Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH

DESCRIPTION

If the manual up and down functions operate normally but the auto up and down functions do not, the power window control system may be in fail-safe mode.

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

Click here

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

• 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

• Check that power window system customize settings "RL Window Auto Up" and "RL Window Auto Down" are set to "ON" before performing the following procedure.

  Click here

• After the catch protection function has operated, the auto up function will not operate the first time the power window auto up switch is operated. The auto up function will operate normally after the first power window switch operation.

HINT:

If the pulse sensor built into the power window regulator motor assembly (for rear LH door) is malfunctioning, the power window control system will enter fail-safe mode. The remote up and down and auto up and down functions cannot be operated during fail-safe mode. However, the power window can be closed by holding the rear power window regulator switch assembly (for LH door) at the auto up position, and opened manually by pushing down the rear power window regulator switch assembly (for LH door).

Click here

PROCEDURE

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(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.

OK:

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

NG

GO TO STEP 4

OK

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

Click here

NEXT

(a) Check that the rear LH door power window moves when the auto up and down functions of the rear power window regulator switch assembly (for LH door) are operated.

Click here

OK:

Rear LH door auto up and down functions are normal.

OK

END (PROBLEM DUE TO INITIALIZATION FAILURE)

NG

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Door)

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

Click here

(b) Inspect the rear power window regulator switch assembly (for LH door).

Click here

NG

REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for LH Door)

OK

(a) Disconnect the J10 power window regulator motor assembly (for rear LH door) connector.

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

Standard Resistance:

OK

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Door)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR