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Home >> Lexus >> 2008 >> GS 450h >> 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 power 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 CHART

      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 

      TESTER CONNECTION SPECIFIED CONDITION

      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
    4. Fig 1: Identifying Window Switch And Door ECU (Rear RH Side) Connector Terminals
      G05820388Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  4. CHECK HARNESS AND CONNECTOR (DOOR ECU (REAR RH SIDE) - REGULATOR MOTOR (REAR RH SIDE)) 
    1. Disconnect the O11 motor connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      O3-5 (BDRJ) - O11-2 (B) Always Below 1 Ω
      O3-2 (PWE) - O11-1 (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
    3. Fig 2: Identifying Door ECU And Regulator Motor (Rear RH Side) Connector Terminals
      G05820389Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    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 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      S1-2 (U) - O11-10 (UP1) Always Below 1 Ω
      S1-10 (D) - O11-7 (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
    2. Fig 3: Identifying Window Switch And Regulator Motor (Rear RH) Connector Terminals
      G05820390Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    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 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Switch Condition Specified Condition
      2 (U) - 5 (E) Manual UP operation Below 1 Ω
      10 (D) - 5 (E) Manual DOWN operation Below 1 Ω
    2. Fig 4: Identifying Power Window Switch (Rear RH Side) Connector Terminals
      G05820391Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

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