ENGINE PERFORMANCE – Subaru Impreza TS 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.0L TURBO

2.0L Turbo, Engine Performance Wiring Diagram (1 of 4) for Subaru Impreza TS 2004

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (1 of 4) for Subaru Impreza TS 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 TS 2004

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (2 of 4) for Subaru Impreza TS 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 TS 2004

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (3 of 4) for Subaru Impreza TS 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 TS 2004

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (4 of 4) for Subaru Impreza TS 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 TS 2004

List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 3) for Subaru Impreza TS 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 TS 2004

List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 3) for Subaru Impreza TS 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 TS 2004

List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 3) for Subaru Impreza TS 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 TS 2004

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (1 of 4) for Subaru Impreza TS 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 TS 2004

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (2 of 4) for Subaru Impreza TS 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 TS 2004

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (3 of 4) for Subaru Impreza TS 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 TS 2004

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (4 of 4) for Subaru Impreza TS 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