POWER WINDOW CONTROL SYSTEM Remote Up / Down Function does not Operate

DESCRIPTION

When the ignition switch is ON, the power window regulator master switch assembly sends remote up/down signals to each power window regulator motor assembly via the LIN communication line.

WIRING DIAGRAM

A01EIULE11

INSPECTION PROCEDURE

Note

The power window control system uses a multiplex communication system (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.

PROCEDURE


  1. READ VALUE USING GTS (Main Body)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    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 P-Door Motor Connection status between power window regulator motor (for front passenger side) and main body ECU (driver side junction block assembly) / OK or STOP

      OK: Normal communication

      STOP: Communication stopped

      -
      Communication RL-Door Motor Connection status between power window regulator motor (for rear LH) and main body ECU (driver side junction block assembly) / OK or STOP

      OK: Normal communication

      STOP: Communication stopped

      -
      Communication RR-Door Motor Connection status between power window regulator motor (for rear RH) and main body ECU (driver side junction block assembly) / OK or STOP

      OK: Normal communication

      STOP: Communication stopped

      -
      Communication Master SW Connection status between power window master switch and main body ECU (driver side junction block assembly) / OK or STOP

      OK: Normal communication

      STOP: Communication stopped

      -
      OK
      On the GTS screen, OK is displayed.

    NG
    OK
  2. READ VALUE USING GTS (Master Switch)


    1. Enter the following menus: Body Electrical / Master Switch / Data List.

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

      Master Switch
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      P Door P/W Auto SW Front passenger side power window auto up/down switch signal / ON or OFF

      ON: Front passenger door power window auto switch operated

      OFF: Front passenger door power window auto switch not operated

      -
      RL Door P/W Auto SW Rear LH side power window auto up/down switch signal / ON or OFF

      ON: Rear LH power window auto switch operated

      OFF: Rear LH power window auto switch not operated

      -
      RR Door P/W Auto SW Rear RH side power window auto up/down switch signal / ON or OFF

      ON: Rear RH power window auto switch operated

      OFF: Rear RH power window auto switch not operated

      -
      P Door P/W Up SW Front passenger side power window manual up switch signal / ON or OFF

      ON: Front passenger door power window manual up switch operated

      OFF: Front passenger door power window manual up switch not operated

      -
      RL Door P/W Up Switch Rear LH side power window manual up switch signal / ON or OFF

      ON: Rear LH power window manual up switch operated

      OFF: Rear LH power window manual up switch not operated

      -
      RR Door P/W Up Switch Rear RH side power window manual up switch signal / ON or OFF

      ON: Rear RH power window manual up switch operated

      OFF: Rear RH power window manual up switch not operated

      -
      P Door P/W Down SW Front passenger side power window manual down switch signal / ON or OFF

      ON: Front passenger door power window manual down switch operated

      OFF: Front passenger door power window manual down switch not operated

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

      ON: Rear LH power window manual down switch operated

      OFF: Rear LH power window manual down switch not operated

      -
      RR Door P/W Down SW Rear RH side power window manual down switch signal / ON or OFF

      ON: Rear RH power window manual down switch operated

      OFF: Rear RH power window manual down switch not operated

      -
      Window Lock Switch Status Window lock switch signal / ON or OFF

      ON: Window lock switch LOCK position

      OFF: Window lock switch UNLOCK position

      -
      OK
      On the GTS screen, ON or OFF is displayed accordingly.
      Result
      Result Proceed to
      NG A
      OK (Front passenger side power window remote up/down function does not operate) B
      OK (Rear LH side power window remote up/down function does not operate) C
      OK (Rear RH side power window remote up/down function does not operate) D

    B
    C
    D
    A