| 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
Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor (PAG) oil varies according to compressor model.
Self Diagnosis 1. Self-diagnosis process. • When operating the self-diagnostics, the below fault(self-diagnostics code) will blink at 0.