AIR CONDITIONING
2.0L TURBO
2.0L Turbo, Manual A/C Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.0L Turbo, Manual A/C Wiring Diagram for Subaru Impreza WRX STi 2004:
- A/c pressure switch (on left side of engine compt)
- Air conditioning relay
- Air conditioning relay holder (at left side of engine compt)
- Air conditioning switch
- B134
- B135
- B152
- B52
- B84
- Blower fan motor (behind right side of dash)
- Blower fan motor relay (behind left side of dash)
- Blower fan motor resistor (behind right side of dash)
- Blower fan switch
- Combination meter
- Compressor (at left front of engine)
- Engine control module (behind right side of dash)
- Engine controls system
- Engine coolant temperature sensor & thermometer (on top left front of engine)
- Evaporator thermoswitch (behind right side of dash)
- F41
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 1 15a
- Fuse 17 15a
- Fuse 18 15a
- Fuse 2 15a
- Fuse 20a
- Gb-1 (right side of engine compt)
- Gb-6 (under left front of center console)
- Hot at all times
- Hot in on or start
- I12
- Illum
- Interior lights system
- Joint connector (shield & sensor ground) (behind right side of dash)
- Magnetic clutch
- Main fan motor
- Main fan relay-1
- Main fan relay-2
- Nca
- Sub fan motor (behind right side of radiator)
- Sub fan relay-1
- Sub fan relay-2
2.5L
2.5L, Manual A/C Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.5L, Manual A/C Wiring Diagram for Subaru Impreza WRX STi 2004:
- (behind right side of dash) joint connector (shield & sensor ground) (e/g)
- (on left side of engine compt) pressure switch
- Air conditioning relay (in main fuse box (m/b))
- Air conditioning relay holder (at left side of engine compt)
- Air conditioning relay holder (on left side of engine compt)
- Air conditioning switch
- B134
- B135
- B136
- B152
- B52
- Blower fan motor (behind right side of dash)
- Blower fan motor relay (behind left side of dash)
- Blower fan motor resistor (behind right side of dash)
- Blower fan switch
- Combination meter
- Compressor (at left front of engine)
- Engine control module (behind right side of dash)
- Engine controls system
- Engine coolant temperature sensor & thermometer (on top center of engine)
- Evaporator thermoswitch (behind right side of dash)
- F41
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 1 15a
- Fuse 17 15a
- Fuse 18 15a
- Fuse 2 15a
- Fuse 20a
- Gb-1 (right side of engine compt)
- Gb-6 (under left front of center console)
- Hot at all times
- Hot in on or start
- I12
- Illum
- Interior lights system
- Magnet clutch
- Main fan motor
- Main fan relay
- Sub fan motor (behind right side of radiator)
- Sub-fan relay
2.5L TURBO
2.5L Turbo, Automatic A/C Wiring Diagram (1 of 2) for Subaru Impreza WRX STi 2004
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List of elements for 2.5L Turbo, Automatic A/C Wiring Diagram (1 of 2) for Subaru Impreza WRX STi 2004:
- A/c pressure switch (on left side of engine compt)
- Air mix actuator (behind right side of dash)
- Auto a/c control module (below center of dash)
- B152
- B271
- B282
- B283
- B52
- Blower fan relay (behind left side of dash)
- Blower motor (behind right side of dash)
- Cruise control system
- Defogger system
- F41
- Fan control amplifier (behind right side of dash)
- Fresh/recirc actuator
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 1 15a
- Fuse 17 15a
- Fuse 18 15a
- Fuse 2 15a
- Fuse 9 15a
- Gb-4 (behind right side of dash)
- Gb-5 (behind center of dash)
- Gb-6 (under left front of center console)
- Hot at all times
- Hot in on or acc
- Hot in on or start
- Interior lights system
- Mode actuator (behind right side of dash)
- Red
- Thermometer
2.5L Turbo, Automatic A/C Wiring Diagram (2 of 2) for Subaru Impreza WRX STi 2004
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List of elements for 2.5L Turbo, Automatic A/C Wiring Diagram (2 of 2) for Subaru Impreza WRX STi 2004:
- A/c compressor (at left front of engine)
- Air conditioning relay
- Air conditioning relay holder (at left side of engine compt)
- Ambient sensor (behind center of grille)
- B135
- B136
- B137
- Combination meter
- Engine control module (behind right side of dash)
- Engine control system
- Engine coolant temperature sensor & thermometer (on top left front of engine)
- Evaporation thermo switch (behind right side of dash)
- F68
- Fuse 2 15a
- Fuse 20a
- Gb-1 (right side of engine compt)
- Hot at all times
- I10
- I12
- Joint connector (shield & sensor ground) (behind right side of dash)
- Magnet clutch
- Main fan motor
- Main fan relay 1
- Main fan relay 2
- Main fuse box (on left side of engine compt)
- Nca
- Red
- Sub fan motor (behind right side of radiator)
- Sub fan relay 1
- Sub fan relay 2
- Sunload sensor (at top right side of dash)
ANTI-LOCK BRAKES
Anti-lock Brakes Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Anti-lock Brakes Wiring Diagram for Subaru Impreza WRX STi 2004:
- assembly)
- (at base of right "a" pillar) abs condenser
- (behind left side of dash)
- (behind right side of dash) gb-4
- (on bracket, above brake pedal) stoplight switch
- 10a
- 2.0l
- 2.5l
- 2.5l turbo
- Abs control module (on right side of engine compt)
- Abs lateral ``g" sensor (2.5l turbo) (under center console)
- Abs relay (behind left side of dash)
- Abs warning light ind
- Abs ``g" sensor (2.5l turbo) (under rear of center console)
- Abs ``g" sensor (except 2.5l turbo) (under rear of center console)
- B158
- B302
- B52
- B54
- B55
- Check connector
- Combination meter
- Connector (behind left side of dash)
- Data link connector (behind dash, left of steering column)
- Diagnosis
- Driver`s control center diff control unit
- Except 2.5l turbo
- F38
- F41
- Fl in
- Fl out
- Fr in
- Fr out
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 13 10a
- Fuse 16 20a
- Fuse 18 15a
- Fuse 8 20a
- Gb-2 (near the left headlight)
- Gb-5 (behind center of dash)
- Hot at all times
- Hot in run or start
- I10
- I11
- Joint connector (lateral g sensor)
- Left front abs sensor (behind left front wheel hub/spindle
- Left rear abs sensor (behind left rear wheel hub/spindle
- Main fuse box (m/b) (on left side of engine compartment)
- Motor relay
- Nca
- Parking brake warn light ind (2.5l turbo)
- Parking brake warning light ind (except 2.5l turbo)
- Pump motor
- Red
- Relay holder
- Right front abs sensor (behind right front wheel hub/spindle
- Right rear abs sensor (behind right rear wheel hub/spindle
- Rl in
- Rl out
- Rr in
- Rr out
- Sbf holder (on left side of engine compartment)
- Sbf-4 fuse 50a
- Sbf-8 fuse 30a
- Shield joint connector (at right front corner of engine compt)
- Transmission control module (behind left side of dash)
- Valve relay
ANTI-THEFT
Power Door Locks Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Power Door Locks Wiring Diagram for Subaru Impreza WRX STi 2004:
- (behind left side of dash)
- (behind left side of dash) interrupt relay
- (wagon: under right taillight assembly) (sedan: near license plate light) gb-8
- Acc
- B152
- B280
- B281
- B52
- Combination meter
- Diode (wagon)
- Driver's side door lock switch
- Driver's side front door lock actuator (at rear of left front door)
- Exterior lights system
- F68
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 11 15a
- Fuse 18 15a
- Fuse 2 15a
- Fuse 3 15a
- Gb-3
- Gb-7 (under right front seat)
- Horns system
- Hot at all times
- Hot in on or start
- I10
- I11
- Ignition switch
- Ind door
- Ind security
- Integrated module
- Interior lights system
- Keyless buzzer (at right front of engine compt)
- Keyless entry control module (behind left end of dash)
- Left front door switch (at rear of left front door)
- Left rear door lock actuator (at rear of left rear door)
- Left rear door switch (at rear of left rear door)
- Lock
- Main fuse box (m/b) (on left side of engine compt)
- On off
- Passenger's side door lock switch
- Passenger's side front door lock actuator (at rear of right front door)
- Pnk
- Rear gate latch switch (wagon) (at bottom center of rear gate)
- Rear gate lock actuator (wagon) (at bottom center of rear gate)
- Red
- Right front door switch (at rear of right front door)
- Right rear door lock actuator (at rear of right rear door)
- Right rear door switch (forward of right rear wheelwell)
- Security control module (behind right side of dash)
- Security horn (at right rear corner of engine compt)
- Security horn relay (behind left side of dash)
- Start
- Starting/ charging system
- Trunk room light switch (sedan) (at rear center of trunk)
- Warning system
BODY CONTROL MODULES
Body Control Modules Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Body Control Modules Wiring Diagram for Subaru Impreza WRX STi 2004:
- B152
- B271
- B280
- B281
- B52
- Door locks system
- F40
- F68
- Fuse & relay box (f/b) (behind left side dash)
- Fuse 11 15a
- Fuse 2 15a
- Fuse 3 15a
- Fuse 4 20a
- Gb-5 (behind center of dash)
- Hot at all times
- Hot in acc or on
- Hot in on or start
- Integrated module (behind left side of dash)
- Interior lights system
- Main fuse box (m/b) (on left side of engine compt)
- Red
- Shift interlock system
- Shift interlock system defogger system
- Warning system
COMPUTER DATA LINES
2.0L TURBO
