Subaru WRX 2021 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 side.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 20A | R.FOG TRAIL |
| 2 | 7.5A | METER IG |
| 3 | 15A | DOOR LOCK |
| 4 | 10A | IG2 |
| 5 | - | - |
| 6 | 7.5A | MIR |
| 7 | 15A | UNIT+B |
| 8 | 7.5A | STOP |
| 9 | 7.5A | WIPER DEICE |
| 10 | 7.5A | D-OP+B |
| 11 | 7.5A | TURN IG |
| 12 | 15A | UNIT IG1 |
| 13 | 20A | 12V PLUG |
| 14 | 10A | TAIL CLEARANCE |
| 15 | 10A | BKUP+B |
| 16 | 7.5A | ILM |
| 17 | 15A | SEAT HTR |
| 18 | 10A | LAMP IG |
| 19 | - | - |
| 20 | 10A | CIGAR |
| 21 | 10A | START |
| 22 | 7.5A | A/C IG |
| 23 | - | - |
| 24 | 10A | AUDIO NAVI |
| 25 | 15A | SRS AIR BAG |
| 26 | 7.5A | IG1 |
| 27 | 15A | BLOWER |
| 28 | 15A | BLOWER |
| 29 | 15A | F.FOG |
| 30 | - | - |
| 31 | 7.5A | ACC |
| 32 | 7.5A | STR LOCK |
| 33 | 7.5A | UNIT IG2 |
Engine compartment fuse box (STI):
| Fuse/Relay N° | Rating | Functions |
| 1 | 30A | ABS SOL |
| 2 | 25A | MAIN FAN |
| 3 | 25A | SUB FAN |
| 4 | - | - |
| 5 | 25A | AUDIO AMP |
| 6 | 30A | H/L LO |
| 7 | 15A | H/L HI |
| 8 | 20A | BACK UP |
| 9 | 15A | HORN |
| 10 | 25A | R.DEF |
| 11 | 15A | FUEL PUMP |
| 12 | 10A | (Transmission control unit) |
| 13 | 7.5A | EGI+B |
| 14 | 15A | HAZARD |
| 15 | 15A | LIGHTING |
| 16 | 7.5A | ALT-S |
| 17 | - | - |
| 18 | 20A | INJ |
| 19 | 15A | H/L LO RH |
| 20 | 15A | H/L LO LH |
| 21 | 10A | AIR CUT |
| 22 | 7.5A | (Telematics) |
| A | - | Main fuse |
Engine compartment fuse box (Except STI):
| Fuse/Relay N° | Rating | Functions |
| 1 | 30A | ABS SOL |
| 2 | 25A | MAIN FAN |
| 3 | 25A | SUB FAN |
| 4 | - | - |
| 5 | 25A | AUDIO AMP |
| 6 | 30A | H/L LO |
| 7 | 15A | H/L HI |
| 8 | 20A | BACK UP |
| 9 | 15A | HORN |
| 10 | 25A | R.DEF |
| 11 | 15A | FUEL PUMP |
| 12 | 10A | (Transmission control unit) |
| 13 | 7.5A | EGI+B |
| 14 | 15A | HAZARD |
| 15 | 15A | LIGHTING |
| 16 | 7.5A | ALT-S |
| 17 | - | - |
| 18 | 20A | INJ |
| 19 | 15A | H/L LO RH |
| 20 | 15A | H/L LO LH |
| A | - | Main fuse |
