Power Window Control System Terminals Of Ecu

  1. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

  1. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY

  1. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH (for 5 Door)

  1. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH (for 5 Door)

  1. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

  1. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

  1. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for 5 Door)

  1. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for 5 Door)

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

Power Window Control System -- Terminals Of Ecu



CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System.Power Window Control System  Terminals Of Ecu


Text in Illustration
*A
for LHD
*B
for RHD
  1. *1: for LHD
  2. *2: for RHD
  1. Disconnect the K4*1 or J9*2 multiplex network master switch 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.

    for LHD:
    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    K4-11 (B) - K4-12 (GND)
    L - W-B
    Power supply
    Always
    11 to 14 V
    K4-12 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω

    for RHD:
    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    J9-11 (B) - J9-12 (GND)
    L - W-B
    Power supply
    Always
    11 to 14 V
    J9-12 (GND) - 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. Reconnect the K4*1 or J9*2 multiplex network master switch connector.

  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
    K4-15 (DOWN) - K4-12 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, driver side power window regulator switch off
    11 to 14 V
    K4-15 (DOWN) - K4-12 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, driver side power window switch down (Manual operation)
    Below 1 V
    K4-18 (LED) - K4-12 (GND)
    V - W-B
    LED illumination signal
    Ignition switch ON
    11 to 14 V
    K4-18 (LED) - K4-12 (GND)
    V - W-B
    LED illumination signal
    Ignition switch turned off
    Below 1 V
    K4-20 (UP) - K4-12 (GND)
    P - W-B
    Power window motor up input
    Ignition switch ON, driver side power window switch off
    11 to 14 V
    K4-20 (UP) - K4-12 (GND)
    P - W-B
    Power window motor up input
    Ignition switch ON, driver side power window switch up (Manual operation)
    Below 1 V

    for RHD:
    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    J9-15 (DOWN) - J9-12 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, driver side power window regulator switch off
    11 to 14 V
    J9-15 (DOWN) - J9-12 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, driver side power window switch down (Manual operation)
    Below 1 V
    J9-18 (LED) - J9-12 (GND)
    V - W-B
    LED illumination signal
    Ignition switch ON
    11 to 14 V
    J9-18 (LED) - J9-12 (GND)
    V - W-B
    LED illumination signal
    Ignition switch turned off
    Below 1 V
    J9-20 (UP) - J9-12 (GND)
    P - W-B
    Power window motor up input
    Ignition switch ON, driver side power window switch off
    11 to 14 V
    J9-20 (UP) - J9-12 (GND)
    P - W-B
    Power window motor up input
    Ignition switch ON, driver side power window switch up (Manual operation)
    Below 1 V
    If the result is not as specified, the multiplex network master switch may have a malfunction.

CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System.Power Window Control System  Terminals Of Ecu


Text in Illustration
*A
for LHD
*B
for RHD
  1. *1: for LHD
  2. *2: for RHD
  1. Disconnect the J1*1 or K10*2 power window regulator switch connector.

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

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

    for LHD:
    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    J1-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω

    for RHD:
    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    K10-1 (GND) - 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. Reconnect the J1*1 or K10*2 power window regulator switch connector.

  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
    J1-6 (UP) - J1-1 (GND)
    L - W-B
    Power window motor up input
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    J1-6 (UP) - J1-1 (GND)
    L - W-B
    Power window motor up input
    Ignition switch ON, power window regulator switch up
    Below 1 V
    J1-8 (AUTO) - J1-1 (GND)
    P - W-B
    Power window motor auto up or down input
    Ignition switch ON, door glass fully open
    11 to 14 V
    J1-8 (AUTO) - J1-1 (GND)
    P - W-B
    Power window motor auto up or down input
    Ignition switch ON, power window auto up or down function operating
    Below 1 V
    J1-8 (AUTO) - J1-1 (GND)
    P - W-B
    Power window motor auto up or down input
    Ignition switch ON, door glass fully closed
    11 to 14 V
    J1-4 (LED) - J1-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch ON
    11 to 14 V
    J1-4 (LED) - J1-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch is turned off
    Below 1 V
    J1-7 (DOWN) - J1-1 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    J1-7 (DOWN) - J1-1 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, power window regulator switch down
    Below 1 V

