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. 7
- No. 1 and No. 27
- No. 7 and No. 27
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.?
NO -
Replace the power seat adjustment switch.?
B1845
DTC Troubleshooting: B1845