Initial Inspection and Diagnostic Overview

SEAT: FRONT POWER SEAT CONTROL SYSTEM: OPERATION CHECK

1. CHECK POWER SEAT FUNCTION

(a) Check the basic function.





(1) Operate the lumbar support switch and check to make sure the seat function works:

* Lumbar support function (*1)

2. CHECK LUMBAR SUPPORT MOTOR

(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 (verify when current is shut off or listening for the motor to stop).

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.