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Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH [03/2014 - ]: Procedure

  1. READ VALUE USING TECHSTREAM (RL-Door Motor) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / RL-Door Motor / Data List.
    5. Read the Data List according to the display on the Techstream.
      RL-DOOR MOTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH SIDE))

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      RL Door P/W Auto SW Rear LH side power window auto switch signal / ON or OFF ON: Rear LH power window auto switch operated
      OFF: Rear LH power window auto switch not operated
      -

      OK

      On the Techstream screen, ON or OFF is displayed accordingly.

    NG → See step   4 

    OK: Go to next step 

  2. PERFORM INITIALIZATION (for Rear LH Side) 
    1. Initialize the power window regulator motor assembly (for rear LH side). Refer to INITIALIZATION [03/2014 - ] .

    NEXT: Go to next step 

  3. CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP/DOWN FUNCTION) 
    1. Check that the rear LH side door power window moves when the auto up/down function of the power window regulator switch assembly (for rear LH side) is operated. Refer to OPERATION CHECK [03/2014 - ] .

      OK

      Rear LH side auto up/down function is normal.

    NG → See step   6 

    OK → END (PROBLEM DUE TO INITIALIZATION FAILURE) 

  4. INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear LH Side) 
    1. Remove the power window regulator switch assembly (for rear LH side). Refer to REMOVAL [03/2014 - ] .
      GTY359383Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      4 (A) - 5 (GND) Auto up or auto down position Below 1 Ω
      TEXT IN ILLUSTRATION

      *1 Component without harness connected
      (Power Window Regulator Switch Assembly (for Rear LH Side))

    NG → See step   7 

    OK: Go to next step 

  5. CHECK HARNESS AND CONNECTOR (REAR LH SIDE SWITCH - REAR LH SIDE MOTOR) 
    1. Disconnect the power window regulator motor assembly (for rear LH side) connector.
      GTY354619Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L3-4 (A) - L2-4 (AUTO) Always Below 1 Ω
      L3-4 (A) - Body ground Always 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *1 Front view of wire harness connector
      (to Power Window Regulator Switch Assembly (for Rear LH Side))
      *2 Front view of wire harness connector
      (to Power Window Regulator Motor Assembly (for Rear LH Side))

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   6 

  6. REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side). Refer to  REMOVAL [03/2014 - ] 
  7. REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear LH Side). Refer to  REMOVAL [03/2014 - ]