2.0L Turbo, Computer Data Lines Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.0L Turbo, Computer Data Lines Wiring Diagram for Subaru Impreza WRX STi 2004:
- (behind left side of dash)
- Ab3
- Abs control module (on right side of engine compartment)
- Air bag control module (under front of center console)
- Air bag ind
- B125
- B126
- B134
- B136
- B137
- B52
- B56
- B75
- B76
- Check connector (behind left side of dash)
- Combination meter
- Cruise control module (behind left side of dash)
- Data link connector (behind dash, left of steering column)
- Diagnosis connector
- Diagnosis terminal
- Engine control module (behind right side of dash)
- F37
- Fuel pump assembly (on top of fuel tank)
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 18 15a
- Gb-5 (behind center of dash)
- Ge-1 (top right side of engine)
- Hot at all times
- Hot in on or start
- I10
- Line end check connector (under left side of dash)
- Line end connector
- M/t
- Main fuse box (m/b) (on left side of engine compartment)
- Neutral position switch (m/t) (on left side of transmission)
- Pvc diagnosis connector
- Sbf-5 fuse 30a
- Test mode connector
- Transmission control module (a/t) (behind left side of dash)
- Vehicle speed sensor (m/t) (on right side of transmission case)
2.5L
2.5L, Computer Data Lines Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.5L, Computer Data Lines Wiring Diagram for Subaru Impreza WRX STi 2004:
- (behind left side of dash)
- (top left side of engine)
- Ab3
- Abs control module (on right side of engine compartment)
- Air bag control module (under front of center console)
- Air bag ind
- B125
- B126
- B134
- B135
- B136
- B137
- B52
- B54
- B55
- B75
- B76
- Check connector (behind left side of dash)
- Combination meter
- Cruise control module (behind left side of dash)
- Data link connector (behind dash, left of steering column)
- Diagnosis connector
- Diagnosis terminal
- Engine control module (behind right side of dash)
- F37
- Fuel pump assembly (on top of fuel tank)
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 18 15a
- Gb-5 (behind center of dash)
- Ge-1
- Hot at all times
- Hot in on or start
- I10
- Line end check connector (under left side of dash)
- Line end connector
- M/t
- Main fuse box (m/b) (on left side of engine compartment)
- Neutral position switch (m/t) (on left side of transmission)
- Sbf-5 fuse 30a
- Test mode connector
- Transmission control module (a/t) (behind left side of dash)
- Vehicle speed sensor (m/t) (on right side of transmission case)
2.5L TURBO
2.5L Turbo, Computer Data Lines Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.5L Turbo, Computer Data Lines Wiring Diagram for Subaru Impreza WRX STi 2004:
- (top left side of engine)
- Ab3
- Abs control module (on right side of engine compartment)
- Air bag control module (under front of center console)
- Air bag ind
- B125
- B126
- B134
- B137
- B52
- B56
- B75
- B76
- Check connector (behind left side of dash)
- Combination meter
- Data link connector (behind dash, left of steering column)
- Diagnosis connector (behind left side of dash)
- Diagnosis terminal
- Driver's control center differential control unit
- Engine control module (behind right side of dash)
- F37
- Fuel pump assembly (on top of fuel tank)
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 18 15a
- Gb-5 (behind center of dash)
- Ge-1
- Hot at all times
- Hot in on or start
- I10
- Line end check connector (under left side of dash)
- Line end connector
- Main fuse box (m/b) (on left side of engine compartment)
- Neutral position switch (m/t) (on left side of transmission)
- Pvc diagnosis connector (at right rear of engine)
- Sbf-5 fuse 30a
- Shield & sensor ground joint connector (behind right side of dash)
- Test mode connector
- Transmission control module (a/t) (behind left side of dash)
- Vehicle speed sensor (m/t) (on right side of transmission case)
COOLING FAN
2.0L TURBO
2.0L Turbo, Cooling Fan Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.0L Turbo, Cooling Fan Wiring Diagram for Subaru Impreza WRX STi 2004:
- (behind right side of radiator)
- 2.0l turbo
- 2.5l turbo
- Air conditioning relay holder (on left side of engine compartment)
- B135
- B136
- B84
- Combination meter
- Engine control module (behind right side of dash)
- Engine controls system
- Engine coolant temperature sensor & thermometer (on top left front of engine)
- F41
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 17 15a
- Fuse 18 15a
- Fuse 20a
- Gb-1 (right side of engine compartment)
- Hot at all times
- Hot in on or start
- I12
- Joint connector (shield & sensor ground) (behind right side of dash)
- Main fan relay 1
- Main fan relay 2
- Nca
- Radiator main fan motor (behind left side of radiator)
- Sub fan motor
- Sub-fan relay 1
- Sub-fan relay 2
2.5L
2.5L, Cooling Fan Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.5L, Cooling Fan Wiring Diagram for Subaru Impreza WRX STi 2004:
- (behind right side of radiator)
- Air conditioning relay holder (on left side of engine compt)
- B134
- B135
- Combination meter
- Engine control module (behind right side of dash)
- Engine controls system
- Engine coolant temperature sensor & thermometer (on top left front of engine)
- F41
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 17 15a
- Fuse 18 15a
- Fuse 20a
- Gb-1 (right side of engine compartment)
- Hot at all times
- Hot in on or start
- I12
- Joint connector (shield & sensor ground) (behind right side of dash)
- Main fan motor (behind left side of radiator)
- Main fan relay
- Sub fan motor
- Sub-fan relay
2.5L TURBO
2.5L Turbo, Cooling Fan Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.5L Turbo, Cooling Fan Wiring Diagram for Subaru Impreza WRX STi 2004:
- (behind right side of radiator)
- 2.0l turbo
- 2.5l turbo
- Air conditioning relay holder (on left side of engine compartment)
- B135
- B136
- B84
- Combination meter
- Engine control module (behind right side of dash)
- Engine controls system
- Engine coolant temperature sensor & thermometer (on top left front of engine)
- F41
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 17 15a
- Fuse 18 15a
- Fuse 20a
- Gb-1 (right side of engine compartment)
- Hot at all times
- Hot in on or start
- I12
- Joint connector (shield & sensor ground) (behind right side of dash)
- Main fan relay 1
- Main fan relay 2
- Nca
- Radiator main fan motor (behind left side of radiator)
- Sub fan motor
- Sub-fan relay 1
- Sub-fan relay 2
CRUISE CONTROL
2.0L TURBO
2.0L Turbo, Cruise Control Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.0L Turbo, Cruise Control Wiring Diagram for Subaru Impreza WRX STi 2004:
- (a/t)
- A/t
- Anti-theft system
- B158
- B52
- B54
- B55
- B56
- Cancel
- Check connector (behind left side of dash)
- Clutch switch (on bracket, above clutch pedal)
- Combination meter
- Cruise control
- Cruise control actuator (at right side of engine compt)
- Cruise control main switch
- Cruise control module (behind left side of dash)
- Cruise indicator light
- Data link connector (behind dash, left of steering column)
- Dimmer circuit
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 13 10a
- Fuse 16 20a
- Fuse 18 15a
- Gb-4 (behind right side of dash)
- Ge-1 (2.0l: top right side of engine) (2.5l turbo: top left side of engine)
- Horns system
- Hot at all times
- Hot in on or start
- I10
- I11
- Illum
- Indicator set
- Inhibitor switch (a/t)
- Interior lights system
- Interrupt relay (behind left side of dash)
- Light
- M/t
- Off
- P/n
- Pnk
- Resume
- Set
- Short connector
- Starting/ charging system
- Stoplight & brake switch (on bracket, above brake pedal)
- Sub switch
- Transmission control module (a/t) (behind left side of dash)
- Turbo non-turbo
- Vehicle speed sensor (m/t) (on right side of transmission case)
- W/ anti-theft system
- W/o anti-theft system
2.5L
2.5L, Cruise Control Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.5L, Cruise Control Wiring Diagram for Subaru Impreza WRX STi 2004:
- (a/t)
- A/t
- Anti-theft system
- B158
- B52
- B54
- B55
- B56
- Cancel
- Check connector (behind left side of dash)
- Clutch switch (on bracket, above clutch pedal)
- Combination meter
- Cruise control
- Cruise control actuator (at right side of engine compt)
- Cruise control main switch
- Cruise control module (behind left side of dash)
- Cruise indicator light
- Data link connector (behind dash, left of steering column)
- Dimmer circuit
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 13 10a
- Fuse 16 20a
- Fuse 18 15a
- Gb-4 (behind right side of dash)
- Ge-1 (2.0l: top right side of engine) (2.5l turbo: top left side of engine)
- Horns system
- Hot at all times
- Hot in on or start
- I10
- I11
- Illum
- Indicator set
- Inhibitor switch (a/t)
- Interior lights system
- Interrupt relay (behind left side of dash)
- Light
- M/t
- Off
- P/n
- Pnk
- Resume
- Set
- Short connector
- Starting/ charging system
- Stoplight & brake switch (on bracket, above brake pedal)
- Sub switch
- Transmission control module (a/t) (behind left side of dash)
- Turbo non-turbo
- Vehicle speed sensor (m/t) (on right side of transmission case)
- W/ anti-theft system
- W/o anti-theft system
2.5L TURBO
2.5L Turbo, Cruise Control Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.5L Turbo, Cruise Control Wiring Diagram for Subaru Impreza WRX STi 2004:
