Toyota Tundra. Manual — part 610

Fig. 3: Identifying Front Power Seat Control System Components Location (3 Of 4)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Seat - Tundra

Fig. 4: Identifying Front Power Seat Control System Components Location (4 Of 4)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

SYSTEM DIAGRAM

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Seat - Tundra

Fig. 5: Front Power Seat Control System Diagram (W/ Memory)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Communication table:

COMMUNICATION TABLE

Sender

Receiver

Signal

Line

ECM

Front Power Seat Switch

Shift position signal

CAN

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Seat - Tundra

SYSTEM DESCRIPTION

1. FRONT POWER SEAT CONTROL SYSTEM DESCRIPTION

a. The driver seat is equipped with slide, reclining, lifter, front vertical, lumbar support and leg

support adjustment functions.

b. The passenger seat is equipped with slide, reclining and lumbar support adjustment functions.

c. The memory system for the driver seat is provided as standard equipment.

2. FUNCTION OF MAIN COMPONENT

The following functions are available.

FUNCTION OF MAIN COMPONENT

LH

line

Outer Mirror Control

ECU

Front Power Seat Switch

LH



Seat memory switch M1 signal



Seat memory switch M2 signal



Seat memory switch SET signal

CAN

line

Main Body ECU

Front Power Seat Switch

LH

Driver door courtesy light switch

signal

CAN

line

Components

Function

Slide position motor

Receives signal from front power seat switch, motor operates, and seat slides
forward and rearward.

Reclining position motor

Receives signal from front power seat switch, motor operates, and seat tilts
and reclines.

Front power seat cushion
control motor

Receives signal from leg support adjustment switch, motor operates, and seat
cushion front opens and closes.

Vertical position motor

Receives signal from front power seat switch, and seat cushion front rises and
lowers vertically.

Lifter position motor

Receives signal from front power seat switch, and seat cushion rises and
lowers vertically.

Front lumbar support
motor

Receives signal from front power seat lumbar switch, and lumbar support can
be adjusted.

Seat position sensor

Is built into each seat adjuster and sends position data to front power seat
switch so that it can detect seat positions at all times.

Front power seat switch

Based on switches operated, seat adjuster signals are input into position
control ECU and seat is adjusted accordingly.

Front power seat lumbar
switch

Based on switches operated, seat adjuster signals are input into switch and
seat is adjusted accordingly.

Leg support adjustment
switch

Based on switches operated, seat adjuster signals are input into switch and
seat is adjusted accordingly.

Seat memory switch

When SET switch and memory switch are pressed simultaneously, signal is
input to outer mirror control ECU and seat position is recorded.
Then, when memory switch is pressed, signal is input to outer mirror control

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Seat - Tundra