Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2017WRX STIREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALBODY ELECTRICALOEM WIRING DIAGRAMS W/ CONNECTOR END VIEWS & FUSE/RELAY LOCATIONS
2017 Subaru WRX STI
OEM Wiring Diagrams W/ Connector End Views & Fuse/Relay Locations
2017 Subaru WRX STISECTION OEM Wiring Diagrams W/ Connector End Views & Fuse/Relay Locations
- Basic Diagnostic Procedure
- Working Precautions
- Fuse And Relay
- Location
- Engine Type Fa 2.0L (Without Push Button Start, Engine Compartment Side)
- Engine Type Fa 2.0L (Without Push Button Start, Passenger Room Side)
- Engine Type Fa 2.0L (With Push Button Start, Engine Compartment Side)
- Engine Type Fa 2.0L (With Push Button Start, Passenger Room Side)
- Engine Type EJ 2.5L (Without Push Button Start, Engine Compartment Side)
- Engine Type EJ 2.5L (Without Push Button Start, Passenger Room Side)
- Engine Type EJ 2.5L (With Push Button Start, Engine Compartment Side)
- Engine Type EJ 2.5L (With Push Button Start, Passenger Room Side)
- Location
- Power Supply Circuit
- Ground Circuit
- Airbag System
- Air Conditioning System
- Audio System
- Back-up Light System
- Blind Spot Detection/Rear Cross Traffic Alert
- CAN Communication System
- Charging System
- Clearance Light and Illumination Light System
- Combination Meter System
- Coolant Temperature System
- Cruise Control System
- CVT Control System
- Driver's Control Center Differential Control System
- Electric Power Steering System
- Engine Electrical System
- EyeSight System
- Front Accessory Power Supply Socket System
- Front Fog Light System
- Front Wiper and Washer System
- Fuel Gauge System
- Headlight Beam Leveler System
- Headlight System
- Horn System
- Immobilizer System
- Interior Light System
- Keyless Access System
- Keyless Entry System
- Multi-function Display (MFD) System
- Navigation System
- Occupant Detection System
- Oil Pressure Warning Light System
- Parking Brake/Brake Fluid Level Warning Light System
- Power Seat System
- Power Window System
- Push Button Start System
- Radiator Fan System
- Rear Accessory Power Supply Socket System
- Rear Defogger System
- Rear Differential Oil Temperature Warning Light System
- Rearview Camera System
- Rearview Mirror System
- Remote Control Mirror System
- Remote Engine Start System
- Reverse Automatic Braking
- Seat Belt Warning System
- Seat Heater System
- Security System
- Shift Lock Control System
- Speedometer System
- Starter System
- Stop Light System
- Sunroof Control System
- Telematics System
- Tire Pressure Monitoring System
- Turn Signal Light and Hazard Light System
- Vacuum Pump Control System
- Vehicle Dynamics Control System
- Wiper Deicer System
- Harness Components Location
- Front Wiring Harness
- Bulkhead Wiring Harness (In Engine Compartment) RH
- Bulkhead Wiring Harness (In Engine Compartment) LH
- Bulkhead Wiring Harness (In Compartment) RH
- Bulkhead Wiring Harness (In Compartment) LH
- Engine Wiring Harness and Transmission Cord
- Instrument Panel Wiring Harness RH
- Instrument Panel Wiring Harness LH
- Roof Cord
- Rear Wiring Harness RH
- Rear Wiring Harness LH
- Door Cord RH
- Door Cord LH
- Rear Wiring Harness and Trunk Lid Cord
- Antenna Cord
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.