- B134
- B135
- B136
- B137
- B158
- B52
- Clutch switch (m/t) (on bracket, above clutch pedal)
- Combination meter
- Cruise control switch
- Cruise indicator light
- Electric control throttle (at center rear of engine)
- Electric control throttle relay (behind right side of dash)
- Engine control module (behind right side of dash)
- Engine controls system
- F37
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 13 10a
- Fuse 16 20a
- Fuse 18 15a
- Fuse 6 15a
- Ge-1 (top left side of engine)
- Horn relay
- Hot at all times
- Hot in on or start
- I10
- I11
- Main fuse box (f/b) (on left side of engine compt)
- Main relay (behind right side of dash)
- Nca
- Sbf-5 30a
- Set indicator light
- Stoplight & brake switch (on bracket, above brake pedal)
- Vehicle speed sensor (on right side of transmission case)
DEFOGGERS
Rear Defogger Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Rear Defogger Wiring Diagram for Subaru Impreza WRX STi 2004:
- 2.0l turbo
- 2.5l non-turbo
- 2.5l turbo
- Acc
- Auto a/c control module (if equipped) (below center of dash)
- B134
- B137
- B152
- B158
- B271
- B280
- B281
- B282
- Engine control module (behind right side of dash)
- F40
- F68
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 15a
- Fuse 20a
- Gb-5 (behind center of dash)
- Gb-6 (under left front of center console)
- Gb-8 (near license plate light)
- Gb-8 (under right tailgate assembly)
- Hot at all times
- Hot in on or start
- Ignition switch
- Integrated module (behind left side of dash)
- Interior lights system
- Left rearview mirror
- Lock
- Main fuse box (m/b) (on left side of engine compt)
- Mirror heater
- Mirror heater relay (behind left side of dash, in relay block)
- Nca
- On off
- Rear defogger
- Rear defogger (at lower right corner of rear gate)
- Rear defogger (under right side of rear parcel shelf)
- Rear defogger relay
- Rear defogger switch
- Red
- Right rearview mirror
- Sedan
- Start
- W/ choke coil
- W/o choke coil
- Wagon
Wiper Deicer Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Wiper Deicer Wiring Diagram for Subaru Impreza WRX STi 2004:
- (behind right end of dash) wiper deicer relay
- (behind right end of dash) wiper deicer timer
- B158
- B52
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 18 15a
- Fuse 19 20a
- Gb-3
- Gb-4 (behind right side of dash)
- Hot at all times
- Hot in on or start
- Interior lights system
- Nca
- Off
- Wiper deicer (at top left of dash)
- Wiper deicer switch
ENGINE PERFORMANCE
2.0L TURBO
2.0L Turbo, Engine Performance Wiring Diagram (1 of 4) for Subaru Impreza WRX STi 2004
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List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (1 of 4) for Subaru Impreza WRX STi 2004:
- (behind left side of dash) diagnosis connector
- (behind right side of dash) gb-4
- (behind right side of dash) main relay
- (top right side of engine) ge-1
- A/t
- Acc
- Air conditioning system
- B134
- B135
- B136
- Camshaft position sensor (on left front of engine)
- Crankshaft position sensor (on lower front of engine)
- Defogger system
- Engine control module (behind right side of dash)
- Ge-1 (top right side of engine)
- Ge-2 (top left side of engine)
- Hot at all times
- Ignition switch
- Interior lights system
- Knock sensor (at center rear of engine)
- Left tgv (at top left front of engine)
- Lock
- M/t
- Mass airflow sensor (at right side of engine compt, in air intake duct)
- Nca
- Neutral position switch (m/t) (on left side of transmission)
- Off
- Power steering oil pressure switch (at right front of engine)
- Red
- Right tgv (at top right of engine)
- Shielded
- Shielded & sensor ground joint connector (behind right side of dash)
- Start
- Starting/ charging system
- Starting/charging system
2.0L Turbo, Engine Performance Wiring Diagram (2 of 4) for Subaru Impreza WRX STi 2004
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List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (2 of 4) for Subaru Impreza WRX STi 2004:
- (behind left side of dash) check connector
- (top right side of engine) ge-1
- A/t
- B125
- B152
- B52
- B54
- B55
- B56
- Engine coolant temperature sensor & thermometer (on top center of engine)
- Exhaust gas temperature sensor (in right exhaust system, near front oxygen sensor)
- F37
- Fuse & relay box (behind left side of dash)
- Fuse 15a
- Fuse 30a
- Hot at all times
- Hot in on or start
- Left tgv angle sensor
- Line end connector
- M/t
- Main fuse box (on left side of engine compt)
- Nca
- Pressure sensor (at top rear of engine)
- Red
- Right tgv angle sensor
- Throttle position sensor (on throttle body assembly)
- Transmission control module (behind left side of dash)
- Vehicle speed sensor (m/t) (on right side of transmission case)
2.0L Turbo, Engine Performance Wiring Diagram (3 of 4) for Subaru Impreza WRX STi 2004
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List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (3 of 4) for Subaru Impreza WRX STi 2004:
- (behind dash, left of steering column) data link connector
- (top right side of engine)
- (top right side of engine) ge-1
- (under left side of dash) line end check connector
- B158
- Combination meter
- Cpu
- Drain valve (under right rear of vehicle)
- Fuel level sensor
- Fuel pump
- Fuel pump assembly (on top of fuel tank)
- Fuel pump controller
- Fuel pump relay (behind right side of dash)
- Fuel sub level sensor (on top of fuel tank)
- Fuel tank pressure sensor (on top center of fuel tank)
- Fuel temperature sensor
- Fuse & relay box (behind left side of dash)
- Fuse 10a
- Gb-4 (behind right side of dash)
- Gb-7 (under right front seat)
- Ge-1
- Hot in on or start
- I/f
- I10
- I11
- I12
- Internal pressure solenoid valve
- Mal- function indicator light
- Nca
- Oil pres- sure warning light
- Oil pressure switch (on front of engine)
- Pressure control solenoid valve (under center rear of vehicle)
- R58
- Red
- Speedometer
- Tachometer
- Temp gauge
2.0L Turbo, Engine Performance Wiring Diagram (4 of 4) for Subaru Impreza WRX STi 2004
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List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (4 of 4) for Subaru Impreza WRX STi 2004:
- (at left rear of engine) fuel injectors
- (on top front of engine)
- (top right side of engine) ge-1
- Air conditioning system
- B137
- Cooling fan system
- E84
- Engine control module (behind right side of dash)
- Front oxygen (a/f) sensor (on front of catalytic converter)
- Ge-1 (top right side of engine)
- Idle air control solenoid valve (on front of engine)
- Ignition coil 1
- Ignition coil 2
- Ignition coil 3
- Ignition coil 4
- Nca
- Pcv diagnosis connector
- Pnk
- Purge control solenoid valve (on intake manifold)
- Rear oxygen sensor
- Red
- Shielded
- Wastegate solenoid (at right side of engine compt)
2.5L
2.5L, Engine Performance Wiring Diagram (1 of 3) for Subaru Impreza WRX STi 2004
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List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 3) for Subaru Impreza WRX STi 2004:
- (behind left side of dash) interrupt relay
- (behind right side of dash) main relay
- A/t
- Acc
- Air conditioning system
- B135
- B136
- Camshaft position sensor (on left front of engine)
- Crankshaft position sensor (on lower front of engine)
- Engine control module (behind right side of dash)
- Gb-4 (behind right side of dash)
- Ge-1 (top right side of engine)
- Hot at all times
- Ignition switch
- Inhibitor switch
- Knock sensor (at center rear of engine)
- Lock
- M/t
- Nca
- Neutral position switch (on left side of transmission)
- Off
- Power steering oil pressure switch (at right front of engine)
- Red
- Shielded
- Short connector
- Start
- Starter interlock relay (behind left side of dash, in relay block)
- Starting/ charging & headlights systems
- Starting/ charging system
- W/ anti-theft
- W/o anti-theft
2.5L, Engine Performance Wiring Diagram (2 of 3) for Subaru Impreza WRX STi 2004
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List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 3) for Subaru Impreza WRX STi 2004:
- (behind dash, left of steering column) data link connector
- (behind left side of dash) check connector
- (behind right side of dash) shielded & sensor ground joint connector
- (top center of fuel tank) fuel tank pressure sensor
- (top right side of engine) ge-1
- (under right front seat) gb-7
- A/t
- B152
- B158
- B52
- Engine coolant temperature sensor & thermometer (on top center of engine)
- Front oxygen sensor (a/f) (on front of catalytic converter)
- Fuel gauge sub module
- Fuel level sensor
- Fuel pump assembly (on top of fuel tank)
- Fuel pump relay (behind right side of dash)
- Fuel sub level sensor
- Fuel temp sensor
- Fuse & relay box (behind left side of dash)
- Fuse 10a
- Fuse 15a
- Gb-5 (behind center of dash)
- Ge-1 (top right side of engine)
- Hot in on or start
- Instru- ment cluster system
- Intake air temp- erature sensor (at right rear of engine)
- Line end check connector (under left side of dash)
- M/t
- Nca
- Pressure sensor (at top rear of engine)
- Rear oxygen sensor
- Red
- Shielded
- Throttle position sensor (on throttle body assembly)
