Toyota Tundra Service Manual: Driver Side Power Window Auto Down Function does not Operate

Toyota Tundra Service Manual / Vehicle Interior / Window / Glass / Power Window Control System(w/o Jam Protection Function) / Driver Side Power Window Auto Down Function does not Operate

DESCRIPTION

If the AUTO DOWN function does not operate, the cause may be one or more of the following:

The master switch has a malfunction.
The driver side motor has a malfunction.
The wiring between the master switch and the driver side motor is open or shorted.

WIRING DIAGRAM

PROCEDURE

1.	CHECK MANUAL UP / DOWN FUNCTION

(a) Check that the manual UP/DOWN function of the master switch can operate the driver door power window.

OK:

Manual UP/DOWN function operates normally.

REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

Data List / Active Test

Driver Side Power Window does not Operate with Power Window Master Switch

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