TL FWD V6-3.5L (2009)
Seat Heater: Testing and Inspection
Seat Heater Test
Driver's Seat
1. Remove the driver's seat. See: Service and Repair/Front Seat Removal/Installation
2. Remove the seat-back cover. See: Seat Cover/Service and Repair/Front Seat-Back Cover Replacement
3. Disconnect the connector A (3P) and connector B (2P) from the seat heaters.
4. Check for continuity between seat heater connector A (3P) terminal No. 3, and seat heater connector B (2P) terminal No. 1. There should be
continuity.
5. If the continuity is not as specified, replace the seat wire harness.
6. Check for continuity between seat heater connector B (2P) terminals No. 1 and No. 2. There should be continuity.
7. If the continuity is not as specified, replace the seat-back heater.
8. Check for continuity between seat heater connector A (3P) terminals No. 1 and No. 3, and terminals No. 2 and No. 3. There should be continuity.
9. If the continuity is not as specified, replace the seat cushion heater.
Front Passenger's Seat
1. Remove the front passenger's seat. See: Service and Repair/Front Seat Removal/Installation
2. Disconnect the 4P connector (A) from the seat heater.
3. Check for continuity between seat heater 4P connector terminals No. 2 and No. 4 and terminals No. 3 and No. 4. There should be continuity.