- Vehicle speed sensor (m/t) (on right side of transmission case)
2.5L, Engine Performance Wiring Diagram (3 of 3) for Subaru Impreza WRX STi 2004
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List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 3) for Subaru Impreza WRX STi 2004:
- (at right front of engine) fuel injectors
- (on intake manifold) purge control solenoid valve
- (on top front of engine) air assist injector solenoid valve
- (under right rear of vehicle) drain valve
- Air conditioning system
- B125
- B134
- B137
- B54
- B55
- Combination meter
- Cooling fans system
- Custom cpu
- Defogger system
- Diagnosis connector (behind left side of dash)
- Engine control module (behind right side of dash)
- F37
- Fuse sbf-5 30a
- Ge-1 (top left side of engine)
- Hot at all times
- I/f
- I11
- I12
- Idle air control solenoid valve (on top rear of engine)
- Ignition coil & ignitor (on top front of engine)
- Interior lights system
- Internal pressure solenoid valve
- Line end connector
- Main fuse box (on left side of engine compt)
- Mal- function indicator lamp
- Nca
- Pnk
- Pressure solenoid valve
- Red
- Shielded
- Speedo- meter circuit
- Tacho- meter
- Transmission control module (behind left side of dash)
2.5L TURBO
2.5L Turbo, Engine Performance Wiring Diagram (1 of 4) for Subaru Impreza WRX STi 2004
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List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (1 of 4) for Subaru Impreza WRX STi 2004:
- (behind left side of dash) diagnosis connector
- (behind right side of dash) electric throttle relay
- (behind right side of dash) main relay
- Air conditioning system
- B135
- B137
- B152
- B271
- B52
- Cooling fans system
- Crankshaft position sensor (on lower front of engine)
- Defogger system
- Engine control module (behind right side of dash)
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 15a
- Fuse 20a
- Ge-1 (top left side of engine)
- Ge-2 (top right of engine)
- Hot in acc or on
- Hot in on or start
- Ignition coil 1 (at right front of engine)
- Ignition coil 2 (at left front of engine)
- Ignition coil 3 (at right rear of engine)
- Ignition coil 4 (at left rear of engine)
- Interior lights system
- Nca
- Pcv diagnosis connecter
- Power steering oil pressure switch (at left front of engine)
- Red
- Shield & sensor ground joint connector (behind right side of dash)
- Starting/charging system
2.5L Turbo, Engine Performance Wiring Diagram (2 of 4) for Subaru Impreza WRX STi 2004
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List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (2 of 4) for Subaru Impreza WRX STi 2004:
- (behind dash, left of steering column) data link connector
- (behind left side of dash) check connector
- (on right side of transmission case)
- B125
- B75
- B76
- Diagnosis terminal
- Electric throttle (at center rear of engine)
- Engine coolant temperature sensor & thermometer (on top center
- F37
- Gb-3
- Gb-5 (behind center of dash)
- Ge-2 (top right of engine)
- Hot at all times
- Intercooler water spray switch
- Intercooler water spray timer (behind right side of dash)
- Interior lights system
- Left tgv angle sensor
- Line end connector b126
- Main fuse box (m/b) (on left side of engine compt)
- Nca
- Neutral position switch
- Of engine)
- Pressure sensor
- Red
- Right tgv angle sensor
- Sbf 5 fuse 30a
- Test mode connector
- Vehicle speed sensor
2.5L Turbo, Engine Performance Wiring Diagram (3 of 4) for Subaru Impreza WRX STi 2004
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List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (3 of 4) for Subaru Impreza WRX STi 2004:
- (at left side of engine) left active valve control solenoid
- (at right side of engine) right active valve control solenoid
- B158
- Combination meter
- Drain valve (under right rear of vehicle)
- Driver's control center differential control unit
- Fuel level sensor
- Fuel pump
- Fuel pump assembly (on top of fuel tank)
- Fuel pump controller
- Fuel pump relay (behind right side of dash)
- Fuel sub level sensor (on top of fuel tank)
- Fuel tank pressure sensor (on fuel tank)
- Fuel temperature sensor
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 10a
- Gb-4 (behind right side of dash)
- Gb-7 (under right front seat)
- Gb-8 (sedan: near license plate light) (coupe: under right taillight assembly)
- Hot in on or start
- I/f
- I10
- I11
- I12
- Intercooler water spray motor & level warning switch
- Intercooler water spray tank level warning light
- Internal pressure solenoid valve
- Mal- function indicator light
- Micro computer
- Nca
- Oil pres- sure warning light
- Oil pressure switch (on front of engine)
- Pressure solenoid valve
- Red
- Speedometer
- Tachometer
- Temp gauge
2.5L Turbo, Engine Performance Wiring Diagram (4 of 4) for Subaru Impreza WRX STi 2004
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List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (4 of 4) for Subaru Impreza WRX STi 2004:
- (at left front of engine) fuel injector 2
- (at left rear of engine) fuel injector 4
- (at right front of engine) fuel injector 1
- (at right rear of engine) fuel injector 3
- (behind left side of dash) accelerator position sensor
- (behind right side of dash) shield & sensor ground joint connector
- (on rear of engine) knock sensor
- (top right of engine) ge-2
- B134
- B136
- Cruise control system
- Engine control module (behind right side of dash)
- Front oxygen (a/f) sensor (on front of catalytic converter)
- Ge-1 (top left side of engine)
- Left active valve control angle sensor
- Left tgv (at left rear of engine)
- Mass air flow sensor
- Nca
- Pnk
- Purge control solenoid valve (on intake manifold)
- Rear oxygen sensor
- Red
- Right active valve control angle sensor
- Right tgv (at right rear of engine)
- Starting/charging system
- Waste gate solenoid
EXTERIOR LIGHTS
Back-up Lamps Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Back-up Lamps Wiring Diagram for Subaru Impreza WRX STi 2004:
- (2.0l turbo)
- (2.5l turbo)
- (2.5l)
- A/t
- B282
- B52
- Back-up
- Back-up light
- Back-up light switch (on left side of transmission)
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 18 15a
- Gb-8 (sedan: near license plate light) (wagon: under right taillight assembly)
- Hot in on or start
- Inhibitor switch
- Integrated module (behind left side of dash)
- Left rear combination light
- Light
- M/t
- Right rear combination light
- Sedan
- Wagon
Exterior Lamps Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Exterior Lamps Wiring Diagram for Subaru Impreza WRX STi 2004:
- (at right rear corner of vehicle) (wagon) trailer connector
- (not used)
- (sedan rear spoiler) (wagon)
- (sedan)
- (under right front seat) gb-7
- (wagon)
- (wagon) (sedan)
- (wagon: under right taillight assembly) (sedan: near license plate light) gb-8
- 2.5l turbo
- B152
- B158
- B176
- B51
- B52
- B69
- B71
- Combin- ation switch
- Combination meter
- Combination switch
- Except 2.5l turbo
- F36
- F37
- F40
- F41
- F68
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 16 20a
- Fuse 2 15a
- Fuse 5 10a
- Fuse 5 15a
- Fuse 6 15a
- Fuse 7 20a
- Gb-1 (right side of engine compt)
- Gb-3
- Gb-5 (behind center of dash)
- Hazard switch
- Head
- High mounted stoplight (sedan w/o rear spoiler)
- High mounted stoplight (wagon & sedan w/ rear spoiler)
- Hot at all times
- Hot in on or start
- I11
- I12
- Ignition relay (behind left side of dash, in relay block)
- Interior lights system
- Keyless entry control module (behind left end of dash)
- Left
- Left front clearance light
- Left front combination light
- Left front turn signal light
- Left rear combination lamp
- License plate light
- Lighting switch
- Main fuse box (m/b) (on left side of engine compt)
- Nca
- Off
- Park
- Parking switch (top of steering column)
- Power windows system
- Right
- Right front clearance light
- Right front combination light
- Right front turn signal light
- Right rear combination lamp
- Sbf-2 fuse 50a
- Stop- light
- Stoplight switch
- Tail & illumin- ation relay
- Tail- light
- Turn & hazard module (behind dash, right of steering column)
- Turn light
- Turn signal ind light
- Turn signal switch
GROUND DISTRIBUTION
Ground Distribution Wiring Diagram (1 of 3) for Subaru Impreza WRX STi 2004
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List of elements for Ground Distribution Wiring Diagram (1 of 3) for Subaru Impreza WRX STi 2004:
- A/t select lever
- Abs condenser
- Abs control module
- Abs g sensor (except (sti model)
- Abs lateral g sensor (sti model)
- Abs relay
- Air mix actuator
- Auto a/c control module
- Auto/ manual switch
- B280
- B283
- B70
- B71
- Brake fluid level warning switch
- Check connector
- Clock
- Clutch switch (m/t)
- Combination meter
- Combination switch
- Cruise control actuator
- Cruise control module
- Daytime running light control module
- Daytime running light relay
- Daytime running light resistor
- Driver side front door switch
- Driver side rearview mirror heater
- Driver's control center differential control unit
- Forward switch
- Front wiper motor
- Fuel pump relay (w/ turbo engine)
- Gb-1 (right side of engine compt)
- Gb-2 (near the left headlight)
- Gb-3
