Last Modified: 11-29-2007 1.6 J
Service Category: Vehicle Exterior Section: Window/Glass
Model Year: 2008 Model: Sequoia Doc ID: RM000000Y46019X
Title: WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: DESCRIPTION (2008 Sequoia)

Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch

DESCRIPTION

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

  • The ECU in the power window regulator motor determines that the power window regulator motor has not been initialized.
  • The master switch has a malfunction.
  • The Hall-IC in the driver side power window regulator motor has a malfunction.
  • The wiring between the master switch and the driver side power window regulator motor is open or short.

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK DTC

(a) Check for DTCs WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: DTC CHECK / CLEAR (2008 Sequoia)

Result

Result

Proceed to

DTC is not output

A

B2311 is output

B

B2312 is output

C

B2313 is output

D

LIN communication system DTCs are output

E
A

2.

CHECK MANUAL UP / DOWN FUNCTION

(a) Check that the manual UP/DOWN function using the multiplex network master switch can operate the driver side power window WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: OPERATION CHECK (2008 Sequoia)

OK:

Manual UP/DOWN function operates normally.

OK

3.

READ VALUE USING TECHSTREAM (POWER WINDOW REGULATOR MASTER SWITCH)

(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 / Master Switch / Data List.

(e) According to the display on the Techstream, read the Data List.

Master Switch

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

D Door P/W Auto SW

Driver side power window auto UP/ DOWN switch signal / ON or OFF

ON: Driver side power window auto UP/ DOWN switch operated

OFF: Driver side power window switch not operated

-

OK:

The Techstream display changes normally when master switch is operated.

OK