Seat Heater Test (Seat Heaters)

Seat Heater Test

Driver's Seat

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

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

2. Remove the seat-back cover Service and Repair.

3. Lean the seat-back and 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. 2. There should be continuity.

5. If there is no continuity, 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 between terminals No. 2 and No. 3. There should be continuity.

9. If there is no continuity, replace the seat cushion heater.

Front Passenger's Seat

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

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

2. Disconnect the 4P connector from the seat heater.





3. Check for continuity between seat heater 4P 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 heater Service and Repair.