- Gb-4 (behind right side of dash)
- Gb-5 (behind center of dash)
- Glove box illum- ination light
- Headlight leveler switch
- I10
- I11
- Ignition switch
- Inhibitor switch (a/t)
- Integrated module
- Inter coolar water spary timer
- Joint connector
- Key lock solenoid (a/t)
- Keyless entry control module
- Left front fog light
- Left front turn signal/ clearance light
- Left headlight leveler
- Left lo-beam headlight (hid model)
- Lighting
- Main fan motor (2.5l)
- Main fan motor (w/ turbo engine)
- Main relay
- Mirror heater relay
- Mode actuator
- Nca
- Passenger side front door switch
- Power window main switch
- Power window relay
- Rear 12v accessory relay
- Rear defogger switch
- Remote controlled rearview mirror switch
- Right front fog light
- Right front turn signal/ clearance light
- Right headlight leveler
- Right lo-beam headlight (hid model)
- Security control module
- Security short connector
- Shield joint connector
- Sub fan motor (2.5l)
- Sub fan motor (w/ turbo engine)
- To compass mirror (diagram 2 of 3)
- Turn & hazard module
- Wiper
- Wiper deicer
- Wiper deicer switch
- Wiper deicer timer
Ground Distribution Wiring Diagram (2 of 3) for Subaru Impreza WRX STi 2004
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List of elements for Ground Distribution Wiring Diagram (2 of 3) for Subaru Impreza WRX STi 2004:
- (sedan)
- (sedan,
- (wagon)
- (wagon) trailer connector
- Air bag control module
- B54
- B55
- B56
- Blower fan switch
- Compass mirror
- Earth bracket
- Fan control amplifier
- From ground gb-4 (diagram 1 of 3)
- Fuel pump assembly (2.5l)
- Fuel pump controller (w/ turbo engine)
- Gb-4 (behind right side of dash)
- Gb-5 (behind center of dash)
- Gb-6 (under left front of center console)
- Gb-7 (under right front seat)
- Gb-8 (sedan: near license plate light) (wagon: under right taillight assembly)
- Gr (under right front of center console)
- Hi-mounted stop light
- High- mounted stop light
- Inter cooler water spary motor & level warning switch
- Left rear combination combination light
- Left rear door switch
- Left seat heater
- Left seat heater switch
- License plate light
- Passenger side door lock switch
- Passenger side rearview mirror heater
- R58
- Radio
- Rear defogger (sedan)
- Rear defogger (wagon,
- Rear differential oil temperature sensor
- Rear gate latch switch (wagon)
- Rear wiper intermittent module (wagon)
- Rear wiper motor (wagon)
- Right rear combination light
- Right rear door switch
- Right seat heater
- Right seat heater switch
- Room light
- Seat belt switch
- Spot light
- Transmission control module (2.5l)
- Transmission control module (w/ turbo engine)
- Transmission ground
- Trunk room light switch (sedan)
- W/ choke coil model)
- W/ rear spoiler)
- W/o choke coil model)
Ground Distribution Wiring Diagram (3 of 3) for Subaru Impreza WRX STi 2004
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List of elements for Ground Distribution Wiring Diagram (3 of 3) for Subaru Impreza WRX STi 2004:
- B134
- B135
- B136
- B137
- B84
- Camshaft position sensor shield
- Combination meter
- Crankshaft position sensor shield
- Data link connector
- Diagnosis terminal
- Engine control module (2.5l turbo)
- Engine control module (2.5l)
- Engine control module (w/ turbo engine)
- Fuel level sensor
- Ge-1 (2.5l turbo) (top left side of engine)
- Ge-1 (2.5l) (top left side of engine)
- Ge-1 (w/ turbo engine) (top left side of engine)
- I12
- Idle air control solenoid valve
- Ignition coil & ignitor
- Ignition coil 1
- Ignition coil 2
- Ignition coil 3
- Ignition coil 4
- Knock sensor shield
- M/t
- Neutral position switch (m/t)
- Pcv diagnosis connector
- Shield and sensor ground joint connector
- Test mode connector
- Vehicle speed sensor (m/t)
HEADLIGHTS
Headlights Wiring Diagram, with High Intensity Discharge for Subaru Impreza WRX STi 2004
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List of elements for Headlights Wiring Diagram, with High Intensity Discharge for Subaru Impreza WRX STi 2004:
- B152
- B52
- Combination meter
- Combination switch
- Dimmer & passing switch
- F37
- F39
- F40
- Front foglight relay
- Front foglight switch
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 12 10a
- Fuse 13 10a
- Fuse 7 15a
- Fuse 8 15a
- Fuse 9 15a
- Gb-1 (right side of engine compt)
- Gb-3
- Head
- Hid relay (behind left side of dash, in relay block)
- High beam ind light
- Hot at all times
- Hot in on or start
- Hot w/ tail & illumination relay energized
- I10
- Interior lights system
- Joint connector
- Left front fog light
- Left headlight (high)
- Left headlight (low)
- Left headlight relay
- Lighting switch
- Main fuse box (m/b) (on left side of engine compt)
- Nca
- Off
- Park
- Pass
- Red
- Right front fog light
- Right headlight (high)
- Right headlight (low)
- Right headlight relay
Headlights Wiring Diagram, without High Intensity Discharge for Subaru Impreza WRX STi 2004
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List of elements for Headlights Wiring Diagram, without High Intensity Discharge for Subaru Impreza WRX STi 2004:
- (a/t)
- B152
- B52
- Combination meter
- Combination switch
- Daytime running light control module (behind right side of dash)
- Daytime running light diode (behind right side of dash)
- Daytime running light relay (behind right kick panel)
- Daytime running light resistor (turbo: at right rear of engine compartment) (non-turbo: at right side of engine compt)
- Dimmer & passing switch
- F37
- F39
- F40
- Front foglight diode (behind center of dash)
- Front foglight relay (behind left side of dash, in relay block)
- Front foglight switch
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 13 10a
- Fuse 18 15a
- Fuse 7 15a
- Fuse 8 15a
- Fuse 9 15a
- Gb-1 (right side of engine compartment)
- Gb-3
- Gb-4 (behind right side of dash)
- Generator
- Head
- Hi beam ind light (2.5l turbo)
- Hi beam ind light (except 2.5l turbo)
- High beam relay (behind right kick panel)
- Hot at all times
- Hot in on or start
- I10
- Inhibitor switch
- Instrument cluster system
- Interior lights system
- Joint connector
- Left front foglight
- Left headlight (high beam)
- Left headlight (low beam)
- Left headlight relay
- Lighting switch
- Main fuse box (m/b) (on left side of engine compt)
- Nca
- Off
- Park
- Parking brake switch (on base of park brake lever)
- Pass
- Red
- Right front foglight
- Right headlight (high beam)
- Right headlight (low beam)
- Right headlight relay
- Starting/charging system
HORN
Horn Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Horn Wiring Diagram for Subaru Impreza WRX STi 2004:
- F37
- F39
- Fuse 6 15a
- Horn (at left front corner of engine compt)
- Horn (at left front of engine compt)
- Horn relay
- Horn switch
- Hot at all times
- Keyless entry control module (behind left end of dash)
- Main fuse box (m/b) (on left side of engine compt)
- Security horn relay (behind left side of dash)
INSTRUMENT CLUSTER
2.0L TURBO
2.0L Turbo, Instrument Cluster Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.0L Turbo, Instrument Cluster Wiring Diagram for Subaru Impreza WRX STi 2004:
- (on base of park brake lever) parking brake switch
- (top right side of engine) ge-1
- +5v
- A10
- A11
- A12
- A13
- A14
- Abs warning light ind
- Air bag circuit
- Air bag warning light ind
- Air conditioning system
- Ambient sensor (behind center of grille)
- Anti-lock brakes system
- Anti-theft system
- At oil temp warning light ind
- B10
- B11
- B12
- B13
- B14
- B15
- B158
- B16
- B17
- B18
- B19
- B20
- B21
- B22
- B23
- B24
- B25
- B26
- B27
- B271
- B28
- B29
- B30
- B52
- Brake fluid level switch (on brake fluid reservoir)
- C10
- C7 a7
- Charge warning light ind
- Clock
- Combination meter
- Cruise control system
- Cruise ind
- Dimmer circuit
- Door warning light ind
- Driver
- Engine controls system
- Engine controls, transmissions systems
- Engine coolant temperature gauge
- Engine coolant temperature sensor & thermometer (on top center of engine)
- Exterior lights system
- F68
- Fuel gauge
- Fuel level sensor
- Fuel sub level sensor (on top of fuel tank)
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 12 10a
- Fuse 13 10a
- Fuse 2 15a
- Fuse 9 15a
- Fwd ind light
- Gb-3
- Gb-4 (behind right side of dash)
- Headlights system
- Hi beam ind
- Hot at all times
- Hot in acc or on
- Hot in on or start
- Hot w/ tail &
- I/f
- I11
- I12
- Illum lamps (5)
- Illumination relay energized
- Interior lights system
- Interior lights, door locks systems
- Left turn signal ind light
- Low fuel warning light ind
- Main fuse box (m/b) (on left side of engine compt)
- Malfunction indicator light
- Microcomputer
- Odo meter/ trip meter
- Odo/ trip lcd back light
- Oil pressure switch (on front of engine)
- Oil pressure warning ind
- Out temp
- Out temp lcd back light
- Parking brake/ brake fluid level warning light ind
- Pnk
- Power circuit
- Red
- Right turn signal ind light
- Seat belt warning light ind
- Security indicator light
- Set ind
- Speedo- meter
- Starting/charging system
- Tacho- meter
- Transmissions system
- Trip change trip reset switch
- Warning system
2.5L
2.5L, Instrument Cluster Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.5L, Instrument Cluster Wiring Diagram for Subaru Impreza WRX STi 2004:
