Toyota Tundra Service Manual: 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.

OK

REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

NG

OTHER PROBLEM

    Data List / Active Test

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

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