Seat Temperature Element: Testing and Inspection

SEAT WARMER UNIT INSPECTION [EXCEPT L3 WITH TC]

Seat Cushion
1. Remove the front seat.
2. Remove the seat cushion trim.






3. While inspecting for continuity between the connector terminals A and B, use a dryer to warm the thermostat of the seat warmer unit on seat cushion.






4. When the ohmmeter indicates that there is no continuity, turn off the dryer, then use a thermometer to measure the temperature of the thermostat.
5. Verify that the temperature is approx. 37 °C {99 °F}.






6. Using an ohmmeter, verify that there is continuity between the seat warmer unit connector terminals when temperature drops to approx. 28 °C {82 °F}.
- If not as indicated in the table, replace the seat warmer unit.

Seat Back
1. Remove the front seat.
2. Verify that the continuity between terminals A and B is as indicated in the table.
- If not as indicated in the table, replace the seat warmer unit.