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Home >> Lexus >> 2008 >> GX 470 >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS >> Power Window Control System >> Driver Side Power Window Auto Up/Down Function does not Operate with Power Window Master Switch >> Inspection Procedure
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Inspection Procedure

  1. CHECK MANUAL UP/DOWN FUNCTION (DRIVER SIDE) 
    1. Check that the door glass can be operated manually

    NG: OTHER PROBLEM 

    OK: Go to Next Step 

  2. CHECK ILLUMINATION (POWER WINDOW MASTER SWITCH) 
    1. Turn the ignition switch ON.
    2. Operate the driver switch of the master switch.
    3. Check the blinking pattern of the illumination as shown in the illustration.
      Fig 1: Identifying Master Switch
      G05846630Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 2: Blinking Pattern Of Illumination
      G05846631Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. If pattern (1) is displayed, proceed to A.
      2. If pattern (2) or (3) is displayed, proceed to B
      3. If the normal pattern is displayed, proceed to C

    B: Go to step 4 

    C: REPLACE POWER WINDOW REGULATOR MASTER SWITCH 

    A: Go to Next Step 

  3. RESET POWER WINDOW REGULATOR MOTOR (DRIVER SIDE) 
    1. Turn the ignition switch ON.
    2. Open the door glass.
    3. Fully pull up the power window switch until the door glass is fully closed.
    4. Continue to hold the switch 1 second or more even after the door glass is fully closed.
    5. Check that the AUTO UP/DOWN function operates completely.

    OK: END 

    NG: Go to Next Step 

  4. CHECK HARNESS (POWER WINDOW REGULATOR MASTER SWITCH - POWER WINDOW MOTOR) 
    1. Remove the driver side door trim board.
    2. Disconnect the D18 master switch connector.
    3. Disconnect the P10 power window motor connector.
    4. Check the continuity between the wire harness side connectors.

    Standard resistance 

    RESISTANCE SPECIFIED CONDITIONS

    Terminal No. Specified Condition
    D18-19 - P10-4 Below 1 Ω
    D18-5 - P10-5 Below 1 Ω
    D18-15 - P10-3 Below 1 Ω
    D18-12 - P10-6 Below 1 Ω
    D18-5 - Body ground No continuity
    D18-12 - Body ground No continuity
    D18-15 - Body ground No continuity
    D18-19 - Body ground No continuity

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 3: Identifying D18 Master Switch And P10 Power Window Motor Connector Terminals
    G05846632Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE POWER WINDOW REGULATOR MOTOR (DRIVER SIDE)