Toyota Tundra. Manual — part 718

Fig. 11: Power Window Regulator Master Switch Assembly LH Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

a. Remove the motor (see REMOVAL ).

b. Apply battery voltage to connector terminals 1 and 2.

c. Check that the motor gear rotates smoothly as follows.

OK

MOTOR GEAR MEASUREMENT SPECIFIED CONDITION

Measurement Condition

Specified Condition

Battery positive (+) --> 1
Battery negative (-) --> 2

Motor gear rotates counterclockwise

Battery positive (+) --> 2
Battery negative (-) --> 1

Motor gear rotates clockwise

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Windshield/WindowGlass - Tundra

Fig. 12: Identifying Rear Power Window Regulator Motor Assembly LH Connector
Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (see
REMOVAL )

OK: Go to Next Step

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

Fig. 13: Identifying Front View Of Wire Harness Connector Terminals (Master Switch And Driver
Side Motor)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Windshield/WindowGlass - Tundra

a. Disconnect the N2 master switch connector.

b. Disconnect the N3 motor connector.

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

Standard resistance

for Regular Cab:

MASTER SWITCH - DRIVER SIDE MOTOR (FOR REGULAR CAB)

for Double Cab:

MASTER SWITCH - DRIVER SIDE MOTOR (FOR DOUBLE CAB)

for CrewMax:

MASTER SWITCH - DRIVER SIDE MOTOR (FOR CREWMAX)

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

3. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

Tester Connection

Condition Specified Condition

N2-10 (U) - N3-2

Always

Below 1 ohms

N2-12 (D) - N3-1
N2-10 (U) or N3-2 - Body ground

Always

10 kohms or higher

N2-12 (D) or N3-1 - Body ground

Tester Connection

Condition Specified Condition

N2-3 (U) - N3-2

Always

Below 1 ohms

N2-4 (D) - N3-1
N2-3 (U) or N3-2 - Body ground

Always

10 kohms or higher

N2-4 (D) or N3-1 - Body ground

Tester Connection

Condition Specified Condition

N2-3 (U) - N3-2

Always

Below 1 ohms

N2-4 (D) - N3-1
N2-3 (U) or N3-2 - Body ground

Always

10 kohms or higher

N2-4 (D) or N3-1 - Body ground

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Windshield/WindowGlass - Tundra

Fig. 14: Identifying Power Window Regulator Master Switch Assembly Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

a. Remove the master switch (see REMOVAL ).

b. Reconnect the master switch connector.

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

Standard voltage

for Regular Cab:

POWER WINDOW REGULATOR MASTER SWITCH (FOR REGULAR CAB)

Tester

Connection

Condition

Specified Condition

N2-10 (U) -
N2-7 (E)

Ignition switch ON, driver side door power window

regulator switch OFF --> UP

Below 1 V --> 11 to

14 V

N2-12 (D) -
N2-7 (E)

Ignition switch ON, driver side door power window

regulator switch OFF --> DOWN

N2-12 (D) -
N2-7 (E)

Ignition switch ON, driver side door glass fully closed -->

power window AUTO DOWN operation --> driver side

Below 1 V --> 11 to

14 V --> Below 1 V

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Windshield/WindowGlass - Tundra