6. Disconnect power seat control unit connector A (40P).
7. Disconnect the power seat adjustment switch 12P connector.
8. Check for continuity between body ground and power seat control unit connector A (40P) terminals No. 1, No. 4, and No. 5 individually.
Is there continuity?
YES -
Repair a short to ground in the wire.?
NO -
Go to step 9.
9. Check for continuity between these power seat control unit connector A (40P) terminals:
- No. 1 and No. 4
- No. 1 and No. 5
- No. 4 and No. 5
Is there continuity?
YES -
Repair a short in the wire.?
NO -
Go to step 10.
10. Do the power seat adjustment switch test See: Body and Frame/Seats/Power Seat Switch/Service and Repair/Power Seat Adjustment Switch
Test/Replacement.
Is the switch OK?
YES -
Replace the power seat control unit.?