SYSTEM DESCRIPTION
1. FRONT POWER SEAT CONTROL SYSTEM DESCRIPTION
2. FUNCTION OF MAIN COMPONENT
Component |
Function |
|
---|---|---|
Position control ECU and switch assembly |
Based on the switch operation, seat adjuster signals are input to the position control ECU and switch assembly to adjust the seat accordingly. |
|
Front seat frame with adjuster assembly LH |
Slide motor |
Receives a signal from the position control ECU and switch assembly, and slides the seat forward and rearward. |
Front vertical motor |
Receives a signal from the position control ECU and switch assembly, and raises and lowers the front of the seat cushion. |
|
Lifter motor |
Receives a signal from the position control ECU and switch assembly, and raises and lowers the seat cushion. |
|
Position sensor |
Built into each motor and sends position data to the position control ECU and switch assembly so that it can detect the position at all times. |
|
Reclining motor |
Receives a signal from the position control ECU and switch assembly, and tilts the seatback forward and rearward. |
|
Lumbar support adjuster assembly |
Receives a signal from the front lumbar power seat switch and operates the built-in motor to adjust the lumbar support. |
|
Seat memory switch |
If the seat memory SET switch is being pressed when one of the M1 or M2 seat memory switches is pressed, or if one of the M1 or M2 switches is pressed within 3 seconds of pressing the SET switch, the outer mirror control ECU assembly LH sends the signals so that the seat position can be stored. Then, when a seat memory switch is pressed, a signal is sent to the outer mirror control ECU assembly LH and the seat position changes according to memory. |
|
Front lumbar power seat switch |
Operates the motor built into lumbar support adjuster assembly according to switch operation. |
3. SYSTEM OPERATION
The front power seat functions which can be operated with the power seat motors and memorized are shown below.
Seat Function |
Driver Seat |
---|---|
Slide |
Power and Memory |
Reclining |
Power and Memory |
Front Vertical |
Power and Memory |
Lifter |
Power and Memory |
Lumbar Support adjustment |
Power |
The seat memory switch sends memory switch information to the outer mirror control ECU assembly LH. Then the information is sent to the main body ECU (driver side junction block assembly) via CAN and then an instruction to memorize the seat position is sent to the position control ECU and switch assembly via CAN. As a result, the seat position is memorized.
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Outer Rear View Mirror Glass
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT OUTER MIRROR RH
(a) Check the outer mirror heater operation.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistanc ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful bec ...