Honda Fit Fuse Box: What Each Fuse Does
From the 2020 Honda Fit owner's manual. 4 fuse boxes listed.
Engine Compartment Fuse Box - Fuse box A
Location: Located near the brake fluid reservoir.
| Fuse | Amps | Circuit |
|---|---|---|
| 1 | 20 A | Headlight Low Beam Main |
| 2 | 30 A | CDC* |
| 3 | 10 A | Hazard |
| 4 | 15 A | DBW |
| 5 | 30 A | Wiper |
| 6 | 10 A | Stop |
| 7 | 15 A | IGP |
| 8 | 15 A | IG Coil |
| 9 | 10 A | EOP* |
| 10 | 20 A | INJ |
| 11 | – | – |
| 12 | 30 A | Main Fan |
| 13 | 30 A | Starter SW |
| 14 | 7.5 A | MG Clutch |
| 15 | 7.5 A | Battery Sensor |
| 16 | – | – |
| 17 | 7.5 A | Daytime Running Lights |
| 18 | 10 A | Horn |
| 19 | 15 A | Fog Light* |
| 20 | 7.5 A | UB ECU* |
| 21 | 15 A | Back Up Main |
| 22 | 7.5 A | Interior Lights |
| 23 | 30 A | Sub Fan |
| 24 | – | – |
| 25 | 7.5 A | Smart Entry Auto Start*2 |
| 26 | 7.5 A | ST MG*3 |
| 27 | – | – |
| 28 | – | – |
| 29 | 10 A | Back Up |
| 30 | 10 A | IGP LAF |
| 31 | 7.5 A | IGPS |
| 32 | 10 A | Right Headlight Low Beam |
| 33 | 10 A | Left Headlight Low Beam |
Source: owner's manual, PDF page 568.
Engine Compartment Fuse Box - Fuse box B
| Fuse | Amps | Circuit |
|---|---|---|
| a | 100 A | Battery Main |
| b | 70 A | RB Main 1 |
| c | 80 A | RB Main 2 |
| d | 70 A | CAP Main |
Source: owner's manual, PDF page 569.
Interior Fuse Boxes - Fuse box A
Location: Located behind the instrument panel.
| Fuse | Amps | Circuit |
|---|---|---|
| 1 | 20 A | Door Lock |
| 2 | – | – |
| 3 | 10 A | Smart* |
| 4 | 15 A | Driver Side Door Unlock |
| 5 | 15 A | Passenger Side Door Unlock |
| 6 | 10 A | Driver Door Unlock |
| 7 | 10 A | Driver Door Lock |
| 8 | 20 A | Driver’s Power Window |
| 9 | 20 A | Passenger’s Power Window |
| 10 | 20 A | Rear Left Power Window |
| 11 | 20 A | Rear Right Power Window |
| 12 | 15 A | Driver Side Door Lock |
| 13 | 15 A | Passenger Side Door Lock |
| 14 | – | – |
| 15 | 10 A | Right Headlight High Beam |
| 16 | 7.5 A | STS* |
| 17 | 20 A | ACC Socket Console* |
| 18 | 20 A | Moonroof* |
| 19 | 20 A | Front Seat Heater* |
| 20 | – | – |
| 21 | – | – |
| 22 | 15 A | Washer |
| 23 | 10 A | Rear Wiper* |
| 24 | 7.5 A | A/C |
| 25 | 7.5 A | Daytime Running Lights |
| 26 | 7.5 A | Starter Cut |
| 27 | 7.5 A | ABS/VSA |
| 28 | 10 A | SRS |
| 29 | 10 A | Left Headlight High Beam |
| 30 | 10 A | ACG |
| 31 | 10 A | Power Window |
| 32 | 15 A | Fuel Pump |
| 33 | 7.5 A | SRS |
| 34 | 7.5 A | Meter |
| 35 | 7.5 A | Mission SOL |
| 36 | 20 A | Front ACC Socket |
| 37 | 7.5 A | ACC |
| 38 | 7.5 A | ACC Key Lock |
| 39 | 10 A | Option |
| 40 | 10 A | Rear Wiper |
| 41 | – | − |
| 42 | – | − |
Source: owner's manual, PDF page 570.
Interior Fuse Boxes - Fuse box B
| Fuse | Amps | Circuit |
|---|---|---|
| 1 | 70 A | EPS |
| 1 | 50 A | Fuse Box Main 2 |
| 1 | 40 A | ABS/VSA Motor |
| 1 | 30 A | Fuse Box Main 1 |
| 1 | 40 A | Fuse Box Main 3 |
| 2 | – | – |
| 3 | 30 A | Heater |
| 4*1 | 30 A | IG Main 2 |
| 4*2 | – | – |
| 5 | 30 A | ABS/VSA FSR |
| 6 | – | – |
| 7 | – | – |
| 8 | 7.5 A | Front Sensor Camera |
| 9 | 10 A | Small Light |
| 10 | 20 A | ACC Socket (Console)* |
| 11 | 30 A | Rear Defogger |
| 12*1 | – | − |
| 12*2 | 7.5 A | ACC Key Lock |
| 13 | 10 A | Heated Door Mirror* |
| 14 | 7.5 A | A/C Blower SW |
| 15*1 | – | – |
| 15*2 | 30 A | Wiper |
Source: owner's manual, PDF page 571.
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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