Fuse and relay box diagrams – Honda Civic
Applies to vehicles manufactured over the years:
1988, 1989, 1990, 1991.
Passenger compartment fuse box
| Number | Amps [A] | Description |
| 1 | 10 | Integrated control unit, combination switch, instrument panel, light reversing switch, shift console switch, clock (’90), shift lock solenoid (’90), lock control unit (’90), automatic seat belts |
| 2 | 10 | Start solenoid, PGM-FI main relay, electronic control unit PGM-FI, integrated control unit |
| 3 | 20 | Electric Door Locks |
| 4 | 10 | High beam right, high beam indicator lamp, daytime running light relay |
| 5 | 10 | Left leading light |
| 6 | 30 | Solar Roof Engine |
| 7 | 10 | Tail lights |
| 8 | 10 | Integrated control unit, indoor and outdoor lighting |
| 9 | – | – |
| 10 | 10 | Low beam left headlight |
| 11 | 10 | Dipped-beam headlight on the right |
| 12 | 15 | Integrated control unit, starter light, dome light, ignition switch, clock, radio, cigarette lighter |
| 13 | 15 | Power windows, wipers and washers, sunroof relay (’90), integrated control unit, combination switch (’90 CRX) |
| 20 | Power windows, wipers and washers, sunroof relay (’90), integrated control unit, combination switch (’90 CRX) | |
| 14 | 10 | Civic: mounting indicators, sensor and engine controls |
| 10 | Wagon, CRX: indicator assembly, engine sensor and control, PGM-FI main relay, PGM-FI ECU, fuel pump, ELD unit, EACV | |
| 15 | 15 | Cooling fan motor (except 4WD A/T wagon), cooling fan relay |
| 16 | 10 | Daytime Running Lights |
| 17 | 10 | Radio, relay lighter (’90) |
| 18 | 10 | Rear window defroster, electric side mirrors, air conditioning |
| 19 | 30 | Fan motor |
| 20 | 20 | Front right window |
| 21 | 20 | Front left window |
| 22 | 20 | Rear right window |
| 23 | 20 | Rear left window |
Fuse box in engine compartment
| Number | Amps [A] | Description |
| 1 | 60 | Power Distribution |
| 2 | 50 | Instrument panel fuse box |
| 3 | 40 | Fuse box, outdoor lighting |
| 4 | 10 | PGM-FI electronic control unit, emergency lights, A/T control unit (wagon), integrated control unit (’90), automatic shoulder straps (’90) |
| 5 | 15 | Horns, brake lights, A/T control unit (wagon), key lock solenoid (A/T only), seat belt retractors (’90) |
| 6 | 20 | Rear window defogger |
| 7 | 15 | PGM-FI main relay |
| 8 | 15 | A/C compressor clutch, condenser fan relay |
