Seat Cushion: Testing and Inspection
1. Disconnect and isolate the battery negative cable. Unplug the 4-way heated seat cushion wire harness connector.2. Check for continuity between the two heated seat driver circuit cavities of the seat cushion cover half of the heated seat cushion wire harness connector. There should be continuity. If OK, go to Step 3. If not OK, replace the faulty seat cushion cover.
3. Check for continuity between one of the heated seat driver circuit cavities of the seat cushion cover half of the heated seat cushion wire harness connector and the seat cushion frame. There should be no continuity. If OK, go to the Seat Back test. If not OK, replace the faulty seat cushion cover.