    for RHD:
    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    K10-6 (UP) - K10-1 (GND)
    L - W-B
    Power window motor up input
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    K10-6 (UP) - K10-1 (GND)
    L - W-B
    Power window motor up input
    Ignition switch ON, power window regulator switch up
    Below 1 V
    K10-8 (AUTO) - K10-1 (GND)
    P - W-B
    Power window motor auto up or down input
    Ignition switch ON, door glass fully open
    11 to 14 V
    K10-8 (AUTO) - K10-1 (GND)
    P - W-B
    Power window motor auto up or down input
    Ignition switch ON, power window auto up or down function operating
    Below 1 V
    K10-8 (AUTO) - K10-1 (GND)
    P - W-B
    Power window motor auto up or down input
    Ignition switch ON, door glass fully closed
    11 to 14 V
    K10-4 (LED) - K10-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch ON
    11 to 14 V
    K10-4 (LED) - K10-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch is turned off
    Below 1 V
    K10-7 (DOWN) - K10-1 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    K10-7 (DOWN) - K10-1 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, power window regulator switch down
    Below 1 V
    If the result is not as specified, the power window regulator switch may have a malfunction.

CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH (for 5 Door)

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System.Power Window Control System  Terminals Of Ecu

  1. Disconnect the M2 rear power window regulator switch connector.

  2. Measure the 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
    M2-1 (GND) - 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. Reconnect the M2 rear power window regulator switch connector.

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

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    M2-6 (UP) - M2-1 (GND)
    L - W-B
    Power window motor up input
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    M2-6 (UP) - M2-1 (GND)
    L - W-B
    Power window motor up input
    Ignition switch ON, power window regulator switch up
    Below 1 V
    M2-8 (AUTO) - M2-1 (GND)
    P - W-B
    Power window motor auto up or down input
    Ignition switch ON, door glass fully open
    11 to 14 V
    M2-8 (AUTO) - M2-1 (GND)
    P - W-B
    Power window motor auto up or down input
    Ignition switch ON, power window auto up or down function operating
    Below 1 V
    M2-8 (AUTO) - M2-1 (GND)
    P - W-B
    Power window motor auto up or down input
    Ignition switch ON, door glass fully closed
    11 to 14 V
    M2-4 (LED) - M2-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch ON
    11 to 14 V
    M2-4 (LED) - M2-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch is turned off
    Below 1 V
    M2-7 (DOWN) - M2-1 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    M2-7 (DOWN) - M2-1 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, power window regulator switch down
    Below 1 V
    If the result is not as specified, the power window regulator switch may have a malfunction.

CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH (for 5 Door)

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System.Power Window Control System  Terminals Of Ecu

  1. Disconnect the L2 rear power window regulator switch connector.

  2. Measure the 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
    L2-1 (GND) - 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. Reconnect the L2 rear power window regulator switch connector.

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

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    L2-6 (UP) - L2-1 (GND)
    L - W-B
    Power window motor up input
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    L2-6 (UP) - L2-1 (GND)
    L - W-B
    Power window motor up input
    Ignition switch ON, power window regulator switch up
    Below 1 V
    L2-8 (AUTO) - L2-1 (GND)
    P - W-B
    Power window motor auto up or down input
    Ignition switch ON, door glass fully open
    11 to 14 V
    L2-8 (AUTO) - L2-1 (GND)
    P - W-B
    Power window motor auto up or down input
    Ignition switch ON, power window auto up or down function operating
    Below 1 V
    L2-8 (AUTO) - L2-1 (GND)
    P - W-B
    Power window motor auto up or down input
    Ignition switch ON, door glass fully closed
    11 to 14 V
    L2-4 (LED) - L2-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch ON
    11 to 14 V
    L2-4 (LED) - L2-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch is turned off
    Below 1 V
    L2-7 (DOWN) - L2-1 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    L2-7 (DOWN) - L2-1 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, power window regulator switch down
    Below 1 V
    If the result is not as specified, the rear power window regulator switch may have a malfunction.

CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System.Power Window Control System  Terminals Of Ecu

  1. *1: for LHD
  2. *2: for RHD
  1. Disconnect the K7 power window regulator motor 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
    K7-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    K7-2 (B) - Body ground*1
    R - Body ground*1
    G - Body ground*2
    Battery power supply
    Always
    11 to 14 V
    If the result is not as specified, there may be a malfunction in the wire harness.
  3. Reconnect the K7 power window regulator motor connector.

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

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    K7-5 (LED) - K7-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch ON
    11 to 14 V
    K7-5 (LED) - K7-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch turned off
    Below 1 V
    K7-7 (DOWN) - K7-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, power window regulator master switch off
    11 to 14 V
    K7-7 (DOWN) - K7-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, power window regulator master switch down
    Below 1 V
    K7-7 (DOWN) - K7-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, door glass fully closed
    11 to 14 V
    K7-7 (DOWN) - K7-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, power window auto down function operating
    Below 1 V
    K7-7 (DOWN) - K7-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, door glass fully open
    11 to 14 V
    K7-10 (UP) - K7-1 (GND)
    P - W-B*1
    L - W-B*2
    Power window motor up output
    Ignition switch ON, power window regulator master switch off
    11 to 14 V
    K7-10 (UP) - K7-1 (GND)
    P - W-B*1
    L - W-B*2
    Power window motor up output
    Ignition switch ON, power window regulator master switch up
    Below 1 V
    K7-10 (UP) - K7-1 (GND)
    P - W-B*1
    L - W-B*2
    Power window motor up output
    Ignition switch ON, door glass fully open
    11 to 14 V
    K7-10 (UP) - K7-1 (GND)
    P - W-B*1
    L - W-B*2
    Power window motor up output
    Ignition switch ON, power window auto up function operating
    Below 1 V
    K7-10 (UP) - K7-1 (GND)
    P - W-B*1
    L - W-B*2
    Power window motor up output
    Ignition switch ON, door glass fully closed
    11 to 14 V
    If the result is not as specified, the power window regulator motor may have a malfunction.

CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System.Power Window Control System  Terminals Of Ecu

  1. *1: for LHD
  2. *2: for RHD
  1. Disconnect the J7 power window regulator motor 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
    J7-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    J7-2 (B) - Body ground
    G - Body ground*1
    R - Body ground*2
    Battery power supply
    Always
    11 to 14 V
    If the result is not as specified, there may be a malfunction in the wire harness.
  3. Reconnect the J7 power window regulator motor connector.

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

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    J7-5 (LED) - J7-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch ON
    11 to 14 V
    J7-5 (LED) - J7-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch turned off
    Below 1 V
    J7-7 (DOWN) - J7-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    J7-7 (DOWN) - J7-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, power window regulator switch down
    Below 1 V
    J7-7 (DOWN) - J7-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, door glass fully closed
    11 to 14 V
    J7-7 (DOWN) - J7-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, power window auto down function operating
    Below 1 V
    J7-7 (DOWN) - J7-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, door glass fully open
    11 to 14 V
    J7-10 (UP) - J7-1 (GND)
    L - W-B*1
    P - W-B*2
    Power window motor up output
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    J7-10 (UP) - J7-1 (GND)
    L - W-B*1
    P - W-B*2
    Power window motor up output
    Ignition switch ON, power window regulator switch up
    Below 1 V
    J7-10 (UP) - J7-1 (GND)
    L - W-B*1
    P - W-B*2
    Power window motor up output
    Ignition switch ON, door glass fully open
    11 to 14 V
    J7-10 (UP) - J7-1 (GND)
    L - W-B*1
    P - W-B*2
    Power window motor up output
    Ignition switch ON, power window auto up function operating
    Below 1 V
    J7-10 (UP) - J7-1 (GND)
    L - W-B*1
    P - W-B*2
    Power window motor up output
    Ignition switch ON, door glass fully closed
    11 to 14 V
    If the result is not as specified, the power window regulator motor may have a malfunction.

CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for 5 Door)

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System.Power Window Control System  Terminals Of Ecu

  1. Disconnect the M4 rear power window regulator motor 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
    M4-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    M4-2 (B) - Body ground
    W - Body ground
    Battery power supply
    Always
    11 to 14 V
    If the result is not as specified, there may be a malfunction in the wire harness.
  3. Reconnect the M4 rear power window regulator motor connector.

