Subaru WRX (2022 – 2024) Fuse Box Diagrams & Location
The Subaru WRX (2022–2024) fuse box protects essential electrical systems throughout the vehicle. This blog provides clear fuse box locations and diagrams to help you quickly identify fuse positions, ratings, and related components. Use the information to simplify electrical troubleshooting and locate the correct fuse when needed.
Fuse Box Location
Passenger Compartment Fuse Box
This fuse box is under the instrument panel, behind the fuse box cover on the driver’s side.
Engine Compartment Fuse Box
Fuse Box Diagrams
Passenger Compartment Fuse Box
| Type | No. | Description |
| Fuse MINI
20A |
2 | (CIGAR) Cigar lighter / power outlet |
| Fuse MINI 7.5A |
3 | (IG A-1) Protects several circuits |
| Fuse MINI 15A |
4 | (AUDIO NAVI) Audio system |
| Fuse MINI
10A |
5 | (IG B-2) Protects several circuits |
| Fuse MINI 7.5A |
6 | (METER IG (DCDC)) Instrument cluster |
| Fuse MINI
20A |
7 | (12V SOCKET) Cigar lighter / power outlet |
| Fuse MINI
10A |
8 | (A/C IG) Air conditioning |
| Fuse MINI 7.5A |
9 | (ACC) Protects several accessory circuits |
| Fuse MINI
7.5A |
10 | (IG B-1) Protects several circuits |
| Fuse MINI
7.5A |
11 | (EYE SIGHT (DCDC)) EyeSight Driver Assist Technology |
| Fuse MINI 7.5A |
13 | (IG A-3) Protects several circuits |
| Fuse MINI
7.5A |
14 | (ILLUMI) Illumination |
| Fuse MINI
7.5A |
15 | (IG B-3) Protects several circuits |
| Fuse MINI 7.5A |
16 | UNIT IG (DCDC) |
| Fuse MINI
7.5A |
17 | (MIRROR ACC) Power control mirror |
| Fuse MINI
7.5A |
18 | UNIT IG |
| Fuse MINI 10A |
19 | (IG A-2) Protects several circuits |
| Fuse MINI
10A |
20 | (SRS AIR BAG) Airbag |
| Fuse MINI
7.5A |
21 | (AC IG (DCDC)) Air conditioning system |
| Fuse MINI 10A |
22 | (EYE SIGHT) EyeSight Driver Assist Technology |
| Fuse MINI
7.5A |
23 | (IG A-4) Protects several circuits |
| Fuse MINI
7.5A |
24 | (AC ACC (DCDC)) Air conditioning system |
| Fuse MINI 7.5A |
25 | UNIT +B (DCDC) |
| Fuse MINI
10A |
26 | (BACK UP) Backup lights |
| Fuse MINI
15A |
27 | (SEAT HTR R) Rear seat heater |
| Fuse MINI 20A |
28 | (TRAIL R.FOG) Trailer fog lights |
| Fuse MINI
7.5A |
29 | (AUDIO ACC (DCDC)) Audio system |
| Fuse MINI
7.5A |
31 | (SMT (DCDC)) Smart key system |
| Fuse MINI 15A |
32 | (MIRROR +B) Power control mirror |
| Fuse MINI
7.5A |
33 | (KEY SW A) Ignition switch |
| Fuse MINI
7.5A |
35 | (ILLUM (DCDC)) Illumination |
| Fuse MINI 7.5A |
36 | (KEY SW B) Ignition switch |
| Fuse MINI
15A |
37 | UNIT +B1 |
| Fuse MINI
7.5A |
38 | UNIT +B2 |
Engine Compartment Fuse Box
2.4L Gasoline Turbo Engine
| Type | No. | Description |
| Fuse FMM/MCase 20A |
1 | SBF No. 5 |
| Fuse FMM/MCase
30A |
2 | SBF No. 4 |
| Fuse FMM/MCase
20A |
3 | SBF No. 3 |
| Fuse FMM/MCase 30A |
4 | SBF No. 2 |
| Fuse FMM/MCase
20A |
5 | SBF No. 1 |
| Fuse MINI
30A |
6 | (JB- B2) Junction box bus |
| Fuse MINI 7.5A |
