POWER WINDOW CONTROL SYSTEM Rear Power Window LH does not Operate with Rear Power Window Switch LH

DESCRIPTION

When the engine switch is on (IG), the power window regulator motor assembly (for rear LH door) is operated by the rear power window regulator switch assembly (for LH door). The power window regulator motor assembly (for rear LH door) has motor, regulator, and ECU functions.

WIRING DIAGRAM

A01W4T5E19

CAUTION / NOTICE / HINT

Note


  • The power window control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting Click here. Troubleshoot the power window control system after confirming that the communication system is functioning properly.

  • If the power window regulator motor assembly (for rear LH door) has been replaced with a new one, initialize the power window control system Click here.

  • If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.

PROCEDURE


  1. READ VALUE USING GTS (MAIN BODY)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Main Body / Data List.

    5. Read the Data List according to the display on the GTS.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Communication RL-Door Motor Connection status between power window regulator motor assembly (for rear LH) and main body ECU (multiplex network body ECU) / OK or STOP

      OK: Normal communication

      STOP: Communication stopped

      		 -
      OK
      On the GTS screen, OK is displayed.

    NG

    GO TO LIN COMMUNICATION SYSTEM (Proceed to How to Proceed with Troubleshooting) Click here

    OK

  2. READ VALUE USING GTS (RL-DOOR MOTOR)


    1. Enter the following menus: Body Electrical / RL-Door Motor / Data List.

    2. Read the Data List according to the display on the GTS.

      RL-Door Motor
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      RL Door P/W Up SW Rear LH door power window manual up switch signal / ON or OFF

      ON: Rear LH door power window manual up switch being operated

      OFF: Rear LH door power window manual up switch not being operated

      		 -
      RL Door P/W Down SW Rear LH door power window manual down switch signal / ON or OFF

      ON: Rear LH door power window manual down switch being operated

      OFF: Rear LH door power window manual down switch not being operated

      		 -
      OK
      On the GTS screen, ON or OFF is displayed accordingly.

    NG

    INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR LH DOOR) Click here

    OK

  3. PERFORM ACTIVE TEST USING GTS (RL-DOOR MOTOR)


    1. Enter the following menus: Body Electrical / RL-Door Motor / Active Test.

    2. Perform the Active Test according to the display on the GTS.

      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.

      RL-Door Motor
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Power window OFF / UP / DOWN -
      OK
      Rear LH power window operates normally.

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR) Click here

  4. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR LH DOOR)


    1. A01W46AE02
      Text in Illustration
      *a

      Component without harness connected

      (Rear Power Window Regulator Switch Assembly (for LH Door))

      Remove the rear power window regulator switch assembly (for LH door) Click here.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection 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

    NG

    REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR LH DOOR) Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (REAR WINDOW REGULATOR SWITCH (FOR LH DOOR) - REGULATOR MOTOR (FOR REAR LH DOOR) AND BODY GROUND)


    1. Disconnect the O2 power window regulator motor assembly (for rear LH door) connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      O4-6 (UP) - O2-10 (UP) Always Below 1 Ω
      O4-7 (DOWN) - O2-7 (DOWN) Always Below 1 Ω
      O4-1 (GND) - Body ground Always Below 1 Ω
      O4-6 (UP) - Body ground Always 10 kΩ or higher
      O4-7 (DOWN) - Body ground Always 10 kΩ or higher
      O2-10 (UP) - Body ground Always 10 kΩ or higher
      O2-7 (DOWN) - Body ground Always 10 kΩ or higher

    OK

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR