Subaru Crosstrek (2018 – 2023) Fuse Box Location & Diagrams
The Subaru Crosstrek (2018–2023) features multiple fuse boxes that protect its electrical circuits and vehicle systems. Knowing their locations and fuse assignments helps identify electrical faults, replace blown fuses, and maintain essential components such as lighting, power windows, climate control, and audio systems.
Fuse Box Location
Passenger Compartment Fuse Box
The fuse box is located in the instrument panel behind the cover on the driver’s side.
Engine Compartment Fuse Box
Fuse Box Diagram
Passenger Compartment Fuse Box
| No. / Years | Amp Rating | Circuit / Description |
|---|---|---|
| 1 | Empty | — |
| 2 | 20A | CIGAR SEAT/H (2018–2021) |
| 3 | 7.5A | IG A-1 / (2018-2021) IG – Protects several circuits (2022–2023) |
| 4 | 15A | AUDIO NAVI – Audio system |
| 5 | 15A (2018–2021) / 10A (2022–2023) | IG B-2 –15A (2018–2021); Protects several circuits (2022–2023) |
| 6 | 7.5A | METER IG (DCDC) – Instrument cluster (2022–2023) |
| 7 | 15A | 12V SOCKET – Cigar lighter / Power outlet |
| 8 | 15A (2018–2021) / 10A (2022–2023) | A/C IG (2018–2021); Air conditioning (2022–2023) |
| 9 | 7.5A | ACC – Accessory circuits |
| 10 | 7.5A | IG B-1 – Protects several circuits |
| 11 | 7.5A (2020–2021) / 7.5A (2022–2023) | EYE SIGHT (DCDC)(2020–2021) ; EyeSight Driver Assist Technology (2022–2023) |
| 12 | Empty / Spare | Empty (2018–2023) |
| 13 | 7.5A | IG A-3 (2018–2021) – Protects several circuits (2022–2023) |
| 14 | 7.5A | UNIT +B(2018–2021) / UNIT +B3 (2022–2023) |
| 15 | 7.5A (2018–2021) / 5A (2022–2023) | METER IG(2018–2021) / IG B-3 – Protects several circuits (2022–2023) |
| 16 | 7.5A | SRVD (DCDC) (2018–2021) / UNIT (DCDC) (2022–2023) |
| 17 | 7.5A | MIRROR / MIRROR ACC – Power control mirror |
| 18 | 7.5A | LAMP IG |
| 19 | 10A | IG A-2 (2018–2021) – Protects several circuits (2022–2023) |
| 20 | 10A | SRS AIR BAG – Airbag system |
| 21 | 7.5A | IG (DCDC) – Protects several circuits (2022–2023) |
| 22 | 15A (2018–2021) / 10A (2022–2023) | STRG/H(2018–2021); / EYE SIGHT (2022–2023) |
| 23 | 10A (2018–2021) / 7.5A (2022–2023) | DRL(2018–2021) / IG A-4 (2022–2023) |
| 24 | 7.5A | A/C ACC (DCDC) |
| 25 | 7.5A | UNIT+B (DCDC) / UNIT +B4 |
| 26 | 10A | BACK UP – Backup lights |
| 27 | Empty (2018) / 10A (2019–2023) | Empty (2018) / A/C +B (2019–2023) |
| 28 | 20A | TRAIL R.FOG / TRAIL – Trailer |
| 29 | 7.5A | AUDIO ACC (DCDC) – Audio system |
| 30 | 7.5A | BACK UP (DCDC) |
| 31 | 7.5A | SMT (DCDC) – Smart key system |
