POWER WINDOW CONTROL SYSTEM Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH

DESCRIPTION

If the manual up and down function can be performed but the auto up and down function cannot, the fail-safe mode may be functioning.

If the power window initialization Click here has not been performed, the auto up and down function will not operate.

WIRING DIAGRAM

A01JBCVE41

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.

  • When the power window regulator motor assembly (for rear LH side) is reinstalled or replaced, the power window control system must be initialized.

  • After a door glass or a door glass run has been replaced, the jam protection function may operate unexpectedly when the auto up function is used. In such cases, the auto up function can be reinitialized by repeating the following operations at least 5 times:


    1. Close the power window by fully pulling up the power window regulator switch assembly (for rear LH side) and holding it at the auto up position.

    2. Open the power window by fully pushing down the power window regulator switch assembly (for rear LH side).

  • When the ECU determines that the power window regulator motor assembly (for rear LH side) has a malfunction, DTC B2311 is set.

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (RL-Door Motor)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the intelligent tester on.

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

    5. Read the Data List according to the display on the intelligent tester.

      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 intelligent tester screen, ON or OFF is displayed accordingly.

    NG
    OK
  2. PERFORM INITIALIZATION (for Rear LH Side)


    1. Initialize the power window regulator motor assembly (for rear LH side) Click here.


    NEXT
  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 and down function of the power window regulator switch assembly (for rear LH side) is operated Click here.

      OK
      Rear LH side auto up and down function is normal.

    NG
    OK
  4. INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear LH Side)


    1. A01J8NZE04
      Text in Illustration
      *1

      Component without harness connected

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

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

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      8 (AUTO) - 1 (GND) Auto up or auto down position Below 1 Ω

    NG
    OK
  5. CHECK HARNESS AND CONNECTOR (REAR LH SIDE SWITCH - REAR LH SIDE MOTOR)


    1. A01JAFDE25
      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))

      Disconnect the power window regulator motor assembly (for rear LH side) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Q2-8 (AUTO) - Q4-4 (AUTO) Always Below 1 Ω
      Q2-8 (AUTO) - Body ground Always 10 kΩ or higher

    NG
    OK