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

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    M4-5 (LED) - M4-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch ON
    11 to 14 V
    M4-5 (LED) - M4-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch turned off
    Below 1 V
    M4-7 (DOWN) - M4-1 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    M4-7 (DOWN) - M4-1 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, power window regulator switch down
    Below 1 V
    M4-7 (DOWN) - M4-1 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, door glass fully closed
    11 to 14 V
    M4-7 (DOWN) - M4-1 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, power window auto down function operating
    Below 1 V
    M4-7 (DOWN) - M4-1 (GND)
    B - W-B
    Power window motor down input
    Ignition switch ON, door glass fully open
    11 to 14 V
    M4-10 (UP) - M4-1 (GND)
    L - W-B
    Power window motor up output
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    M4-10 (UP) - M4-1 (GND)
    L - W-B
    Power window motor up output
    Ignition switch ON, power window regulator switch up
    Below 1 V
    M4-10 (UP) - M4-1 (GND)
    L - W-B
    Power window motor up output
    Ignition switch ON, door glass fully open
    11 to 14 V
    M4-10 (UP) - M4-1 (GND)
    L - W-B
    Power window motor up output
    Ignition switch ON, power window auto up function operating
    Below 1 V
    M4-10 (UP) - M4-1 (GND)
    L - W-B
    Power window motor up output
    Ignition switch ON, door glass fully closed
    11 to 14 V
    If the result is not as specified, the rear power window regulator motor may have a malfunction.

CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for 5 Door)

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System.Power Window Control System  Terminals Of Ecu

  1. Disconnect the L4 rear window regulator motor 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
    L4-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    L4-2 (B) - Body ground
    W - Body ground
    Battery power supply
    Always
    11 to 14 V
    If the result is not as specified, there may be a malfunction in the wire harness.
  3. Reconnect the L4 rear power window regulator motor connector.

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

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    L4-5 (LED) - L4-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch ON
    11 to 14 V
    L4-5 (LED) - L4-1 (GND)
    V - W-B
    LED illumination signal
    Ignition switch turned off
    Below 1 V
    L4-7 (DOWN) - L4-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    L4-7 (DOWN) - L4-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, power window regulator switch down
    Below 1 V
    L4-7 (DOWN) - L4-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, door glass fully closed
    11 to 14 V
    L4-7 (DOWN) - L4-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, power window auto down function operating
    Below 1 V
    L4-7 (DOWN) - L4-1 (GND)
    B - W-B
    Power window motor down output
    Ignition switch ON, door glass fully open
    11 to 14 V
    L4-10 (UP) - L4-1 (GND)
    L - W-B
    Power window motor up output
    Ignition switch ON, power window regulator switch off
    11 to 14 V
    L4-10 (UP) - L4-1 (GND)
    L - W-B
    Power window motor up output
    Ignition switch ON, power window regulator switch up
    Below 1 V
    L4-10 (UP) - L4-1 (GND)
    L - W-B
    Power window motor up output
    Ignition switch ON, door glass fully open
    11 to 14 V
    L4-10 (UP) - L4-1 (GND)
    L - W-B
    Power window motor up output
    Ignition switch ON, power window auto up function operating
    Below 1 V
    L4-10 (UP) - L4-1 (GND)
    L - W-B
    Power window motor up output
    Ignition switch ON, door glass fully closed
    11 to 14 V
    If the result is not as specified, the rear power window regulator motor 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.Window Glass.Power Window Control System.Power Window Control System  Terminals Of Ecu


Text in Illustration
*A
for LHD
*B
for RHD
  1. Remove the main body ECU (multiplex network 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
    -
    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
    2D-15 (FRCY) - Body ground
    B - Body ground
    Front door RH courtesy switch input
    Front door RH open
    Below 1 V
    2D-15 (FRCY) - Body ground
    B - Body ground
    Front door RH courtesy switch input
    Front door RH closed
    11 to 14 V

    for RHD:
    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    2D-31 (FLCY) - Body ground
    R - Body ground
    Front door LH courtesy switch input
    Front door LH open
    Below 1 V
    2D-31 (FLCY) - Body ground
    R - Body ground
    Front door LH courtesy switch input
    Front door LH closed
    11 to 14 V
    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
    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.