7 | (PU B/UP) Power unit backup |
| Fuse MINI
10A |
8 | MB-B |
| Fuse MINI
7.5A |
9 | (STOP) Stop lights |
| Fuse MINI 7.5A |
10 | (OBD) On-board diagnostics |
| Fuse MINI
10A |
11 | DOP |
| Fuse MINI
20A |
12 | NOX |
| Fuse MINI 20A |
13 | (F/P) Fuel pump |
| Fuse MINI
20A |
14 | (D/L) Power door lock system |
| Fuse MINI
15A |
15 | (HAZARD) Hazard light |
| Fuse MINI 10A |
16 | (TAIL) Tail lights |
| Fuse MINI
7.5A |
17 | (HORN 2) Horn |
| Fuse MINI
7.5A |
18 | (HORN 1) Horn |
| Fuse MINI 7.5A |
19 | H/B – IG4 |
| Fuse MINI
10A |
20 | H/B – IG3 |
| Fuse MINI
7.5A |
21 | H/B – IG2 |
| Fuse MINI 7.5A |
22 | H/B – IG1 |
| Fuse MINI
15A |
23 | (E/G1 ) Engine control and emissions control (EGR) |
| Fuse MINI
20A |
24 | (DI) Direct ignition |
| Fuse MINI 20A |
25 | (O2 HTR) Oxygen sensor |
| Fuse MINI
15A |
26 | (IG COIL) Ignition coil |
| Fuse MINI
10A |
27 | (E/G2) Engine control and emissions control (EGR) |
| Fuse MINI 7.5A |
28 | (CVT SSR) CVT Transmission |
| Fuse MINI
15A |
29 | (TCU) Transmission control unit |
| Fuse MINI
15A |
30 | (ETC) Electronic throttle control |
| Fuse MINI 15A |
31 | (AVCS) Engine active valve control system |
| Fuse MINI
25A |
33 | (R. DEF) Rear window defogger |
| Fuse MINI
30A |
34 | (F. WIP) Front wipers |
| Fuse MINI 15A |
35 | F-END |
| Fuse MINI
30A |
36 | (VDC SOL) Vehicle dynamics control solenoid |
| Fuse MINI
15A |
37 | (DEICER) Deicer or defroster |
| Fuse MINI 25A |
38 | (MAIN FAN) Radiator fan |
| Fuse FMM/MCase
40A |
39 | SBF No. 6 |
| Fuse FMX/JCase
40A |
40 | SBF No. 12 |
| Fuse MINI 10A |
41 | (A/C -B ) Air conditioning |
| Fuse MINI
10A |
42 | MB-A |
| Fuse FMM/MCase
40A |
43 | SBF No. 7 |
| Fuse MINI 15A |
44 | (BLOWER) AC blower motor |
| Fuse MINI
15A |
45 | (BLOWER) AC blower motor |
| Fuse MINI
15A |
46 | (R. WIP) Rear wiper |
| Fuse MINI 25A |
47 | (SUB FAN) Cooling fan motor |
| Fuse MINI
20A |
48 | (HTR) Air conditioning system |
| Fuse MINI
30A |
49 | (BACKUP) Backup lights |
| Fuse FMM/MCase 30A |
50 | SBF No. 11 |
| Fuse FMM/MCase
30A |
51 | SBF No. 10 |
| Fuse FLF/PAL 293
80A |
52 | SBF No. 9 |
| Fuse FLF/PAL 293 80A |
53 | SBF No. 8 |
| Relay | R1 | (HORN RELAY) Horn |
| Relay | R2 | H/B – IH RELAY |
| Relay | R3 | (ETC RELAY) Electronic throttle control |
| Relay | R4 | (FUEL PUMP RELAY) Fuel pump |
| Relay | R5 | (STOP RELAY) Stop lights |
| Relay | R6 | PWM SUB RELAY |
| Relay | R7 | (R. DEF RELAY) Rear window defogger |
| Relay | R8 | (H/L WASH RELAY) Headlight washer |
| Relay | R9 | (STARTER RELAY) Starter system |
| Relay | R10 | (ST CUT RELAY) Starter system |
| Relay | R11 | PWM MAIN RELAY |
| Relay | R12 | (E/G RELAY) Engine control and emissions control (EGR) |
1.8L Gasoline Turbo Engine
| Type | No. | Description |
| Fuse FMM/MCase
20A |
1 | SBF No. 5 |
| Fuse FMM/MCase
30A |
2 | SBF No. 4 |
| Fuse FMM/MCase 20A |
3 | SBF No. 3 |
| Fuse FMM/MCase
30A |
4 | SBF No. 2 |
| Fuse FMM/MCase