- (on base of park brake lever) parking brake switch
- (top right side of engine) ge-1
- +5v
- A10
- A11
- A12
- A13
- A14
- Abs warning light ind
- Air bag circuit
- Air bag warning light ind
- Air conditioning system
- Ambient sensor (behind center of grille)
- Anti-lock brakes system
- Anti-theft system
- At oil temp warning light ind
- B10
- B11
- B12
- B13
- B14
- B15
- B158
- B16
- B17
- B18
- B19
- B20
- B21
- B22
- B23
- B24
- B25
- B26
- B27
- B271
- B28
- B29
- B30
- B52
- Brake fluid level switch (on brake fluid reservoir)
- C10
- C7 a7
- Charge warning light ind
- Clock
- Combination meter
- Cruise control system
- Cruise ind
- Dimmer circuit
- Door warning light ind
- Driver
- Engine controls system
- Engine controls, transmissions systems
- Engine coolant temperature gauge
- Engine coolant temperature sensor & thermometer (on top center of engine)
- Exterior lights system
- F68
- Fuel gauge
- Fuel level sensor
- Fuel sub level sensor (on top of fuel tank)
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 12 10a
- Fuse 13 10a
- Fuse 2 15a
- Fuse 9 15a
- Fwd ind light
- Gb-3
- Gb-4 (behind right side of dash)
- Headlights system
- Hi beam ind
- Hot at all times
- Hot in acc or on
- Hot in on or start
- Hot w/ tail &
- I/f
- I11
- I12
- Illum lamps (5)
- Illumination relay energized
- Interior lights system
- Interior lights, door locks systems
- Left turn signal ind light
- Low fuel warning light ind
- Main fuse box (m/b) (on left side of engine compt)
- Malfunction indicator light
- Microcomputer
- Odo meter/ trip meter
- Odo/ trip lcd back light
- Oil pressure switch (on front of engine)
- Oil pressure warning ind
- Out temp
- Out temp lcd back light
- Parking brake/ brake fluid level warning light ind
- Pnk
- Power circuit
- Red
- Right turn signal ind light
- Seat belt warning light ind
- Security indicator light
- Set ind
- Speedo- meter
- Starting/charging system
- Tacho- meter
- Transmissions system
- Trip change trip reset switch
- Warning system
2.5L TURBO
2.5L Turbo, Instrument Cluster Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.5L Turbo, Instrument Cluster Wiring Diagram for Subaru Impreza WRX STi 2004:
- (on base of park brake lever) parking brake switch
- (on top of fuel tank) fuel sub level sensor
- (out temp) liquid crystal display
- (top left side of engine) ge-1
- +5v
- A10
- A11
- A12
- A13
- A14
- Abs warning light ind
- Air bag circuit
- Air bag warning light ind
- Air conditioning system
- Ambient sensor (behind center of grille)
- Anti-lock brakes system
- Anti-theft system
- B10
- B11
- B12
- B13
- B14
- B15
- B158
- B16
- B17
- B18
- B19
- B20
- B21
- B22
- B23
- B23 c8
- B24
- B24 b25 b27 b28
- B25
- B26
- B27
- B271
- B28
- B29
- B30
- B52
- Brake fluid level switch (on brake fluid reservoir)
- Buzzer
- C10
- Charge warning light ind
- Clearance light ind
- Clock
- Combination meter
- Cruise control system
- Cruise ind light
- Dimmer circuit
- Door warning light ind
- Driver
- Electrically erasable programmable rom
- Engine controls system
- Engine controls system
- Engine controls, transmissions systems
- Engine coolant temp gauge
- Engine coolant temperature sensor & thermometer (on left front of engine)
- Exterior lights system
- F68
- Fuel gauge
- Fuel level sensor
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 12 10a
- Fuse 13 10a
- Fuse 2 15a
- Fuse 9 15a
- Gb-3
- Gb-4 (behind right side of dash)
- Headlights system
- Hi-beam indicator light
- Hot at all times
- Hot in acc or on
- Hot in on or start
- Hot w/ tail & illumination relay energized
- I/f
- I10
- I11
- I12
- Intercooler water spray tank level warning light ind
- Interior lights system
- Interior lights, door locks systems
- Left turn signal ind light
- Letter plate illumination light ind
- Liquid crystal display (odo/trip meter)
- Liquid crystal display back light ind
- Low fuel warning light ind
- Main fuse box (m/b) (on left side of engine compt)
- Malfunction indicator light parking brake/ brake fluid level warning light ind
- Microcomputer
- Oil pressure switch (on front of engine)
- Oil pressure warning light ind
- Pointer illumination light ind
- R diff
- R diff temperature warning light ind
- Red
- Revolution ind light
- Revolution ind light set switch
- Right turn signal ind light
- Seat belt warning light ind
- Security light ind
- Set ind light
- Speedo- meter
- Starting/charging system
- Sti logo light ind
- Tacho- meter
- Temp circuit
- Transmissions system
- Trip reset switch
- Warning system
INTERIOR LIGHTS
Courtesy Lamps Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Courtesy Lamps Wiring Diagram for Subaru Impreza WRX STi 2004:
- B280
- B281
- B52
- Combination meter
- Diode (wagon)
- Door
- Door warning light
- F40
- F68
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 2 15a
- Gb-3
- Gb-4 (behind right side of dash)
- Gb-6 (under left front of center console)
- Gb-7 (under right front seat)
- Gb-8 (near license plate light)
- Gb-8 (under right taillight assembly)
- Hot at all times
- I10
- I11
- Integrated module (behind left side of dash)
- Key illumination light
- Left front door switch (at rear of left front door)
- Left rear door switch (at rear of left rear door)
- Luggage room light (wagon)
- Main fuse box (m/b) (on left side of engine compartment)
- Off
- Rear gate latch switch (wagon) (at bottom center of rear gate)
- Right front door switch (at rear of right front door)
- Right rear door switch (forward of right rear wheelwell)
- Room light
- Sedan
- Spot light
- Trunk room light (sedan)
- Trunk room light switch (sedan) (at rear center of trunk)
- Wagon
2.0L TURBO
2.0L Turbo, Instrument Illumination Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.0L Turbo, Instrument Illumination Wiring Diagram for Subaru Impreza WRX STi 2004:
- A/t select lever illumination light
- B134
- B137
- B152
- B158
- B280
- B281
- B52
- Clock
- Combination meter
- Combination switch (light switch)
- Compact disc player illumination light
- Cruise control main switch illumination light
- Dimmer circuit
- Driver
- Engine control module (behind right side of dash)
- F40
- F68
- Front fog- light switch illumination light
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 12 10a
- Fuse 13 10a
- Fuse 7 20a
- Gb-3
- Gb-4 (behind right side of dash)
- Glove box illumination light
- Hazard switch illumination light
- Head
- Hot at all times
- Hot in on or start
- I11
- Illumination lights
- Integrated module (behind left side of dash)
- Main fuse box (m/b) (on left side of engine compartment)
- Mode control panel illumination light
- Nca
- Non-turbo engine module
- Odo/trip lcd backlight
- Off
- Out temp lcd backlight
- Park
- Radio illumination light
- Tail & illumination relay
- Turbo engine module
2.5L
2.5L, Instrument Illumination Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.5L, Instrument Illumination Wiring Diagram for Subaru Impreza WRX STi 2004:
- A/t select lever illumination light
- B134
- B137
- B152
- B158
- B280
- B281
- B52
- Clock
- Combination meter
- Combination switch (light switch)
- Compact disc player illumination light
- Cruise control main switch illumination light
- Dimmer circuit
- Driver
- Engine control module (behind right side of dash)
- F40
- F68
- Front fog- light switch illumination light
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 12 10a
- Fuse 13 10a
- Fuse 7 20a
- Gb-3
- Gb-4 (behind right side of dash)
- Glove box illumination light
- Hazard switch illumination light
- Head
- Hot at all times
- Hot in on or start
- I11
- Illumination lights
- Integrated module (behind left side of dash)
- Main fuse box (m/b) (on left side of engine compartment)
- Mode control panel illumination light
- Nca
- Non-turbo engine module
- Odo/trip lcd backlight
- Off
- Out temp lcd backlight
- Park
- Radio illumination light
- Tail & illumination relay
- Turbo engine module
2.5L TURBO
2.5L Turbo, Instrument Illumination Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.5L Turbo, Instrument Illumination Wiring Diagram for Subaru Impreza WRX STi 2004:
- (behind center of dash) gb-5
- (behind right side of dash) gb-4
- Auto a/c control module (below center of b283 dash)
- B137
- B152
- B158
- B283
- B52
- B71
- Circuit dimmer
- Clearance light ind light
- Clock
- Combination meter
- Combination switch
- Compact disc player illumination light
- Dimmer circuit
- Driver
- Driver's control center differential auto/manual switch
- Engine control module (behind right side of dash)
- F40
- F68
- Front fog light switch illumination light
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 12 10a
- Fuse 13 10a
- Fuse 7 20a
- Glove box illumination light
- Hazard switch illumination light
- Head
- Headlight leveler switch
- Hot at all times
- Hot in on or start
- I/f
- I10
- I11
- Intercooler water spray switch
- Letter plate illum light ind
- Lighting switch
- Liquid crystal display back light ind
- Logo light ind
- Main fuse box (m/b) (on left side of engine compt)
- Microcomputer
- Nca
- Off
- Park
- Pointer illum light ind
- Radio illumination light
- Tail & illumination relay
POWER DISTRIBUTION
Power Distribution Wiring Diagram (1 of 4) for Subaru Impreza WRX STi 2004
