| Component Location |

| 1. Seat heater unit (Assist seat
only) 2. Front seat cushion heater |
3. Front seat back heater |
Circuit Diagram [Front Seat Heater] NO Description 1 ECU Battery(+) 2 ECU Battery(+) 3 Passenger heater power 4 Passenger NTC (+) 5 Passenger heater indicator (Low) 6 - 7 Passenger heater indicator (High) 8 - 9 ILL (-) 10 Passenger heater switch 11 Passenger NTC (-) 12 Passenger heater GND 13 ECU GND 14 IGN 1 15 IGN 2 16 Drive heater power 17 Drive NTC (+) 18 Drive heater indicator (Low) 19 - 20 Drive heater indicator (High) 21 - 22 DETENT 23 Drive heater switch 24 Drive NTC (-) 25 Drive heater GND 26 ECU GND
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the mode control actuator connector. 3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 4.