Seat Temperature Element: Testing and Inspection

SEAT WARMER UNIT INSPECTION

Seat Cushion

1. Remove the following parts:
a. Front seat Front Seat Removal/Installation

b. Front seat side cover Front Seat Side Cover Removal/Installation

c. Front seat front cover Service and Repair

d. Front seat cushion trim Front Seat Cushion Trim Removal/Installation

2. 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.






3. When the ohmmeter indicates that there is no continuity, turn off the dryer, then use a thermometer to measure the temperature of the thermostat.






4. Verify that the temperature is approx. 37 °C {99 °F}.

5. 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 following parts:
a. Front seat Front Seat Removal/Installation

b. Front seat side cover Front Seat Side Cover Removal/Installation

c. Front seat front cover Service and Repair

d. Front seat cushion Front Seat Cushion Trim Removal/Installation

e. Front seat back trim Service and Repair

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.