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List of elements for Power Distribution Wiring Diagram (1 of 4) for Subaru Impreza WRX STi 2004:
- (diagram 2 of 4)
- (not used)
- (on left side of engine compartment) main fuse box (m/b)
- 2.0l turbo,
- 2.5l
- 2.5l turbo
- Abs control module
- Auto a/c control module
- B152
- B158
- B271
- B280
- B283
- B51
- B52
- B55
- B56
- Battery
- Blower fan motor relay
- Clock
- Combination meter
- Driver's control center differential control unit
- Driver's control center differential relay
- F36
- F37
- F39
- F40
- F41
- F68
- From ignition switch g
- Front fog light relay
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 1 15a
- Fuse 1 20a
- Fuse 2 15a
- Fuse 3 10a
- Fuse 3 15a
- Fuse 4 10a
- Fuse 5 15a
- Fuse 6 15a
- Fuse 7 15a
- Fuse 7 20a
- Fuse 8 15a
- Fuse 8 20a
- Fuse 9 15a
- Gb-3
- Generator
- Hazard switch
- Headlights system
- Horn relay
- I11
- Ignition relay (behind left side of dash, in relay block)
- Integrated module
- Key illumination light
- Key warning switch
- Keyless buzzer
- Keyless entry control module
- Left headlight relay
- Nca
- Parking switch
- Power window circuit breaker
- Power window relay
- R79
- Radio
- Rear defogger relay
- Red
- Right headlight relay
- Room light
- Sbf-1 fuse 80a
- Sbf-3 fuse 50a
- Sbf-5 fuse 30a
- Sbf-6 fuse 30a
- Security control module
- Security horn relay
- Spot light
- Starter motor
- To fuel pump relay (diagram 4 of 4)
- To ignition switch (diagram 2 of 4)
- To main fuse box sbf-4 (diagram 2 of 4)
- To tail & illumination relay (diagram 3 of 4)
- Trailer connector
- Transmission control module
Power Distribution Wiring Diagram (2 of 4) for Subaru Impreza WRX STi 2004
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List of elements for Power Distribution Wiring Diagram (2 of 4) for Subaru Impreza WRX STi 2004:
- (2.0l turbo, a/t)
- (2.5l turbo, m/t)
- 10a
- 2.5l
- 30a
- A/t
- Abs control module
- Abs relay
- Acc
- Auto a/c control module
- B134
- B136
- B137
- B158
- B271
- B283
- B94
- Clock
- Combination meter
- Combination switch
- Cruise control module (a/t)
- Engine control module
- F35
- F36
- F38
- F40
- From main fuse box headlight relays (diagram 1 of 4)
- From main fuse box sbf-1 (diagram 1 of 4)
- Front washer motor
- Front wiper motor
- Front wiper switch
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 13 10a
- Fuse 14 10a
- Fuse 15 30a
- Fuse 9 15a
- Generator
- I11
- Ignition switch
- Inhibitor switch
- Interrupt relay
- Lock
- M/t
- Main fuse box (m/b) (on left side of engine compt)
- Nca
- Off
- Radio
- Rear washer motor
- Rear wiper intermittent module
- Rear wiper motor
- Relay holder
- Sbf holder
- Sbf-2 fuse 50a
- Sbf-4 fuse 50a
- Short connector
- Start
- Starter interlock relay
- To air conditioning fuse holder (diagram 4 of 4)
- To fuse & relay box (diagram 4 0f 4)
- To fuse & relay box fuse 18 (diagram 3 of 4)
- To fuse & relay box fuse 4 (diagram 4 of 4)
- To ignition relay (diagram 1 of 4)
- W/ security
- W/o security
Power Distribution Wiring Diagram (3 of 4) for Subaru Impreza WRX STi 2004
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List of elements for Power Distribution Wiring Diagram (3 of 4) for Subaru Impreza WRX STi 2004:
- (behind left side of dash)
- (not used)
- 2.0l turbo
- 2.0l turbo, 2.5l turbo
- 2.5l
- 2.5l turbo
- A/t select lever illumination light
- Ab3
- Abs relay
- Air bag control module
- Air conditioning relay
- Air conditioning relay holder (at left side of engine compt)
- Air conditioning switch
- Auto a/c control module
- Automatic a/c
- B134
- B136
- B137
- B152
- B158
- B271
- B281
- B282
- B51
- B52
- B54
- Back-up light switch (m/t)
- Blower fan motor relay
- Blower motor relay
- Check connector
- Clock
- Combination meter
- Compact disc player illumination light
- Cruise control main switch
- Cruise control main switch illumination light
- Cruise control module
- Daytime running light relay
- Driver's control center differential control unit
- Driver's control center differential relay
- Drl control module
- Engine control module
- F27
- F41
- From fuse & relay box f40 pin 9 (diagram 1 of 4)
- From ignition switch (diagram 2 of 4)
- Front fog light switch illumination light
- Fuel pump relay
- Fuse & relay box (f/b)
- Fuse 11 15a
- Fuse 12 10a
- Fuse 17 15a
- Fuse 18 15a
- Fuse 6 15a
- Glove box illumination light
- Hazard switch illumination light
- Headlight leveler switch
- Hid relay
- High beam relay
- I11
- Ignition coil & ignitor
- Ignition coil 1
- Ignition coil 2
- Ignition coil 3
- Ignition coil 4
- Inhibitor switch (a/t)
- Integrated module
- Keyless entry control module
- Left headlight leveler
- Lighting switch
- Main fan relay (2.5l)
- Main fan relay 1
- Main fan relay 2
- Manual a/c
- Mode control panel illumination light
- Nca
- Parking switch
- Pressure switch
- Radio illumination light
- Rear defogger relay
- Red
- Right headlight leveler
- Security control module
- Sub fan relay (2.5l)
- Sub fan relay 1
- Sub fan relay 2
- Tail & illumination relay
- Transmission control module
- Vehicle speed sensor (m/t)
- Wiper deicer relay
- Wiper deicer timer
Power Distribution Wiring Diagram (4 of 4) for Subaru Impreza WRX STi 2004
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List of elements for Power Distribution Wiring Diagram (4 of 4) for Subaru Impreza WRX STi 2004:
- (not used)
- 2.0l turbo
- 2.0l turbo, 2.5l turbo
- 2.5l
- 2.5l turbo
- 20a
- Air conditioning relay holder (at left side of engine compt)
- B135
- B158
- B225
- B271
- B281
- B52
- B65
- B84
- Compass mirror
- Data link connector
- Electric throttle relay
- Engine control module
- F27
- F40
- From fuse & relay box (diagram 2 of 4)
- From main fuse box (diagram 1 of 4)
- From main fuse box (diagram 2 of 4)
- From main fuse box sbf-2 (diagram 2 of 4)
- Fuel pump relay
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 10 10a
- Fuse 16 20a
- Fuse 19 20a
- Fuse 20a
- Fuse 4 20a
- Gb-3
- Gb-5 (behind center of dash)
- Gb-7 (under right front seat)
- Integrated module
- Inter cooler water spray switch
- Inter cooler water spray timer
- Main fan relay
- Main fan relay 1
- Main fan relay 2
- Main relay
- Mirror heater relay
- Nca
- Rear 12v accessory relay (behind left side of dash, in relay block)
- Rear accessory socket fuse holder
- Remote controlled rearview mirror switch
- Stoplight switch
- Sub fan relay
- Sub fan relay 1
- Wiper deicer relay
POWER MIRRORS
Automatic Day/Night Mirror Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Automatic Day/Night Mirror Wiring Diagram for Subaru Impreza WRX STi 2004:
- (2.0l turbo)
- (2.5l turbo)
- (2.5l)
- A/t
- B271
- B52
- Back-up light switch (on left side of transmission)
- Compass mirror
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 15a
- Fuse 20a
- Gb-6 (under left front of center console)
- Hot in acc or on
- Hot in on or start
- Inhibitor switch
- M/t
- Nca
Power Mirror Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Power Mirror Wiring Diagram for Subaru Impreza WRX STi 2004:
- B271
- Change over switch
- Defogger system
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 4 20a
- Gb-3
- Hot in acc or on
- Left rearview mirror
- Left/ right m
- Mirror heater
- Motor
- Nca
- Red
- Remote control rearview mirror switch
- Right rearview mirror
- Up/ down m
- W/ heated mirrors
- W/o heated mirrors
POWER SEATS
Heated Seats Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Heated Seats Wiring Diagram for Subaru Impreza WRX STi 2004:
- B271
- F36
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 20a
- Gb-5 (behind center of dash)
- Gb-6 (under left front of center console)
- High
- Hot at all times
- Hot in acc or on
- Left seat heater (under left front seat)
- Left seat heater switch
- Low
- Main fuse box (m/b) (on left side of engine compt)
- Off
- Rear 12v accessory relay (behind left side of dash, in relay block)
- Rear accessory socket fuse holder
- Right seat heater (under right front seat)
- Right seat heater switch (except 2.5l turbo)
- Sbf-2 fuse 50a
POWER TOP/SUNROOF
Sunroof Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Sunroof Wiring Diagram for Subaru Impreza WRX STi 2004:
- Close
- F36
- F68
- Fuse 15a
- Gb-1 (right side of engine (compt)
- Hot at all times
- Ignition relay (behind left side of dash, in relay block)
- Main fuse box (on left side of engine compt)
- Nca
- Open
- Power window circuit breaker (under left side of dash)
- Power window relay (behind left side of dash, in relay block)
- Red
- Sbf-6 fuse 30a
- Sun roof control module & motor (at right front of headliner)
- Sunroof switch
- Tilt down
- Tilt up
POWER WINDOWS
Power Windows Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Power Windows Wiring Diagram for Subaru Impreza WRX STi 2004:
- Auto down
- Auto up
- Auto up/down circuit
- Down
- F68
- Fuse 5 15a
- Gb-5 (behind center of dash)
- Hot at all times
- Ignition relay (behind left side of dash, in relay block)
- Left front
- Left front power window motor (at center of left front door)
- Left rear
- Left rear power window motor (at center of left rear door)
- Left rear power window sub switch
- Main fuse box (m/b) (on left side of engine compt)
- Power tops system
- Power window circuit breaker (under left side of dash)
