| Component Location Index |

| 1. Expansion valve 2. Service port (Low pressure) 3. Service port (High pressure) 4. Discharge hose | 5. Suction & Liquid tube assembly 6. Electric A/C compressor 7. Condenser |

| 1. Auto defogging sensor 2. Photo sensor | 3. Heater & A/C control unit 4. Heater & Blower unit |
Refrigerant System Service BasicsRefrigerant Identification• Do not mix HFO-1234yf (R-1234yf) in the vehicle with other refrigerant, such as R-12, R-134a and etc.
Oil Specification1.The HFC-134a system requires synthetic (POE) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed.