Seat Temperature Element: Testing and Inspection
Seat Heater Test
Driver's Seat
1. Remove the driver's seat. Front Seat Removal/Installation
2. Disconnect the connector A (4P) and connector B (2P) from the seat heaters.
3. Check for continuity between seat heater connector A (4P) terminal No. 2, and seat heater connector B (2P) terminal No. 2. There should be continuity.
4. If the continuity is not as specified, replace the seat wire harness.
5. Check for continuity between seat heater connector B (2P) terminals No. 1 and No. 2. There should be continuity.
6. If the continuity is not as specified, replace the seat-back heater.
7. Reconnect seat heater connector B (2P) to the seat-back heater.
8. Check for continuity between seat heater connector A (4P) terminals No. 2 and No. 3, and terminals No. 3 and No. 4. 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. Front Seat Removal/Installation
2. Disconnect the 4P connector (A) from the seat cushion heater.
3. Check for continuity between seat cushion heater 3P connector terminals No. 2 and No. 3 and terminals No. 4 and No. 3. There should be continuity.
4. If the continuity is not as specified, replace the seat cushion heater.