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Home >> Lexus >> 2008 >> GS 460 >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS >> Power Window Control System >> Rear Power Window RH does not Operate with Rear Power Window Switch RH >> Inspection Procedure
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Inspection Procedure

  1. PERFORM ACTIVE TEST USING TECHSTREAM (POWER WINDOW UP/DOWN) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG) and turn the Techstream ON.
    3. Select the following menu items: Body / RR-Door Motor / Active Test.
    4. Perform the Active Test according to the display on the Techstream.

      RR-Door Motor 

      ACTIVE TEST

      Tester Display Test Part Control Range Diagnostic Note
      Power Window Power window UP or OFF -
      Power Window Power window DOWN or OFF -

      OK: 

      Rear RH power window operates normally. 

      CAUTION: Be careful to avoid injuries as this test causes vehicle parts to move.
      During the Active Test, the jam protection function will not operate.

    NG :  Go to step  4

    OK : Go to Next Step 

  2. READ VALUE USING TECHSTREAM (REAR RH) 
    1. Select the following menu items: Body / RR-Door Motor / Data List.
    2. Read the Data List according to the display on the Techstream.

      RR-Door Motor 

      DATA LIST

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      RR Door P/W Up SW Rear RH power window manual up switch signal / ON or OFF ON: Rear RH power window manual up switch is operated
      OFF: Rear RH power window manual up switch is not operated
      -
      RR Door P/W Down SW Rear RH power window manual down switch signal / ON or OFF ON: Rear RH power window manual down switch is operated
      OFF: Rear RH power window manual down switch is not operated
      -

      OK: 

      ON (switch operates) appears on screen. 

    NG : Go to step 3 

    OK : GO TO MULTIPLEX COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

  3. CHECK HARNESS AND CONNECTOR (WINDOW SWITCH (REAR RH SIDE) - DOOR ECU (REAR RH SIDE)) 
    1. Disconnect the S1 power window switch connector.
    2. Disconnect the O3 rear door ECU connector.
    3. Measure the resistance according to the value (s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION CHART

      Tester Connection Condition Specified Condition
      S1-5 (E) - O3-20 (SGND) Always Below 1 Ω
      S1-5 (E) - Body ground Always 10 kΩ or higher

    NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 1: Identifying S1 Power Window Switch Connector And O3 Rear Door ECU Connector
    G05811731Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : Go to Next Step 

  4. CHECK HARNESS AND CONNECTOR (DOOR ECU (REAR RH SIDE) - REGULATOR MOTOR (REAR RH SIDE)) 
    1. Disconnect the O4 motor connector.
    2. Measure the resistance according to the value (s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION CHART

      Tester Connection Condition Specified Condition
      O3-5 (BDRJ) - O4-2 (B) Always Below 1 Ω
      O3-2 (PWE) - O4-1 (E) Always Below 1 Ω
      O3-5 (BDRJ) - Body ground Always 10 kΩ or higher
      O3-2 (PWE) - Body ground Always 10 kΩ or higher

    NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 2: Identifying O4 Motor Connector And Rear Door ECU Connector O3
    G05811732Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : Go to Next Step 

  5. CHECK HARNESS AND CONNECTOR (WINDOW SWITCH (REAR RH) - REGULATOR MOTOR (REAR RH)) 
    1. Measure the resistance according to the value (s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION CHART

      Tester Connection Condition Specified Condition
      S1-2 (U) - O4-10 (UP1) Always Below 1 Ω
      S1-10 (D) - O4-7 (DWN1) Always Below 1 Ω
      S1-2 (U) - Body ground Always 10 kΩ or higher
      S1-10 (D) - Body ground Always 10 kΩ or higher

    NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 3: Identifying O4 Motor Connector And Power Window Switch Connector S1
    G05811733Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : Go to Next Step 

  6. INSPECT POWER WINDOW SWITCH (for Rear RH side) 
    1. Measure the resistance according to the value (s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION CHART

      Tester Connection Switch Condition Specified Condition
      2 (U) - 5 (E) Manual UP operation Below 1 Ω
      10 (D) - S (E) Manual DOWN operation Below 1 Ω

    NG : REPLACE POWER WINDOW SWITCH (for Rear RH side)  (See REMOVAL )

    Fig 4: Identifying Power Window Switch Connector Terminal
    G05811734Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH  (See REMOVAL )