Front Power Seat Control System

FRONT POWER SEAT CONTROL SYSTEM

ON-VEHICLE INSPECTION

1. CHECK POWER SEAT FUNCTION





a. Check the basic functions.
1. Operate the power seat switches and check the following seat functions:
- Sliding
- Reclining
- Front vertical (Driver side seat only)
- Lifter (Driver side seat only)
- Lumbar support (Driver side seat only)

2. CHECK POWER SEAT MOTOR ASSEMBLY (SLIDING, FRONT VERTICAL, LIFTER AND RECLINING FUNCTION)
a. Inspect the PTC operation inside the power seat motor.

NOTICE: The inspection should be performed with the seat installed in the vehicle.

1. Move the seat to any of the maximum position by operating the power seat switch, and keep the seat there for approximately 60 seconds.
2. Try to move the power seat beyond the maximum position using the power seat switch. Measure the time needed for shutting off the electrical current after the lumbar support stops moving. (motor operation sound will stop, inspection of current shut-off).

Standard: 4 to 90 seconds

3. Release the power seat switch, and wait for approximately 60 seconds.
4. Operate the power seat switch to move the seat to the opposite position and check that the motor operates.

3. CHECK LUMBAR SUPPORT ADJUSTER ASSEMBLY
a. Inspect the PTC operation inside the power seat motor.

NOTICE: The inspection should be performed with the seat installed in the vehicle.

1. Move the lumbar support to either the foremost or rearmost position by operating the lumbar support switch, and keep it there for approximately 60 seconds.
2. Try to move the lumbar support beyond the maximum position using the switch. Measure the time needed for shutting off the electrical current after the lumbar support stops moving, (motor operation sound will stop, inspection of current shut-off).

Standard: 4 to 90 seconds

3. Release the lumbar support switch, and wait for approximately 60 seconds.
4. Operate the lumbar support switch to move the lumbar support to the opposite position and check that the motor operates.