Subaru Legacy 2018 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located under the instrument panel behind the fuse box cover on the driver’s seat side.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 7.5A | START1 |
| 2 | 20A | 12V SOCKET |
| 3 | 7.5A | IG1-1 |
| 4 | 15A | AUDIO NAVI |
| 5 | 15A | UNIT IG2-2 |
| 6 | 20A | P/W R.LH |
| 7 | 10A | CIGAR |
| 8 | 15A | A/C IG |
| 9 | 7.5A | ACC |
| 10 | 7.5A | UNIT IG2-1 |
| 11 | 30A | P/W MAIN1 |
| 12 | 7.5A | START2 |
| 13 | - | - |
| 14 | 7.5A | UNIT+B |
| 15 | 7.5A | METER IG |
| 16 | 20A | P/W R.RH |
| 17 | 7.5A | MIR |
| 18 | 7.5A | LAMP IG |
| 19 | 7.5A | IG1-2 |
| 20 | 10A | SRS AIR BAG |
| 21 | 20A | P/W PASS1 |
| 22 | 15A | SEAT HTR R |
| 23 | 10A | DRL |
| 24 | 20A | P/W MAIN2 |
| 25 | - | - |
| 26 | 10A | BACK UP |
| 27 | 10A | WIPER DEICER |
| 28 | 10A | TRAIL R.FOG |
| 29 | 20A | P/W PASS2 |
| 30 | - | - |
| 31 | 7.5A | SMT |
| 32 | 15A | SEAT HTR F |
| 33 | 7.5A | KEY SW |
| 34 | 7.5A | P/W ALL |
| 35 | 20A | SUN ROOF |
| 36 | - | - |
| 37 | 7.5A | STOP |
| 38 | 7.5A | EYE SIGHT |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 7.5A | HORN RH |
| 2 | 7.5A | HORN LH |
| 3 | 10A | ILLUMI |
| 4 | 10A | TAIL |
| 5 | 15A | H/L LO RH |
| 6 | 15A | H/L LO LH |
| 7 | 10A | H/L HI RH |
| 8 | 10A | H/L HI LH |
| 9 | 7.5A | DCM |
| 10 | 15A | D/L |
| 11 | - | - |
| 12 |
- (2.5 L models) 7.5A (3.6 L models) |
- ALT-S |
| 13 | 20A | FUEL |
| 14 | 15A | HAZARD |
| 15 | 30A | IG2 |
| 16 | 7.5A | PU B/UP |
| 17 | 7.5A | OBD |
| 18 | - | - |
| 19 | - | - |
| 20 |
20A (2.5 L models) 25A (3.6 L models) |
O2 HTR |
| 21 | 15A | E/G2 |
| 22 | 15A | ETC |
| 23 | 15A | E/G1 |
| 24 | 15A | AVCS |
| 25 | 15A | INJ |
| 26 | 7.5A | CVT SSR |
| 27 | 20A | TCU |
| 28 | - | - |
| 29 | 30A | BACKUP |
| 30 |
7.5A (2.5 L models) - (3.6 L models) |
ACTGS - |
| 31 |
25A (2.5 L models) - (3.6 L models) |
SUB FAN - |
| 32 |
25A (2.5 L models) - (3.6 L models) |
MAIN FAN - |
| 33 | 30A | ABS SOL |
| 34 | 20A | AUDIO |
| 35 | 25A | R.DEF |
| 36 | 15A | BLOWER |
| 37 | 15A | BLOWER |
| 38 | 10A | F.FOG RH |
| 39 | 10A | F.FOG LH |
| 40 | - | - |
| 41 | 15A | STRG/H |
| 42 | 15A | R.WIPER |
| 43 | 15A | F.WASH |
| 44 | 30A | F.WIPER |
| 45 | - | - |
| A | Main fuse |
