Last Modified: 11-29-2007 1.6 J
Service Category: Vehicle Exterior Section: Window/Glass
Model Year: 2008 Model: Sequoia Doc ID: RM000000XHI01DX
Title: WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: DESCRIPTION (2008 Sequoia)

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

DESCRIPTION

If the manual UP/DOWN function does not operate, there may be a malfunction in the power window regulator master switch, the power window regulator motor, the harness and connector.

WIRING DIAGRAM



INSPECTION PROCEDURE

PROCEDURE

1.

CHECK LIN COMMUNICATION SYSTEM

(a) Check for LIN communication system DTCs related to the power window control system NETWORKING: LIN COMMUNICATION SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

OK:

LIN communication system DTCs are not output.

OK

2.

CHECK DTC (B2312)

(a) Check if DTC B2312 is output WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

OK:

DTC B2312 is not output.

OK

3.

READ VALUE USING TECHSTREAM (D-DOOR MOTOR)

(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 / D-Door Motor / Data List.

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

D-Door Motor

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

D Door P/W Up SW

Driver side power window MANUAL UP switch signal / ON or OFF

ON: Driver side power window manual UP switch operated

OFF: Driver side power window switch not operated

-

D Door P/W Down SW

Driver side power window MANUAL DOWN switch signal / ON or OFF

ON: Driver side power window manual DOWN switch operated

OFF: OFF: Driver side power window switch not operated

-

OK:

The Techstream display changes normally when master switch is operated.

OK

4.

CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH - BATTERY, BODY GROUND)


(a) Disconnect the M2 power window regulator master switch assembly connector.

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

M2-3 (B) - Body ground

Always

11 to 14 V

M2-13 (B) - Body ground

Ignition switch ON

11 to 14 V

Standard Resistance:

Tester Connection

Condition

Specified Condition

M2-1 (GND) - Body ground

Always

Below 1 Ω

(c) Reconnect the power window regulator master switch assembly connector.

OK

5.

CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR MOTOR LH - BATTERY, BODY GROUND)


(a) Disconnect the M3 front power window regulator motor assembly LH connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

M3-2(B) - Body ground

Always

11 to 14 V

Standard Resistance:

Tester Connection

Condition

Specified Condition

M3-1(GND) - Body ground

Always

Below 1 Ω

(c) Reconnect the front power window regulator motor assembly LH connector.

OK

6.

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



(a) Disconnect the M2 power window regulator master switch assembly connector.

(b) Disconnect the M3 front power window regulator motor assembly LH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

M2-4 (UP) - M3-10 (UP)

Always

Below 1 Ω

M2-5 (DOWN) - M3-7 (DOWN)

Always

Below 1 Ω

M2-4 (UP) - Body ground

Always

10 kΩ or higher

M2-5 (DOWN) - Body ground

Always

10 kΩ or higher

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

(e) Reconnect the power window regulator master switch assembly connector.

OK

7.

INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH


(a) Remove the front power window regulator motor assembly LH WINDOW / GLASS: POWER WINDOW REGULATOR MOTOR: REMOVAL (2008 Sequoia) .

(b) Apply positive (+) battery voltage to the connector terminal 2(B).

NOTICE:

  • Do not apply positive (+) battery voltage to any terminals except terminal 2(B), to avoid damaging the pulse sensor inside the motor.
  • Reset the power window regulator motor (initialize the pulse sensor) after installing the power window regulator motor and regulator assembly onto the door.

(c) Apply negative (-) battery voltage to the connector terminals 1(GND) and 7 (DOWN) / 10(UP).

(d) Check that the motor gear rotates smoothly as follows.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 2 (B)

Battery negative (-) → (-): 1(GND) (3 sec. or more) → 1(GND) and 10(UP) (within 1 sec.) → 1(GND) (within 1 sec.) → 1(GND) and 10(UP)

Motor gear rotates clockwise

Battery positive (+) → 2 (B)

Battery negative (-): 1(GND) (3 sec. or more) → 1(GND) and 7(DOWN) (within 1 sec.) → 1(GND) (within 1 sec.) → 1(GND) and 7(DOWN)

Motor gear rotates counterclockwise

(e) Reinstall the front power window regulator motor assembly LH.

OK