| Component Location Index |

| 1. Service port
(High pressure) 2. A/C pressure transducer (APT) 3. Service port (Low pressure) |
4. Compressor 5. Suction & Liquid pipe assembly 6. Expansion valve |

| 1. Auto defogging
sensor 2. Photo Sensor 3. Heater & Blower unit |
4. Air filter 5. Evaporator Temperature Sensor 6. Heater & A/C control unit |
Refrigeration Cycle
Refrigerant System Service Basics (R-134a) Refrigerant Recovery Use only service equipment that is U.L-listed and is certified to meet the requirements of SAE J2210 to remove HFC-134a(R-134a) from the air conditioning system.
Troubleshooting Problem Symptoms Table Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor. Use the table below to help you find the cause of the problem.
Inspection 1. Check the condenser fins for clogging and damage. If clogged, clean them with water, and blow them with compressed air. If bent, gently bend them using a screwdriver or pliers. 2.