Toyota Tundra Service Manual: Driver Side Power Window does not Operate with Power Window Master Switch

Toyota Tundra Service Manual / Vehicle Interior / Window / Glass / Power Window Control System(w/ Jam Protection Function) / 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 master switch, the driver side motor, or the harness or connector.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.

CHECK LIN COMMUNICATION SYSTEM

(a) Check for LIN communication system DTCs related to the power window control system (See page ).

OK:

LIN communication system DTCs are not output.

NG

GO TO LIN COMMUNICATION SYSTEM

OK

2.

CHECK FOR DTC (B2312)

(a) Check if DTC B2312 is output (See page ).

OK:

DTC B2312 is not output.

NG

GO TO DTC (B2312)

OK

3.

READ VALUE USING TECHSTREAM (DRIVER SIDE MOTOR)

(a) Use the Data List to check if the driver side motor is functioning properly.

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 switch operated

OFF: Driver side switch not operated

-

D Door P/W Down SW

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

ON: Driver side switch operated

OFF: Driver side switch not operated

-

OK:

The Techstream display changes normally when master switch is operated.

OK

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

NG

4.

CHECK HARNESS AND CONNECTOR (MASTER SWITCH - BATTERY AND BODY GROUND)

(a) Disconnect the master switch connector.

*a

Front view of wire harness connector

(to Master Switch)

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

N2-3 (B) - Body ground

Always

11 to 14 V

N2-13 (B) - Body ground

Ignition switch ON

11 to 14 V

Standard Resistance:

Tester Connection

Condition

Specified Condition

N2-1 (E) - Body ground

Always

Below 1 Ω

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

5.

CHECK HARNESS AND CONNECTOR (DRIVER SIDE MOTOR - BATTERY AND BODY GROUND)

(a) Disconnect the motor connector.

*a

Front view of wire harness connector

(to Driver Side Motor)

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

N12-2 (B) - Body ground

Always

11 to 14 V

Standard Resistance:

Tester Connection

Condition

Specified Condition

N12-1 (GND) - Body ground

Always

Below 1 Ω

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

6.

CHECK HARNESS AND CONNECTOR (MASTER SWITCH - DRIVER SIDE MOTOR)

(a) Disconnect the N2 master switch connector.

(b) Disconnect the N12 motor connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

N2-4 (UP) - N12-10 (UP)

Always

Below 1 Ω

N2-5 (DOWN) - N12-7 (DOWN)

Always

Below 1 Ω

N2-4 (UP) - Body ground

Always

10 kΩ or higher

N2-5 (DOWN) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

7.

INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

(a) Remove the driver side motor (See page ).

*1

Motor Gear

*a

Component without harness connected

(Driver Side Motor)

*b

Counterclockwise

*c

Clockwise

(b) Apply positive (+) battery voltage to 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 to the door.

(c) Apply negative (-) battery voltage to 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

OK

REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

NG

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

    Diagnostic Trouble Code Chart

    Dtc Check / Clear

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