Honda Civic Hatchback Fuse Box: What Each Fuse Does
From the 2021 Honda Civic Hatchback owner's manual. 2 fuse boxes listed.
Engine compartment fuse box
| Fuse | Amps | Circuit |
|---|---|---|
| 1 | 60 A | Option Block 1* |
| 2 | 70 A | EPS |
| 3 | 40 A | Rear Defroster |
| 5 | 5 A | Cooling Fan*4 |
| 6 | 15 A | Washer |
| 8 | 10 A | Stop Lights |
| 9 | 15 A | FI Sub |
| 11 | 5 A | LAF |
| 12 | 10 A | FI ECU |
| 13 | 15 A | Hazard |
| 15 | 15 A | IG Coil |
| 18 | 10 A | Back Up |
| 20 | 10 A | Parking Lights |
| 21 | 10 A | Interior Lights |
| 23 | 10 A | A/C Compressor |
| 24 | 10 A | Horn |
| 26 | 10 A | Left Headlight Low Beam |
| 27 | 10 A | Right Headlight Low Beam |
| 29 | 10 A | Left Headlight High Beam |
| 30 | 10 A | Right Headlight High Beam |
Source: owner's manual, PDF page 677.
Interior fuse box
| Fuse | Amps | Circuit |
|---|---|---|
| 1 | 10 A | Accessory |
| 7 | 10 A | Meter |
| 9 | 10 A | AIRCON |
| 15 | 20 A | Front Passenger’s Side Power Window |
| 16 | 20 A | Door Lock |
| 21 | 10 A | ACG |
| 28 | 20 A | Driver’s Power Window |
| 29 | 20 A | Front Accessory Power Socket |
| 34 | 10 A | VSA/ABS |
| 35 | 10 A | SRS |
Source: owner's manual, PDF page 679.
Listings are copied as text from the manual's fuse tables (AI-assisted; every circuit name was matched against the cited pages 2026-10-18). Fuse layouts can differ by trim and year; check the label on the fuse box cover before replacing a fuse, and always use the same amp rating.
Confirm with your own manual, dipstick or door-jamb label.
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