LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2008 >> Land Cruiser >> Repair and Diagnosis >> Body & Frame >> Windows >> Window/Glass >> Power Window Control System >> Driver Side Power Window does not Operate with Power Window Master Switch >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

  1. CHECK LIN COMMUNICATION SYSTEM 
    1. Check for LIN communication system DTCs related to the power window control system (See DTC CHECK/CLEAR ).

      OK: LIN communication system DTCs are not output. 

    NG: GO TO LIN COMMUNICATION SYSTEM  (See DIAGNOSTIC TROUBLE CODE CHART )

    OK: Go to Next Step 

  2. CHECK FOR DTC (B2312) 
    1. Check if DTC B2312 is output (See DTC CHECK/CLEAR  ).

      OK: DTC B2312 is not output. 

    NG: GO TO DTC B2312  (See DTC B2312  )

    OK: Go to Next Step 

  3. READ VALUE USING TECHSTREAM (FRONT POWER WINDOW REGULATOR MOTOR LH) 
    1. Use the Data List to check if the power window regulator motor is functioning properly (See DATA LIST/ACTIVE TEST  ).

      D-Door Motor 

      D-DOOR MOTOR CONTROL RANGE REFERENCE

      Tester Display Measurement Item/Range Normal Condition
      D Door P/W Up SW Driver side power window manual up signal/ON or OFF ON: Driver side power window manual up switch operated
      OFF: Driver side power window switch not operated
      D Door P/W Down SW Driver side power window manual down signal/ON or OFF ON: Driver side power window manual down switch operated
      OFF: Driver side power window switch not operated

      OK: The Techstream display changes according to operation of the master switch. 

    NG: Go to step 4 

    OK: REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH  (See REMOVAL  )

  4. CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER - SWITCH BATTERY AND BODY GROUND) 
    1. Disconnect the I11 switch connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      Standard Voltage 

      VOLTAGE CHART

      Tester Connection Condition Specified Condition
      I11-11 (B)-Body ground Always 11 to 14 V

      Standard Resistance 

      RESISTANCE REFERENCE

      Tester Connection Condition Specified Condition
      I11-12 (GND)-Body ground Always Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 1: Identifying I11 Switch Connector Terminal
    G05636313Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to Next Step 

  5. CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR MOTOR LH - BATTERY AND BODY GROUND) 
    1. Disconnect the I12 motor connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      Standard Voltage 

      VOLTAGE CHART

      Tester Connection Condition Specified Condition
      I12-2 (B) - Body ground Always 11 to 14 V

      Standard Resistance 

      RESISTANCE REFERENCE

      Tester Connection Condition Specified Condition
      I12-1 (GND) - Body ground Always Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 2: Identifying I12 Motor Connector Terminal
    G05636314Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to Next Step 

  6. CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH - FRONT POWER WINDOW REGULATOR MOTOR LH) 
    1. Disconnect the I11 switch connector.
    2. Disconnect the I12 motor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      RESISTANCE REFERENCE

      Tester Connection Condition Specified Condition
      I11-20 (UP) - I12-10 (UP) Always Below 1 Ω
      I11-15 (DOWN) - I12-7 (DOWN) Always Below 1 Ω
      I11-20 (UP) or I12-10 (UP) - Body ground Always 10 kΩ or higher
      I11-15 (DOWN) or I12-7 (DOWN) - Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 3: Identifying I11 Switch Connector & I12 Motor Connector
    G05636303Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to Next Step 

  7. INSPECT FRONT POWER WINDOW REGULATOR MOTOR LH 
    1. Remove the motor (See REMOVAL  ).
    2. Apply positive (+) battery voltage to connector terminal 2 (B).
      NOTE:
      • Do not apply positive (+) battery voltage to any terminals, except terminal 2 (B), to avoid damaging the pulse sensor inside the motor.
      • Reset the power window regulator motor (initialize the pulse sensor) after installing the power window regulator motor and regulator assembly onto the door.
    3. Apply negative (-) battery voltage to connector terminals 1 (GND), and 7 (DOWN) or 10 (UP).
    4. Check that the motor gear rotates smoothly as follows.
      Fig 4: Inspecting Front Power Window Regulator Motor LH
      G05636316Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK 

      POWER WINDOW CONDITION CHART

      Measurement Condition Specified Condition
      1. Connect the positive (+) battery cable to terminal 2 (B), and connect the negative (-) battery cable to terminal 1 (GND), and keep them connected for 3 seconds or more.
      2. With terminals 2 (B) and 1 (GND) connected, connect the negative (-) battery cable to terminal 10 (UP).
      3. Disconnect and reconnect the negative (-) battery cable to terminal 10 (UP) within 1 second.
      		 Motor gear rotates clockwise (Up)
      1. Connect the positive (+) battery cable to terminal 2 (B), and connect the negative (-) battery cable to terminal 1 (GND), and keep them connected for 3 seconds or more.
      2. With terminals 2 (B) and 1 (GND) connected, connect the negative (-) battery cable to terminal 7 (DOWN).
      3. Disconnect and reconnect the negative (-) battery cable to terminal 7 (DOWN) within 1 second.
      		 Motor gear rotates counterclockwise (Down)

    NG: REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH  (See REMOVAL  )

    OK: REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY  (See REMOVAL  )

scientia non olet · About LEMON Manuals