- Power window main switch
- Power window relay (behind left side of dash, in relay block)
- Right front
- Right front power window motor (at center of right front door)
- Right front power window sub switch
- Right rear
- Right rear power window motor (at center of right rear door)
- Right rear power window sub switch
RADIO
Radio Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Radio Wiring Diagram for Subaru Impreza WRX STi 2004:
- Antenna
- Antenna amplifier (sedan: at left "c" pillar) (wagon: behind left rear quarterpanel)
- B271
- Bracket earth
- F68
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 2 15a
- Fuse 9 15a
- Gr (under right front of center console)
- Hot at all times
- Hot in acc or on
- Interior lights system
- Left front door speaker
- Left front door tweeter
- Left rear door speaker
- Main fuse box (m/b) (on left side of engine compt)
- Nca
- Radio
- Right front door speaker
- Right front door tweeter
- Right rear door speaker
SHIFT INTERLOCK
Shift Interlock Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Shift Interlock Wiring Diagram for Subaru Impreza WRX STi 2004:
- "p" position switch
- B152
- B158
- B271
- B280
- B281
- F37
- Fuse & relay box (f/b) (behind left side dash)
- Fuse 11 15a
- Fuse 16 20a
- Fuse 3 15a
- Fuse 4 20a
- Fuse 6 15a
- Gb-4 (behind right side of dash)
- Gb-5 (behind center of dash)
- Hot at all times
- Hot in acc or on
- Hot in on or start
- Inhibitor switch (a/t)
- Integrated module (behind left side of dash)
- Key lock solenoid (on steering column, behind ignition key cylinder)
- Key warning switch (in steering column)
- Main fuse box (m/b) (on left side of engine compt)
- Red
- Shift lock solenoid
- Stop light switch (on bracket, above brake pedal)
STARTING/CHARGING
Charging Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Charging Wiring Diagram for Subaru Impreza WRX STi 2004:
- 2.5l turbo
- Acc
- B158
- Battery
- Charge ind
- Combination meter
- Except 2.5l turbo
- F35
- F38
- F39
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 13 10a
- Fuse 3 10a
- Generator
- I10
- I11
- Ignition switch
- Lock
- Main fuse box (m/b) (on left side of engine compt)
- Nca
- On off
- Power distribution system
- Sbf-1 fuse 80a
- Sbf-4 fuse 50a
- Start
- Starter motor
Starting Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Starting Wiring Diagram for Subaru Impreza WRX STi 2004:
- (w/ turbo)
- (w/o turbo)
- 2.5l turbo
- A/t
- Acc
- Anti-theft system
- B134
- B136
- B137
- Battery
- Clutch switch (on bracket, above clutch pedal)
- Connector
- Cruise control module (a/t) (behind left side of dash)
- Daytime running light control module (behind right side of dash)
- Engine control module (a/t w/ turbo) (behind right side of dash)
- Engine control module (behind right side of dash)
- F38
- Gb-5 (behind center of dash)
- Ignition switch
- Inhibitor switch
- Interrupt relay (behind left side of dash)
- Lock
- M/t
- Main fuse box (m/b) (on left side of engine compt)
- Nca
- On off
- Sbf-1 fuse 80a
- Sbf-4 fuse 50a
- Start
- Starter interlock relay (behind left side of dash, in relay block)
- Starter motor
- W/ anti-theft
- W/o anti-theft
SUPPLEMENTAL RESTRAINTS
Supplemental Restraints Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Supplemental Restraints Wiring Diagram for Subaru Impreza WRX STi 2004:
- (near bottom of right "a" pillar)
- Ab3
- Ab7
- Ab8
- Air bag circuit
- Air bag control module (under right front center console)
- Air bag warning light
- Check connector (behind left side of dash)
- Combination meter
- Diagnosis connector (behind left side of dash)
- Driver side inflator
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 10a
- Fuse 15a
- Gb-3
- Gb-4 (behind right side of dash)
- Gb-5 (behind center of dash)
- Hot in on or start
- I10
- I11
- Left front sub sensor
- Left pretensioner (w/elr)
- Left side air bag sensor
- Left side inflator
- Nca
- Passenger side inflator
- Red
- Right front sub sensor
- Right pretensioner (w/elr)
- Right side air bag sensor
- Right side inflator
- Steering roll connector
TRANSMISSION
2.0L TURBO
2.0L Turbo, A/T Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.0L Turbo, A/T Wiring Diagram for Subaru Impreza WRX STi 2004:
- (behind dash, left of steering column) data link connector
- (behind left side of dash) check connector
- (on right side of transmission case)
- 2-4b timing solenoid
- A/t control (transmission)
- A/t oil temp ind
- A18
- A19
- A=b134 b=b135 d=b137
- Anti-lock brakes system
- B152
- B158
- B19
- B20
- B28
- B54
- B55
- B56
- Combination meter
- Cruise control system
- D14
- Dimmer circuit
- Engine control module (ecm) (behind right side of dash)
- F37
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 10a
- Fuse 15a
- Fuse 20a
- Gb-4 (behind right side of dash)
- Hot at all times
- Hot in on or start
- I/f
- I10
- I11
- I12
- Inhibitor switch
- L/c timing solenoid
- Line end check connector (under left side of dash)
- Line pressure solenoid
- Main fuse box (m/b) (on left side of engine compt)
- Micro- computer
- Nca
- Red
- Sensor atf temperature
- Shield & sensor ground joint connector (behind right side of dash)
- Shield joint connector (behind left side of dash)
- Shift solenoid 2
- Solenoid 1 shift
- Solenoid 2-4b
- Solenoid awd
- Solenoid lock-up
- Speed- meter
- Stoplight switch (on bracket, above brake pedal)
- Throttle position sensor (on throttle body assembly)
- Transmission control module (tcm) (behind left side of dash)
- Turbine speed sensor
- Vehicle speed sensor 1
- Vehicle speed sensor 2
2.5L
2.5L, A/T Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for 2.5L, A/T Wiring Diagram for Subaru Impreza WRX STi 2004:
- (behind right side of dash)
- (on right side of engine compt) dropping resistor
- (on right side of transmission case)
- (under left side of dash) line end check connector
- 2-4b timing solenoid
- A/t control (transmission)
- A/t oil temp ind
- A10
- A=b134 b=b135 c=b136 d=b137
- Anti-lock brakes system
- Atf temperature sensor
- B13
- B152
- B158
- B19
- B52
- B54
- B55
- C15
- C18
- Check connector (behind left side of dash) data link connector (behind dash, left of steering column)
- Combination meter
- Cruise control system
- D19
- Dimmer circuit
- Engine control module (ecm) (behind right side of dash)
- F37
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 10a
- Fuse 15a
- Fuse 20a
- Fwd ind
- Fwd switch (fuse) (w/ awd) (in main fuse box (m/b))
- Gb-1 (right side of engine compt)
- Gb-4
- Hot at all times
- Hot in on or start
- Hot w/ tail & illumination relay energized
- I/f
- I10
- I11
- I12
- Inhibitor switch
- L/c timing solenoid
- Main fuse box (m/b) (on left side of engine compt)
- Micro computer
- Nca
- Red
- Shield & sensor ground joint connector (behind right side of dash)
- Shield joint connector (behind left side of dash)
- Shift solenoid 2
- Solenoid 1 shift
- Solenoid 2-4b
- Solenoid awd
- Solenoid line pressure
- Solenoid lock-up
- Speedmeter
- Stoplight switch (on bracket, above brake pedal)
- Throttle position sensor (on throttle body assembly)
- Transmission control module (tcm) (behind left side of dash)
- Turbine speed sensor
- Vehicle speed sensor 1
- Vehicle speed sensor 2
WARNING SYSTEMS
Warning Systems Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Warning Systems Wiring Diagram for Subaru Impreza WRX STi 2004:
- (on left side of engine compt)
- B152
- B158
- B280
- B281
- Combination meter
- Door warning ind
- F37
- F68
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 11 15a
- Fuse 13 10a
- Fuse 2 15a
- Fuse 6 15a
- Gb-2 (near the left headlight)
- Gb-6 (under left front of center console)
- Hot at all times
- Hot in on or start
- I10
- I11
- Integrated module (behind left side of dash)
- Key warning switch (in steering column)
- Left front door switch (at rear of left front door)
- Main fuse box (m/b)
- Seat belt switch (in driver's seat belt buckle)
- Seat belt warning light ind
WIPER/WASHER
Front Wiper/Washer Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Front Wiper/Washer Wiring Diagram for Subaru Impreza WRX STi 2004:
- B158
- Combination switch
- Front washer motor (at left front of engine compt)
- Front wiper motor (at left rear of engine compt)
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 15 30a
- Gb-3
- Hot in acc or on
- Int
- Int volume
- Intermittent wiper module
- Mist
- Mist switch
- Nca
- Off
- Park
- Rear wiper circuit
- Run
- Washer switch
- Wiper motor
- Wiper switch
Rear Wiper/Washer Wiring Diagram for Subaru Impreza WRX STi 2004
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List of elements for Rear Wiper/Washer Wiring Diagram for Subaru Impreza WRX STi 2004:
- (sedan: near license plate light) (wagon: under right taillight assembly) gb-8
- B158
- Combination switch
- F40
- Front wiper/ washer circuit
- Fuse & relay box (f/b) (behind left side of dash)
- Fuse 14 10a
- Gb-3
- Gb-8 (sedan: near license plate light) (wagon: under right taillight assembly)
- Hot in acc or on
- Nca
- Off
- Park
- Rear washer motor (at left front of engine compt)
- Rear wiper intermittent module (behind right rear quarterpanel)
- Rear wiper motor (at center of rear gate)
- Rear wiper/ washer switch
- Run
- Wash
- Wiper motor