Seat Heater Test
Seat Heater Test1. Remove the driver's or front passenger's seat.
2. Disconnect the 3P (A) and 2P (B) connectors from the seat heater.
3. Check for continuity between the seat heater connector B (2P) No. 1 and No. 2 terminals. There should be continuity.
4. Reconnect the seat heater connector B (2P) to the seat-back heater.
5. Check for continuity between the seat heater connector A (3P) No. 1 and No. 2 terminals, No. 2 and No. 3 terminals, and No. 1 and No. 3 terminals. There should be continuity.
6. If the continuity is not as specified, replace the appropriate seat heater.