The 2003 Honda Civic (hatchback model) air conditioning system removes heat from the passenger compartment by circulating refrigerant through system. This vehicle uses HFC-134a (R-134a)refrigerant which does not contain chlorofluorocarbons. The air conditioning system composed of compressor, discharge line, evaporator, condenser, receiver/dryer, expansion valve, O-ring for joints).
The following file outlines detail information regarding Honda Civic 2002 – 2003 Hatchback series Ventilation, Heating, Air Conditioning (HVAC) – Troubleshooting, Service and Repair procedures. Herein you will find some hints for problems such as recirculation control doors do not change between fresh and recirculate, both heater and A/C do not work, condenser fan does not run at all (but radiator runs with the A/C on), compressor clutch does not engage, etc. This file also covers topics on:
"special tools, component location index, A/C service tips and precautions, A/C refrigerant oil replacement, general troubleshooting information, DTC troubleshooting index, symptom troubleshooting index, system description, circuit diagram, recirculation control motor, heater control power, condenser fan, blower unit, etc"
Find more information about Honda Civic Heating Air Conditioning HVAC- Troubleshooting Service Repair here (27 MB PDF file) – on page 773 – 830.
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