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.

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

    See More:

    Toyota Tundra Service Manual > Windshield Deicer System: Problem Symptoms Table
    PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0167