Heated Seat Element
The wire harness connectors for the seat cushion and seat back heating elements are located under the seat, near the rear edge of the seat cushion frame.NOTE: WHEN CHECKING HEATED SEAT ELEMENTS FOR CONTINUITY, BE CERTAIN TO MOVE THE HEATING ELEMENT BEING CHECKED. MOVING THE ELEMENT; SUCH AS SITTING IN THE SEAT WILL ELIMINATE THE POSSIBILITY OF AN INTERMITTENT OPEN IN THE ELEMENT WHICH WOULD ONLY BE EVIDENT IF THE ELEMENT WAS MOVED IN A CERTAIN DIRECTION. FAILURE TO CHECK THE ELEMENT IN VARIOUS POSITIONS COULD RESULT IN AN INCOMPLETE TEST.
Seat Cushion
1. Unplug the 4-way heated seat cushion wire harness connector.
2. Check the continuity between the two heated seat driver circuit cavities of the seat cushion cover half of the heated seat cushion wire harness connector. If there is continuity go to Step 3, otherwise replace the faulty heated seat element.
3. Check the 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. Continuity should NOT be present, If OK go to the Seat Back test below, If NOT OK replace the faulty heated seat element.
Seat Back
1. Unplug the 2-way heated seat back wire harness connector.
2. Check the continuity between the heated seat driver circuit cavity and the ground cavity of the seat back cover half of the heated seat cushion wire harness connector. If there is continuity go to Step 3, otherwise replace the faulty heated seat element.
3. Check the continuity between the heated seat driver circuit cavity of the seat back cover half of the heated seat cushion wire harness connector and the seat back frame. Continuity should NOT be present, If OK test the heated seat sensor as described in this section, otherwise replace the faulty heated seat element.