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.
Under-hood Fuse/Relay Box
2002 Honda Civic SiSECTION Under-hood Fuse/Relay Box
WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
FUSE/RELAY DESCRIPTION
| Socket | Ref | Terminal | Connects to |
|---|---|---|---|
| A | 15 | 18 | Right engine compartment wire harness
|
| A/C compressor clutch relay | 8 | 4 | |
| A/C condenser fan relay | 6 | 4 | |
| B | 14 | 7 | Right engine compartment wire harness
|
| Blower motor relay | 5 | 4 | |
| C | 13 | 3 | Right engine compartment wire harness
|
| D | 12 | 16 | Right engine compartment wire harness
|
| Diode | 3 | - | Not used |
| ELD unit | 9 | 3 | Right engine compartment wire harness
|
| Horn relay | 4 | 4 | |
| Headlight relay 1 (right) | 1 | 4 | |
| Headlight relay 2 (left) | 2 | 4 | |
| Radiator fan relay | 7 | 4 | |
| T1 | 11 | Starter cable (see STARTER CABLE ) | |
| T101 | 10 | Alternator +B cable |
RENDER: 1.0x
NO RELATED
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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.