Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 52 (HEATING/AIR CONDITIONING SYSTEM)
2002 Honda Civic Si
Section 52 (Heating/Air Conditioning System)
2002 Honda Civic SiSECTION Section 52 (Heating/Air Conditioning System)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Honda Odyssey, 2003 Honda Odyssey, 2002 Honda Odyssey, 2001 Honda Odyssey, and 2000 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
- 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
- DTC Troubleshooting
- Recirculation Control Motor Circuit Troubleshooting
- Blower Motor Circuit Troubleshooting
- Heater Control Power and Ground Circuit Troubleshooting
- Radiator and Condenser Fan Low Speed Circuit Troubleshooting.
- Condenser Fan High Speed Circuit Troubleshooting
- Radiator and Condenser Fan High Speed Circuit Troubleshooting
- Compressor Clutch Circuit Troubleshooting
- A/C Pressure Switch Circuit Troubleshooting
- Air Mix Control Motor Test
- Air Mix Control Motor Replacement
- Mode Control Motor Test
- Mode Control Motor Replacement
- Recirculation Control Motor Test
- Recirculation Control Motor Replacement
- Evaporator Temperature Sensor Test
- Heater Fan Switch Test
- Heater Control Panel Removal and Installation
- Heater Control Panel Disassembly and Reassembly
- Evaporator Removal and Installation
- Evaporator & Expansion Valve Component Replacement
- Dust and Pollen Filter Replacement
- Blower Unit Removal and Installation
- Blower Unit Component Replacement
- Heater Unit/Core Replacement
- Heater Valve Cable Adjustment
- Compressor Replacement
- Compressor Clutch Check
- Compressor Clutch Overhaul
- Compressor Relief Valve Replacement
- Condenser Replacement
- Receiver/Dryer Desiccant Replacement
- Refrigerant Recovery
- System Evacuation
- System Charging
- Refrigerant Leak Test
- A/C System Test
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.