Subaru WRX (2015-2018…) fuses

 

In this article, you will find fuse box diagrams of Subaru WRX 2015, 2016, 2017 and 2018, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout).

Fuse Layout Subaru WRX 2015-2018…


Cigar lighter (power outlet) fuses in the Subaru WRX are the fuses #13 (center console power outlet) and #20 (instrument panel power outlet) in the Instrument panel fuse box.


Fuse box location

Passenger compartment

The fuse box is located behind the cover to the left of the steering wheel.The location of the fuses in the passenger compartment: Subaru WRX (2015-2018…)

Fuse box in the engine compartment

The location of the fuses in the engine compartment: Subaru WRX (2015-2018…)

Fuse box diagrams

2015, 2016, 2017

Instrument panel

Instrument panel fuse box diagram: Subaru WRX (2015, 2016, 2017)

Assignment of fuses in the instrument panel (2015, 2016, 2017)

Amp rating Circuit
1 20A (Not available)
2 7.5A Combination meter
3 15A Door locking
4 10A Front wiper deicer relay
5 Empty
6 7.5A Remote control rear view mirrors, Seat heater relay
7 10A Combination meter, Integrated unit
8 7.5A Stop light
9 7.5A Front wiper deicer
10 7.5A Power supply (battery)
11 7.5A Turn signal unit
12 15A Transmission control unit, Engine control unit, Integrated unit
13 20A Accessory power outlet (center console)
14 10A Parking light, Tail light, Rear combination light
15 10A Trunk light, Keyless unit
16 7.5A Illumination
17 15A Seat heaters
18 10A Backup light
19 Daytime running lights
20 10A Accessory power outlet (instrument panel)
21 7.5A Starter relay
22 10A Air conditioner, Rear window defogger relay coil
23 Empty
24 10A Audio unit, Navigation system (if equipped)
25 15A SRS airbag system
26 7.5A Power window relay, Radiator main fan relay
27 15A Blower fan
28 15A Blower fan
29 10A Fog light
30 Empty
31 7.5A Auto air conditioner unit, Integrated unit
32 7.5A Clutch switch, Steering lock control unit
33 7.5A Vehicle Dynamics Control unit

Engine compartment (STI)

Under-hood fuse box diagram (STI): Subaru WRX (2015, 2016, 2017)

Assignment of fuses in the engine compartment (STI – 2015, 2016, 2017)

Amp rating Circuit
A Main fuse
1 30A ABS unit, Vehicle Dynamics Control unit
2 25A Main fan (cooling fan)
3 25A Sub fan (cooling fan)
4 Empty
5 25A Audio
6 30A Headlight (low beam)
7 15A Headlight (high beam)
8 20A Back-up
9 15A Horn
10 25A Rear window defogger, Mirror heater
11 15A Fuel pump
12 10A Transmission control unit
13 7.5A Engine control unit
14 15A Turn and hazard warning flasher
15 15A Tail and illumination re lay
16 7.5A Alternator
17 Empty
18 20A Injection
19 15A Headlight (low beam -right hand)
20 15A Headlight (low beam -left hand)
21 10A Secondary air combination valve

Engine compartment (Except STI)

Under-hood fuse box diagram: Subaru WRX (2015, 2016, 2017)

Assignment of fuses in the engine compartment (Except STI – 2015, 2016, 2017)

Amp rating Circuit
A Main fuse
1 30A ABS unit, Vehicle Dynamics Control unit
2 25A Main fan (cooling fan)
3 25A Sub fan (cooling fan)
4 Empty
5 25A Audio
6 30A Headlight (low beam)
7 15A Headlight (high beam)
8 20A Back-up
9 15A Horn
10 25A Rear window defogger, Mirror heater
11 15A Fuel pump
12 20A Transmission control unit
13 7.5A Engine control unit
14 15A Turn and hazard warning flasher
15 15A Tail and illumination re lay
16 7.5A Alternator
17 Empty
18 20A Injection
19 15A Headlight (low beam -right hand)
20 15A Headlight (low beam -left hand)

2018

Instrument panel

Instrument panel fuse box diagram: Subaru WRX (2018)

Assignment of fuses in the instrument panel (2018)

Amp rating Circuit
1 20A R.FOG TRAIL
2 7.5A METER IG
3 15A DOOR LOCK
4 10A IG2
5 Empty
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 Empty
20 10A CIGAR
21 10A START
22 7.5A A/C IG
23 Empty
24 10A AUDIO NAVI
25 15A SRS AIR BAG
26 7.5A IG1
27 15A BLOWER
28 15A BLOWER
29 15A F.FOG
30 Empty
31 7.5A ACC
32 7.5A STR LOCK
33 7.5A UNIT IG2

Engine compartment (STI)

Under-hood fuse box diagram (STI): Subaru WRX (2018)

 

Assignment of fuses in the engine compartment (STI – 2018)

Amp rating Circuit
A Main fuse
1 30A ABS SOL
2 25A MAIN FAN
3 25A SUB FAN
4 Empty
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 PI, P
12 10A (Transmission control unit)
13 7.5A EGI+B
14 15A HAZARD
15 15A LIGHTING
16 7.5A ALT-S
17 Empty
18 20A INJ
19 15A H/L LO RH
20 15A H/L LO LH
21 10A AIR CUT
22 7.5A (Telematics)

Engine compartment (Except STI)

Under-hood fuse box diagram: Subaru WRX (2018)

Assignment of fuses in the engine compartment (Except STI – 2018)

Amp rating Circuit
A Main fuse
1 30A ABS SOL
2 25A MAIN FAN
3 25A SUB FAN
4 Empty
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 PI, P
12 10A (Transmission control unit)
13 7.5A EGI+B
14 15A HAZARD
15 15A LIGHTING
16 7.5A ALT-S
17 Empty
18 20A INJ
19 15A H/L LO RH
20 15A H/L LO LH


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