
    11 to 14 V
    W2-5 (IG) - W2-2 (E)
    L - W-B
    IG power supply
    Ignition switch off
    Below 1 V
    W2-5 (IG) - W2-2 (E)
    L - W-B
    IG power supply
    Ignition switch ON
    11 to 14 V
    W2-2 (E) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    1. If the result is not as specified, there may be a malfunction on the wire harness side.
  3. Reconnect the W2 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
    W2-7 (OPN) - W2-2 (E)
    LG - W-B
    Sliding roof motor open
    Ignition switch ON, sliding roof closed
    Slide open switch off
    11 to 14 V
    W2-7 (OPN) - W2-2 (E)
    LG - W-B
    Sliding roof motor open
    Ignition switch ON, sliding roof closed
    Slide open switch on
    Below 1 V
    W2-9 (CLS) - W2-2 (E)
    B - W-B
    Sliding roof motor close
    Ignition switch ON, sliding roof open
    Slide close switch off
    11 to 14 V
    W2-9 (CLS) - W2-2 (E)
    B - W-B
    Sliding roof motor close
    Ignition switch ON, sliding roof open
    Slide close switch on
    Below 1 V
    W2-10 (UP) - W2-2 (E)
    R - W-B
    Sliding roof motor up
    Ignition switch ON, sliding roof tilted downward
    Tilt up switch off
    11 to 14 V
    W2-10 (UP) - W2-2 (E)
    R - W-B
    Sliding roof motor up
    Ignition switch ON, sliding roof tilted downward
    Tilt up switch on
    Below 1 V
    W2-8 (DWN) - W2-2 (E)
    P - W-B
    Sliding roof motor down
    Ignition switch ON, sliding roof tilted upward
    Tilt down switch off
    11 to 14 V
    W2-8 (DWN) - W2-2 (E)
    P - W-B
    Sliding roof motor down
    Ignition switch ON, sliding roof tilted upward
    Tilt down switch on
    Below 1 V
    1. If the result is not as specified, the sliding roof drive gear sub-assembly may have a malfunction.

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

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Sliding Roof Convertible.Sliding Roof System.Sliding Roof System  Terminals Of Ecu


Text in Illustration
*A
for LHD
*B
for RHD
  1. Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly (LandCruiser RM000003WBO05FX.html).

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

    HINT:
    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.

    for LHD:
    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    2I-27 (FLCY) - Body ground
    R - Body ground
    Front door LH courtesy switch input
    Front door LH open
    Below 1 V
    2I-27 (FLCY) - Body ground
    R - Body ground
    Front door LH courtesy switch input
    Front door LH closed
    11 to 14 V
    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 1 or 2)
    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 3 or 4)
    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

    for RHD:
    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    2H-26 (FRCY) - Body ground
    B - Body ground
    Front door RH courtesy switch input
    Front door RH open
    Below 1 V
    2H-26 (FRCY) - Body ground
    B - Body ground
    Front door RH courtesy switch input
    Front door RH closed
    11 to 14 V
    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 1 or 2)
    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 3 or 4)
    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
    1. *: w/o Entry and Start System
    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. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Sliding Roof Convertible.Sliding Roof System.Sliding Roof System  Terminals Of Ecu
  6. Using an oscilloscope, check waveform 1.

    Waveform 1 (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


  7. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Sliding Roof Convertible.Sliding Roof System.Sliding Roof System  Terminals Of Ecu
  8. Using an oscilloscope, check waveform 2.

    Waveform 2 (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. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Sliding Roof Convertible.Sliding Roof System.Sliding Roof System  Terminals Of Ecu
  10. Using an oscilloscope, check waveform 3.

    Waveform 3 (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. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Sliding Roof Convertible.Sliding Roof System.Sliding Roof System  Terminals Of Ecu
  12. Using an oscilloscope, check waveform 4.

    Waveform 4 (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

CHECK CERTIFICATION ECU (w/ Smart Key System)

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Sliding Roof Convertible.Sliding Roof System.Sliding Roof 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.

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

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    G38-1 (+B) - G38-15 (E)
    V - W-B
    Battery 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
    Ignition switch off
    Below 1 V
    G38-16 (IG) - G38-15 (E)
    W - W-B
    IG power supply
    Ignition switch ON
    11 to 14 V
    G38-17 (CUTB) - G38-15 (E)
    L - W-B
    Battery 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
    Ignition switch off, all doors closed and transmitter switch not pressed
    Below 1 V
    G39-5 (RCO) - G38-15 (E)
    L - W-B
    Door control receiver power source
    Ignition switch off, all doors closed and transmitter switch pressed
    4.5 to 5.5 V
    G39-15 (RDA) - G38-15 (E)
    G - W-B
    Door control receiver data input signal
    Ignition 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
    11 to 14 V
    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 pressed
    Below 2 V
    1. If the result is not as specified, the certification ECU may have a malfunction.