Rear Power Window LH Auto Up / Down Function Does Not Operate With Rear Power Window Switch LH

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

DESCRIPTION

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

If the power window initialization Initialization has not been performed, the auto up/down function will not operate.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
* The power window control system uses a multiplex communication system (LIN communication system). Inspect the communication function by following How to Proceed with Troubleshooting How To Proceed With Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.
* When the rear power window regulator motor assembly LH 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 rear power window regulator switch assembly LH and holding it at the auto up position.
(2) Open the power window by fully pushing down the rear power window regulator switch assembly LH.
* When the ECU determines that the rear power window regulator motor assembly LH has a malfunction, DTC B2311 is set.

PROCEDURE

1. READ VALUE USING TECHSTREAM (RL-DOOR MOTOR)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / RL-Door Motor / Data List.

(e) Read the Data List according to the display on the Techstream.

RL-Door Motor (Rear Power Window Regulator Motor Assembly LH)





OK:

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

NG -- INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH
OK -- Continue to next step.

2. PERFORM INITIALIZATION (for Rear LH Side)

(a) Initialize the rear power window regulator motor assembly LH Initialization.

NEXT -- Continue to next step.

3. CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP/DOWN FUNCTION)

(a) Check that the rear LH side power window moves when the auto up/down function of the rear power window regulator switch assembly LH is operated Operation Check.

OK:

Rear LH side auto up/down function is normal.

NG -- REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Removal

OK -- END (PROBLEM DUE TO INITIALIZATION FAILURE)

4. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH

(a) Remove the rear power window regulator switch assembly LH Removal.





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

Standard Resistance:





Text in Illustration





NG -- REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH Removal
OK -- Continue to next step.

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

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

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

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Removal