Honda Civic 2021 Fuse Box Info
Passenger compartment fuse box location:
The interior fuse box is located under the dashboard.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 10A | Accessory |
| 2 |
- (5A) |
-*1 Key Lock*2 |
| 3 | - | - |
| 4 |
(5A) (10A) |
Front Sensor Camera*1 Transmission*2 |
| 5 | 10A | Option |
| 6 | 10A | SRS Indicator |
| 7 | 10A | Meter |
| 8 | 15A | Fuel Pump |
| 9 | 10A | AIRCON |
| 10 | - | - |
| 11 | 5A | Engine Control |
| 12 | 10A | Passenger Side Door Lock |
| 13 | (10A) | Driver Side Rear Door Unlock |
| 14 | (20A) | Rear Driver’s Side Power Window |
| 15 | 20A | Front Passenger’s Side Power Window |
| 16 | 20A | Door Lock |
| 17 |
(10A) (5A) |
Transmission*1 Front Sensor Camera*2 |
| 18 | - | - |
| 19 | (20A) | Moonroof* |
| 20 | - | - |
| 21 | 10A | ACG |
| 22 | 10A | Daytime Running Lights |
| 23 | - | - |
| 24 | (5A) | Front Sensor Camera |
| 25 | 10A | Driver’s Door Lock |
| 26 | 10A | Passenger Side Door Unlock |
| 27 | (20A) | Rear Passenger’s Side Power Window |
| 28 | 20A | Driver’s Power Window |
| 29 | 20A | Front Accessory Power Socket |
| 30 |
10A - |
Smart Entry*1 -*2 |
| 31 | (20A) | Driver’s Power Seat Reclining* |
| 32 | (20A) | Front Seat Heater* |
| 33 | (20A) | Driver’s Power Seat Sliding* |
| 34 | 10A | VSA/ABS |
| 35 | 10A | SRS |
| 36 | - | - |
| 37 | - | - |
| 38 | (10A) | Driver Side Rear Door Lock |
| 39 | 10A | Driver’s Door Unlock |
* Not available on all models
*1: Models with smart entry system
*2: Models without smart entry system
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 |
(60A) (30A) (50A) - 30A - 30A 125A |
Passenger’s Power Seat*/ Rear Seat Heaters* Cooling Fan*2 Cooling Fan*3 - IG Main*4 -*5 Headlight High Beam Main Battery |
| 2 |
70A 30A*4/50A*5 (40A) 60A 30A 30A |
EPS IG Main Fuse Box Option* Fuse Box Front Wiper Motor Headlight Low Beam Main |
| 3 |
40A 30A - 40A 40A 40A 40A |
Rear Defroster Starter Motor*4 -*5 Fuse Box ABS/VSA Motor ABS/VSA FSR Blower Motor |
| 4 |
- - - - |
- - - - |
| 5 | 5A | Cooling Fan |
| 6 | 15A | Washer |
| 7 | 15A | FI Main |
| 8 | 15A | FI Sub |
| 9 | 10A | Stop Lights |
| 10 | (15A) | Injector*3 |
| 11 | 5A | LAF |
| 12 | 10A | FI ECU |
| 13 | 10A | Parking Lights |
| 14 | 15A | Hazard |
| 15 | 15A | IG Coil |
| 16 | (15A) | Transmission |
| 17 | 10A | Daytime Running Lights |
| 18 | 10A | Back Up |
| 19 | 15A | Audio |
| 20 | (30A) | Audio AMP* |
| 21 | 10A | Interior Lights |
| 22 | (15A) | Front Fog Lights* |
| 23 | (10A) | A/C Compressor* |
| 24 | 10A | Horn |
| 25 | 10A | Left Headlight Low Beam |
| 26 | 10A | Right Headlight Low Beam |
| 27 | (10A) | VB ACT*3 |
| 28 | 10A | Left Headlight High Beam |
| 29 | 10A | Right Headlight High Beam |
| 30 | - | - |
| 31 | (15A) | Rear Seat Heaters* |
| 32 | (20A) | Passenger’s Power Seat Sliding* |
| 33 | (20A) | Passenger’s Power Seat Reclining* |
| 34 | - | - |
| 35 | - | - |
| 36 | - | - |
* Not available on all models
*1: Models with the smart entry system have an ENGINE START/STOP button instead of an ignition switch.
*2: 2.0L engine models
*3: 1.5L engine models
*4: Models with smart entry system
*5: Models without smart entry system
