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 50 (KEYLESS/POWER DOOR LOCK SYSTEM)
2002 Honda Civic Si
Section 50 (Keyless/Power Door Lock System)
2002 Honda Civic SiSECTION Section 50 (Keyless/Power Door Lock 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.
- Power Door Locks/Factory Keyless/Factory Security
- Component Location Index
- System Description
- Circuit Diagram - With Security System
- Circuit Diagram - Without Security System
- Control Unit Input Test
- Keyless Receiver Unit Input Test
- Transmitter Test
- Transmitter Programming
- Door Lock Actuator Test
- Door Lock Knob Switch Test
- Door/Tailgate Key Cylinder Switch Test
- Door Lock Switch Test
- Tailgate Lock Actuator Test
- Tailgate Lock Knob Switch Test
- Hood Switch 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.