1. | Remove the driver's or front passenger's seat. |
2. | Disconnect the 3P connector (A) and 2P connector (B) from the seat heater. Driver's Seat Front Passenger's Seat |
3. | Check for continuity between the No. 1 and No. 2 terminals of the seat-back heater 2P connector. There should be continuity. |
4. | Reconnect the 2P connector (B), check for continuity between the No. 1 and No. 2 terminals, the No. 1 and No. 3 terminals of the 3P connector, and the No. 2 and No. 3 terminals of the 3P connector. There should be continuity. |
5. | If the continuity check is not as specified, replace the appropriate seat heater. |