The fifth-generation Subaru Impreza is built on an all-new modular platform. The lineup includes sedan (GK) and hatchback (GT) body styles. The vehicle is equipped with a horizontally opposed four-cylinder engine paired with an all-wheel-drive system. Below is a detailed guide to the fuse box diagrams for the Subaru Impreza (5th Gen; chassis code GK, GT) for model years 2017, 2018, 2019, and 2020.
Here you will find component locations and photos of the power distribution boxes. Fuses for the “Cigarette Lighter” and “Fuel Pump” are highlighted in bold.
Engine Compartment
The fuse box is located on the left side of the engine compartment.
Fuse box cover removal.
| Diagram | ||
|---|---|---|
 |
||
| No. | Description | A |
| A | Main Fuse | |
| 1 | Horn | 7.5 |
| 2 | 7.5 | |
| 3 | Right Headlight (Low Beam) | 15 |
| 4 | Left Headlight (Low Beam) | 15 |
| 5 | Active Grille Shutter (ACTGS) (2017–2018) | 7.5 |
| 6 | Right Headlight (High Beam) | 10 |
| 7 | Left Headlight (High Beam) | 10 |
| 8 | Tail Lights | 10 |
| 9 | Occupant Detection System | 10 |
| 10 | On-Board Diagnostics (OBD) System | 7.5 |
| 11 | Backup Light Switch | 7.5 |
| 12 | Junction Box B (JB-B) | 30 |
| 13 | Hazard Flasher | 15 |
| 14 | Fuel Pump | 20 |
| 15 | Dealer Option (+B) / Empty | 7.5 |
| 16 | Main Body Control Module (MB-B) | 10 |
| 17 | Power Door Locks | 15 |
| 18 | Data Communication Module (DCM) | 10 |
| 19 | Vehicle Speed Sensor | 20 |
| 20 | Continuously Variable Transmission (CVT) Control | 7.5 |
| 21 | Ignition Coils | 15 |
| 22 | A/C Compressor, AVCS Solenoid Valve | 10 |
| 23 | Engine Control System (E/G2) | 10 |
| 24 | Empty | - |
| 25 | Empty | - |
| 26 | Heated Oxygen Sensor Relay | 20 |
| 27 | Engine Control System (E/G1) | 15 |
| 28 | Empty | - |
| 29 | Power Door Locks, Audio System, Clock, Backup Lights | 30 |
| 30 | Rear Window Defogger | 25 |
| 31 | Audio System | 20 |
| 32 | Vehicle Dynamics Control Solenoid (VDC SOL) | 30 |
| 33 | Main Radiator Cooling Fan | 25 |
| 34 | Auxiliary Radiator Cooling Fan | 25 |
| 35 | Windshield De-Icer Relay | 10 |
| 36 | Front Fog Lights | 15 |
| 37 | Blower Motor | 15 |
| 38 | 15 | |
| 39 | Empty | - |
| 40 | Front Wipers | 30 |
| 41 | Front Windshield Washer | 15 |
| 42 | Rear Wiper | 15 |
| 43 | Empty | - |
| 44 | Empty | - |
Passenger Compartment
Located on the driver’s side under the dashboard, behind the access panel cover.
Fuse box access and panel removal.
| Diagram | ||
|---|---|---|
 |
||
| No. | Description | A |
| 1 | Empty | - |
| 2 | Cigarette Lighter | 20 |
| 3 | IG A-1 | 7.5 |
| 4 | Audio System, Navigation | 15 |
| 5 | IG B-2 | 15 |
| 6 | Empty | - |
| 7 | 12V Power Outlet | 15 |
| 8 | Air Conditioning System | 15 |
| 9 | Air Conditioning System | 7.5 |
| 10 | IG B-1 | 7.5 |
| 11 | Empty | - |
| 12 | Empty | - |
| 13 | IG A-3 | 7.5 |
| 14 | UNIT + B | 7.5 |
| 15 | Instrument Cluster | 7.5 |
| 16 | Empty | - |
| 17 | Power Rearview Mirrors | 7.5 |
| 18 | LAMP IG | 7.5 |
| 19 | IG A-2 | 10 |
| 20 | Airbag System (SRS) | 10 |
| 21 | Empty | - |
| 22 | STRG / H | 15 |
| 23 | Daytime Running Lights (DRL) | 10 |
| 24 | Empty | - |
| 25 | Empty | - |
| 26 | Diagnostic Memory / Audio Backup Power | 10 |
| 27 | A/C (+B) (2019) | - |
| 28 | Rear Fog Lights | 20 |
| 29 | Empty | - |
| 30 | Empty | - |
| 31 | Empty | - |
| 32 | Position Lights, License Plate Light, Parking Lights, Instrument Cluster Illumination | 7.5 |
| 33 | Ignition Switch, Starter | 7.5 |
| 34 | Empty | - |
| 35 | Empty | - |
| 36 | Ignition Switch, Starter | 7.5 |
| 37 | Stop Lamps | 7.5 |
| 38 | EyeSight System | 7.5 |