Last Modified: 11-29-2007 1.6 J
Service Category: Vehicle Exterior Section: Window/Glass
Model Year: 2008 Model: Sequoia Doc ID: RM000003F59000X
Title: WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: DESCRIPTION (2008 Sequoia)

Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window 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 power window regulator switch has a malfunction.
  • The Hall-IC in the power window regulator motor has a malfunction.
  • The wiring between the power window regulator switch and the power window regulator motor is open or short.

WIRING DIAGRAM

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 power window regulator switch can operate the front passenger side door power window WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: OPERATION CHECK (2008 Sequoia) .

OK:

Manual UP/DOWN function operates.

OK

3.

READ VALUE USING TECHSTREAM (FRONT POWER WINDOW REGULATOR MOTOR RH)

(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 / P-Door Motor / Data List.

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

P-Door Motor

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

P Door P/W Auto SW

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

ON: Front passenger side power window auto UP/DOWN switch operated

OFF: Front passenger side power window switch not operated

-

OK:

The Techstream display changes when front passenger side power window switch is operated.

OK

4.

CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW SWITCH RH - FRONT POWER WINDOW MOTOR RH)

(a) Disconnect the L2 front power window regulator switch assembly RH connector.

(b) Disconnect the L3 front power window regulator motor assembly RH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

L2-8 (AUTO) - L3-4 (AUTO)

Always

Below 1 Ω

L2-8 (AUTO) - Body ground

Always

10 kΩ or higher

(d) Reconnect the front power window regulator motor assembly RH connector.

(e) Reconnect the front power window regulator switch assembly RH connector

OK

5.

INSPECT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RH

(a) Remove the I3 front power window regulator switch assembly RH WINDOW / GLASS: FRONT PASSENGER SIDE POWER WINDOW SWITCH: REMOVAL (2008 Sequoia) .

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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

8 (AUTO) - 1 (GND)

AUTO UP/DOWN operation

Below 1 Ω

(c) Reinstall the front power window regulator switch assembly RH.

OK