Malfunction Of Reclining Operation

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

CHECK SWITCH .
1. Turn the ignition switch to OFF.
2. Disconnect the power seat switch connector.
3. Measure the resistance between connector terminals when moving the switch to reclining forward and reclining backward. Ref. to SEATS>POWER SEAT>INSPECTION>POWER SEAT SWITCH
Is the inspection result normal?

Yes : Go to 2.

No : Replace the power seat switch assembly. Ref. to SEATS>POWER SEAT
CHECK HARNESS .
1. Disconnect the reclining motor connector.
2. Measure the resistance between power seat switch connector and reclining motor connector.
  Connector & terminal
  
  Except for RECARO® seat
  
  (St52) No. 3 - (St64) No. 6:
  
  (St52) No. 8 - (St64) No. 4:
  
  RECARO® seat
  
  (St52) No. 10 - (St64) No. 6:
  
  (St52) No. 5 - (St64) No. 4:
Is the resistance less than 10 Ω?

Yes : Go to 3.

No : Check power seat harness.
CHECK RECLINING MOTOR .
1. Connect the power seat switch connector and reclining motor connector.
2. Apply battery voltage to the reclining motor and check the motor rotation.
  Connector & terminal
  
  (St64) No. 6 (+) - (St64) No. 4 (-):
  
  (St64) No. 4 (+) - (St64) No. 6 (-):
Does the motor rotate normally?

Yes : Check for temporary poor contact or mechanical trouble in reclining hinge.

No : Reclining motor problem. Replace the backrest frame assembly.