20A |
5 | SBF No. 1 |
| Fuse MINI 30A |
6 | (JB- B2) Junction box bus |
| Fuse MINI
7.5A |
7 | (PU B/UP) Power unit backup |
| Fuse MINI
10A |
8 | MB-B |
| Fuse MINI 7.5A |
9 | (STOP) Stop lights |
| Fuse MINI
7.5A |
10 | (OBD) On-board diagnostics |
| Fuse MINI
10A |
11 | DOP |
| Fuse MINI 20A |
12 | NOX |
| Fuse MINI
20A |
13 | (F/P) Fuel pump |
| Fuse MINI
20A |
14 | (D/L) Power door lock system |
| Fuse MINI 15A |
15 | (HAZARD) Hazard light |
| Fuse MINI
10A |
16 | (TAIL) Tail lights |
| Fuse MINI
7.5A |
17 | (HORN 2) Horn |
| Fuse MINI 7.5A |
18 | (HORN 1) Horn |
| Fuse MINI
7.5A |
19 | H/B – IG4 |
| Fuse MINI
10A |
20 | H/B – IG3 |
| Fuse MINI 7.5A |
21 | H/B – IG2 |
| Fuse MINI
7.5A |
22 | H/B – IG1 |
| Fuse MINI
30A |
23 | (E/G1 ) Engine control and emissions control (EGR) |
| Fuse MINI 20A |
24 | (DI) Direct ignition |
| Fuse MINI
20A |
25 | (O2 HTR) Oxygen sensor |
| Fuse MINI
15A |
26 | (IG COIL) Ignition coil |
| Fuse MINI 10A |
27 | (E/G2) Engine control and emissions control (EGR) |
| Fuse MINI
7.5A |
28 | (CVT SSR) CVT Transmission |
| Fuse MINI
15A |
29 | (TCU) Transmission control unit |
| Fuse MINI 15A |
30 | (ETC) Electronic throttle control |
| Fuse MINI
15A |
31 | (AVCS) Engine active valve control system |
| Fuse MINI
25A |
33 | (R. DEF) Rear window defogger |
| Fuse MINI 30A |
34 | (F. WIP) Front wipers |
| Fuse MINI
15A |
35 | F-END |
| Fuse MINI
30A |
36 | (VDC SOL) Vehicle dynamics control solenoid |
| Fuse MINI 15A |
37 | (DEICER) Deicer or defroster |
| Fuse MINI
25A |
38 | (MAIN FAN) Radiator fan |
| Fuse FMM/MCase
40A |
39 | SBF No. 6 |
| Fuse FMX/JCase 40A |
40 | SBF No. 12 |
| Fuse MINI
10A |
41 | (A/C -B ) Air conditioning |
| Fuse MINI
10A |
42 | MB-A |
| Fuse FMM/MCase 40A |
43 | SBF No. 7 |
| Fuse MINI
15A |
44 | (BLOWER) AC blower motor |
| Fuse MINI
15A |
45 | (BLOWER) AC blower motor |
| Fuse MINI 15A |
46 | (R. WIP) Rear wiper |
| Fuse MINI
25A |
47 | (SUB FAN) Cooling fan motor |
| Fuse MINI
20A |
48 | (HTR) Air conditioning system |
| Fuse MINI 30A |
49 | (BACKUP) Backup lights |
| Fuse FMM/MCase
30A |
50 | SBF No. 11 |
| Fuse FMM/MCase
30A |
51 | SBF No. 10 |
| Fuse FLF/PAL 293 80A |
52 | SBF No. 9 |
| Fuse FLF/PAL 293
80A |
53 | SBF No. 8 |
| Relay | R1 | (HORN RELAY) Horn |
| Relay | R2 | H/B – IH RELAY |
| Relay | R3 | NOX RELAY |
| Relay | R4 | (FUEL PUMP RELAY) Fuel pump |
| Relay | R5 | (STOP RELAY) Stop lights |
| Relay | R6 | (MAIN FAN 1 RELAY) Radiator fan |
| Relay | R7 | (SUB FAN RELAY) Cooling fan motor |
| Relay | R8 | (R. DEF RELAY) Rear window defogger |
| Relay | R9 | (H/L WASH RELAY) Headlight washer |
| Relay | R10 | (STARTER RELAY) Starter system |
| Relay | R11 | (ST CUT RELAY) Starter system |
| Relay | R12 | (MAIN FAN2 RELAY) Radiator fan |
| Relay | R13 | (E/G RELAY) Engine control and emissions control (EGR) |
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