Seat Heater Test

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 panel Service and Repair.

3. Disconnect 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 there is no continuity, 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 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 there is no continuity, replace the seat cushion heater.

Rear Seat

1. Remove the rear seat cushion Rear Seat Removal / Installation.

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





3. 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.

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