Toyota Tundra. Manual — part 618

Fig. 25: Inspecting Front Seat Adjuster Assembly RH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: Go to step 21

OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT POWER SEAT LUMBAR
SWITCH BATTERY AND BODY GROUND)

21. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT LUMBAR SWITCH

LUMBAR SUPPORT MOTOR LH)

a. Disconnect the Y10 switch connector.

b. Disconnect the Y11 motor connector.

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

Standard resistance

FRONT POWER SEAT LUMBAR SWITCH LUMBAR SUPPORT MOTOR LH

Tester Connection

Condition Specified Condition

Y10-1 (R) - Y11-2

Always

Below 1 ohms

Y10-4 (H) - Y11-1

Y10-1 (R) - Body ground

Always

10 kohms or higher

Y10-4 (H) - Body ground

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Seat - Tundra

Fig. 26: Identifying Front Power Seat Lumbar Switch And Lumbar Support Motor
Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE FRONT SEAT ADJUSTER ASSEMBLY RH (see REMOVAL )

FRONT POWER SEAT CONTROL SYSTEM (W/O MEMORY)

PARTS LOCATION

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Seat - Tundra

Fig. 27: Identifying Front Power Seat Control System Components Location (1 Of 3)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Seat - Tundra

Fig. 28: Identifying Front Power Seat Control System Components Location (2 Of 3)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Seat - Tundra