lemon-mirror:
Home >> Lexus >> 2007 >> GX 470 >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS >> Power Window Control System >> Manual Up/Down Function Does Not Operate On Driver Side >> Inspection Procedure

Inspection Procedure

  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH 
    1. Using the intelligent tester, check operation of the master switch using the DATA LIST.

      Standard 

      DATA LIST in D-DOOR ECU 

    DATA LIST IN D-DOOR ECU

    Measurement Item Label Parameter
    Driver switch on master switch P/W AUTO SW ON/OFF

    NG:  Go to step  3

    OK: Go to next step 

  2. CHECK WIRE HARNESS (POWER WINDOW REGULATOR MASTER SWITCH - POWER WINDOW MOTOR) 
    Fig 1: Identifying Power Window Regulator Master Switch & Power Window Motor Connector Terminals
    G05266773Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the D18 master switch connector.
    2. Remove the front door trim LH.
    3. Fig 2: Identifying Power Window Regulator Motor
      G05266774Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the P10 power window motor connector.
    5. Check the continuity between the wire harness side connectors.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Terminal No. Specified Condition
      D18-11 - P10-1 Below 1 Ω
      D18-1 - P10-2 Below 1 Ω
      D18-1 - Body ground No continuity
      D18-11 - Body ground No continuity
    6. Reference:

      Check operation of the power window motor (driver side).

      1. Remove the motor.
      2. Apply battery voltage to the connector between terminals 1 and 2.
      3. Check that the motor rotates smoothly.
      NOTE: Do not apply battery voltage to the terminals except 1 and 2.

      Standard 

      TERMINALS AND MOTOR GEAR ROTATION REFERENCE

      Terminal No. Motor Gear Rotation
      Battery positive voltage → 2
      Battery negative voltage → 1
      Clockwise
      Battery positive voltage → 1
      Battery negative voltage → 2
      Counterclockwise

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE POWER WINDOW REGULATOR MOTOR (DRIVER SIDE) 

  3. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (FOR GROUND) 
    Fig 3: Identifying Power Window Regulator Master Switch Connector Terminals
    G05266737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the master switch (the connector is connected).
    2. Check the continuity between terminal 2 and the body ground.

      Standard: 

      Below 1 → 

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  4. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (FOR POWER SOURCE) 
    Fig 4: Identifying Power Window Regulator Master Switch Connector Terminals
    G05266737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check the voltage between the terminals.

      Standard voltage 

    VOLTAGE SPECIFICATION

    Terminal No. Condition Specified Condition
    9 - 2 Constant 10 to 14 V
    20 - 2 Ignition ON 10 to 14 V
    10 - 2 Constant 10 to 14 V

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 

    OK: REPLACE POWER WINDOW REGULATOR MASTER SWITCH