| 32 | 7.5A (2018–2021) / 15A (2022–2023) | ILLUMI (2018–2021) / MIRROR +B – Power control mirror (2022–2023) |
| 33 | 7.5A | KEY SW A – Ignition switch |
| 34 | Empty (2018–2021) / 5A (2022–2023) | Empty (2018–2021); A/C ACC (DCDC) (2022–2023) |
| 35 | 7.5A (2020–2021) / 5A (2022–2023) | ILLUMI (DCDC)(2020–2021) / ILLUMI ONLY (2022–2023) |
| 36 | 7.5A | KEY SW B – Ignition switch |
| 37 | 7.5A (2018–2021) / 15A (2022–2023) | STOP(2018–2021) / UNIT +B1 (2022–2023) |
| 38 | 7.5A (2018–2021) / 5A (2022–2023) | EYE SIGHT (2018–2021) / 82245 UNIT +B2 (2022–2023) |
Engine Compartment Fuse Box
A) Main fuse
| No. | Amp Rating | Circuit (Year Differences) |
|---|---|---|
| 1 | 7.5 A | HORN 2 (2018–2023) |
| 2 | 7.5 A | HORN 1 (2018–2023) |
| 3 | 15 A | H/L LO RH (2018–2023) |
| 4 | 15 A | H/L LO LH (2018–2023) |
| 5 | 7.5 A / 20 A / 30 A / Empty | 2018: ACTGS / 2019–2021: Empty / 2022–2023: TCU 2 (Hybrid) or IGCT SCENE (Plug-in Hybrid) |
| 6 | 10 A | H/L HI RH (2018–2023) |
| 7 | 10 A | H/L HI LH (2018–2023) |
| 8 | 10 A | TAIL (2018–2023) |
| 9 | 10 A | ODS (2018–2023) |
| 10 | 7.5 A | OBD (2018–2023) |
| 11 | 7.5 A | PU B/UP (2018–2023) |
| 12 | 30 A / 15 A | 2018–2021: JB-B / 2022–2023: JB-B (Except Plug-in Hybrid), IG-B (Plug-in Hybrid) |
| 13 | 15 A | HAZARD (2018–2023) |
| 14 | 20 A | FUEL (2018–2023) |
| 15 | 7.5 A | D-OP+B (2018–2023) |
| 16 | 10 A | MB-B (2018–2023) |
| 17 | 15 A | D/L (2018–2023) |
| 18 | 10 A | DCM (2018–2023) |
| 19 | 20 A | TCU (2018–2023) |
| 20 | 7.5 A | CVT SSR (2018–2023) |
| 21 | 15 A | IG COIL (2018–2023) |
| 22 | 10 A | AVCS (2018–2023) |
| 23 | 10 A | E/G2 (2018–2023) |
| 24 | Empty | Empty (2018–2023) |
| 25 | Empty | Empty (2018–2023) |
| 26 | 20 A | O2 HTR (2018–2023) |
| 27 | 15 A | E/G1 (2018–2023) |
| 28 | Empty | Empty (2018–2023) |
| 29 | 30 A | BACKUP (2018–2023) |
| 30 | 25 A | R. DEF (2018–2023) |
| 31 | 20 A | AUDIO (2018–2023) |
| 32 | 30 A | VDC SOL (2018–2023) |
| 33 | 25 A | MAIN FAN (2018–2023) |
| 34 | 25 A | SUB FAN (2018–2023) |
| 35 | 10 A | DEICER (2018–2023) |
| 36 | 15 A | F. FOG (2018–2023) |
| 37 | 15 A | BLOWER (2018–2023) |
| 38 | 15 A | BLOWER (2018–2023) |
| 39 | Empty | Empty (2018–2023) |
| 40 | 30 A | F. WIPER (2018–2023) |
| 41 | 15 A | F. WASH (2018–2023) |
| 42 | 15 A | R. WIPER (2018–2023) |
| 43 | Empty / 7.5 A / 10 A | 2018–2021: Empty / 2022–2023: LINSOL (Hybrid) or AHB-R (BI1) Plug-in Hybrid |
| 44 | Empty / 7.5 A / 10 A | 2018–2021: Empty / 2022–2023: TCU SSR (Hybrid) or AHB-R (BI2) Plug-in Hybrid |
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