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Rear Power Window RH does not Operate with Rear Power Window Switch RH: Procedure

  1. READ VALUE USING TECHSTREAM (Main Body) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Main Body / Data List.
    5. Read the Data List according to the display on the Techstream.
      MAIN BODY (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Communication RR-Door Motor Connection status between power window regulator motor (for rear RH door) and main body ECU (multiplex network body ECU) / STOP or OK STOP: Communication stopped
      OK: Normal communication
      -

      OK

      On the Techstream screen, OK is displayed.

    NG → See step   8 

    OK: Go to next step 

  2. READ VALUE USING TECHSTREAM (RR-Door Motor) 
    1. Enter the following menus: Body Electrical / RR-Door Motor / Data List.
    2. Read the Data List according to the display on the Techstream.
      RR-DOOR MOTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR RH DOOR))

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

      OK

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

    NG → See step   4 

    OK: Go to next step 

  3. PERFORM ACTIVE TEST USING TECHSTREAM (RR-Door Motor) 
    1. Enter the following menus: Body Electrical / RR-Door Motor / Active Test.
    2. Perform the Active Test according to the display on the Techstream.
      WARNING:

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

      RR-DOOR MOTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR))

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

      OK

      Rear RH power window operates normally.

    NG → See step   6 

    OK → See step   9 

  4. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for RH Door) 
    1. Remove the rear power window regulator switch assembly (for RH door). Refer to REMOVAL .
      Fig 1: Inspecting Power Window Regulator Switch Assembly Connector Terminals
      GTY326789Courtesy 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
      6 (UP) - 1 (GND) Auto up or up position Below 1 Ω
      7 (DOWN) - 1 (GND) Auto down or down position Below 1 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Rear Power Window Regulator Switch Assembly (for RH Door))

    NG → See step   7 

    OK: Go to next step 

  5. CHECK HARNESS AND CONNECTOR (REAR RH DOOR SWITCH - REAR RH DOOR MOTOR AND BODY GROUND) 
    1. Disconnect the power window regulator motor assembly (for rear RH door) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      P2-6 (UP) - P4-10 (UP) Always Below 1 Ω
      P2-7 (DOWN) - P4-7 (DOWN) Always Below 1 Ω
      P2-1 (GND) - Body ground Always Below 1 Ω
      P2-6 (UP) - Body ground Always 10 kΩ or higher
      P2-7 (DOWN) - Body ground Always 10 kΩ or higher
      P4-10 (UP) - Body ground Always 10 kΩ or higher
      P4-7 (DOWN) - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   6 

  6. REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Door). Refer to  REMOVAL 
  7. REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for RH Door). Refer to  REMOVAL 
  8. GO TO LIN COMMUNICATION SYSTEM (Proceed to How to Proceed with Troubleshooting). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 
  9. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL