Operation CHARM: Car repair manuals for everyone.

Seat Temperature Element: Testing and Inspection

SEAT WARMER UNIT INSPECTION

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 approximately 29 °C {84 °F}.
6. Using an ohmmeter, verify that there is continuity between the seat warmer unit connector terminals when temperature drops to approximately 20 °C {68 °F}.