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.
Driver's Under-dash Fuse/Relay Box
2002 Honda Civic SiSECTION Driver's Under-dash Fuse/Relay Box
WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
DRIVER'S UNDER-DASH FUSE/RELAY BOX
| SOCKET | REF | Terminal | CONNECTION TO |
|---|---|---|---|
| A | 6 | 6 | Dashboard wire harness (see DASHBOARD WIRE HARNESS (LEFT BRANCH) ) |
| A\F SENSOR RELAY | 20 | 4 | Engine compartment wire harness (see ENGINE COMPARTMENT WIRE HARNESS (DASH BRANCH) ) |
| B | 12 | 6 | Engine compartment wire harness (see ENGINE COMPARTMENT WIRE HARNESS (DASH BRANCH) ) |
| C | 11 | 12 | Engine compartment wire harness (see ENGINE COMPARTMENT WIRE HARNESS (DASH BRANCH) ) |
| D | 13 | 17 | Engine compartment wire harness (see ENGINE COMPARTMENT WIRE HARNESS (DASH BRANCH) ) |
| Driver's accessory power socket relay | 19 | 4 | |
| E | 8 | 16 | Floor wire harness (see FLOOR WIRE HARNESS (LEFT FRONT BRANCH) ) |
| F | 9 | 14 | Floor wire harness (see FLOOR WIRE HARNESS (LEFT FRONT BRANCH) ) |
| G | 14 | 6 | Floor wire harness (see FLOOR WIRE HARNESS (LEFT FRONT BRANCH) ) |
| H | 15 | 14 | Floor wire harness (see FLOOR WIRE HARNESS (LEFT FRONT BRANCH) ) |
| Ignition coil relay | 23 | 4 | |
| J | 27 | 21 | Driver's door subharness (see DRIVER'S DOOR SUBHARNESS ) |
| K | 26 | 12 | Driver's door subharness (see DRIVER'S DOOR SUBHARNESS ) |
| M | 25 | 3 | MICU service connector |
| N | 2 | 45 | Dashboard wire harness (see DASHBOARD WIRE HARNESS (LEFT BRANCH) ) |
| P (MICU) | 17 | 30 | Engine compartment wire harness (see ENGINE COMPARTMENT WIRE HARNESS (DASH BRANCH) ) |
| PGM-FI main relay 1 (Fl MAIN) | 21 | 4 | |
| PGM-FI main relay 2 (FUEL PUMP) | 24 | 4 | |
| Power window relay | 22 | 4 | |
| Q (MICU) | 16 | 14 | Floor wire harness (see FLOOR WIRE HARNESS (LEFT FRONT BRANCH) ) |
| R (MES connector) | 3 | 2 | Dashboard wire harness (see DASHBOARD WIRE HARNESS (LEFT BRANCH) ) |
| S | 5 | 2 | |
| Starter cut relay | 18 | 4 | |
| T | 7 | 6 | Optional connector |
| Turn signal/hazard relay | 4 | 6 | Dashboard wire harness (see DASHBOARD WIRE HARNESS (LEFT BRANCH) ) |
| W | 10 | 5 | Roof wire harness (see ROOF WIRE HARNESS (WITH MOONROOF) ) |
| X | 1 | 39 | Dashboard wire harness (see DASHBOARD WIRE HARNESS (LEFT BRANCH) ) |
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.