Diesel Data: Automotive Repair

Seat Temperature Element: Testing and Inspection




Seat Heater Test

NOTE: SRS components are located in the area. Review the SRS component locations Locations, and precautions and procedures Service and Repair before doing repairs or servicing.

Driver's Seat ('07 model)

1. Remove the driver's seat Front Seat Removal/Installation.

2. Disconnect the 3P connector (A) and 2P connector (B) from the seat heater.






Seat-back

3. Check for continuity between seat-back heater 2P connector terminals No. 1 and No. 2. There should be continuity.

Seat Cushion

4. Reconnect the seat-back heater 2P connector.

5. Check for continuity between seat cushion heater 3P connector terminals No. 1 and No. 2, and terminals No. 2 and No. 3. There should be continuity.

6. If the continuity is not as specified, replace the appropriate seat heater.

Driver's Seat ('08-11 models)

1. Remove the driver's seat Front Seat Removal/Installation.

2. Disconnect the 4P connector (A) and 2P connector (B) from the seat heater.






Seat-back

3. Check for continuity between seat-back heater 2P connector terminals No. 1 and No. 2. There should be continuity.

Seat Cushion

4. Check for continuity between seat cushion heater 4P connector terminals No. 2 and No. 3, and terminals No. 2 and No. 4. There should be continuity.

5. If the continuity is not as specified, replace the appropriate seat heater. If the continuity is as specified, but the seat heater does not work, check for an open in the wire between seat cushion heater 4P connector terminal No. 2 and seat-back heater 2P connector terminal No. 2, and seat-back heater 2P connector terminal No. 1 and body ground.

Front Passenger's Seat

1. Remove the front passenger's seat Front Seat Removal/Installation.

2. Disconnect the 3P connector (A) from the seat heater.





3. Check for continuity between seat cushion heater 3P connector terminals No. 1 and No. 3, and terminals No. 2 and No. 3. There should be continuity.

4. If the continuity is not as specified, replace the seat cushion heater.