Toyota Tundra Service Manual: System Description

SYSTEM DESCRIPTION

1. FRONT POWER SEAT CONTROL SYSTEM DESCRIPTION

(a) The driver seat is equipped with slide, reclining, lifter, 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.

(d) The memory call function for the driver seat is provided as standard equipment.

2. FUNCTION OF MAIN COMPONENT

The following functions are available.

Components

Function

Front seat cushion frame sub-assembly

Slide motor

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

Vertical motor*1

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

Lifter motor*1

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

Front power seat cushion control motor LH*1

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

Front seatback frame sub-assembly

Reclining motor

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

Lumbar support adjuster assembly

Front lumbar support motor

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

Seat position sensor*1

Based on the switch operation, seat adjuster signals are input to the power seat switch to adjust the seat accordingly.

Position control ECU and switch assembly*1

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

Front power seat switch RH*2

Operates the motor built into the lumbar support adjuster assembly according to switch operation.

Front power seat switch (lumbar support control)

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

Front power seat switch LH (seat cushion control)*1

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

Seat memory switch*1

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 ECU and seat position changes according to memory.

  • *1: for Driver Side
  • *2: for Passenger Side
    Problem Symptoms Table

    System Diagram

    See More:

    Toyota Tundra Service Manual > Lane Departure Alert System: Dtc Check / Clear
    DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Chassis / LKA/LDA / Trouble Codes. (e) Check for DTCs. Click here CLEAR DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2024 Copyright www.ttundra.com
    0.0092