Malfunction of lifter operation

1. Disconnect the power seat switch connector.
2. Measure the resistance between connector terminals when moving the switch to lifter up and lifter down. Ref. to SEATS>POWER SEAT SYSTEM>INSPECTION>CHECK POWER SEAT SWITCH .

Is the inspection result normal?

Yes:  Go to  2.

No:  Replace the power seat switch assembly.

1. Disconnect the lifter motor connector.
2. Measure the resistance between power seat switch connector and lifter motor connector.

   Connector & terminal 

   (R200) No. 6 - (R204) No. 6:

   (R200) No. 9 - (R204) No. 4:

Is the resistance less than 10 Ω?

Yes:  Go to  3.

No:  Check power seat harness.

1. Connect the power seat switch connector and lifter motor connector.
2. Apply 12 V to the lifter motor and check the motor rotation.

   Connector & terminal 

   (R204) No. 6 (+) - (R204) No. 4 (-):

   (R204) No. 4 (+) - (R204) No. 6 (-):

Does the motor rotate normally?

Yes:  Check for temporary poor contact or mechanical trouble in lifter mechanism.

No:  Lifter motor problem. Replace the seat cushion frame assembly.