ENGINE PERFORMANCE – Subaru Impreza WRX TR 2007 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagram (1 of 4) for Subaru Impreza WRX TR 2007

List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 4) for Subaru Impreza WRX TR 2007:

• (behind right side of dash) electronic throttle control relay
• (behind right side of dash) main relay
• B134
• B137
• B83
• Camshaft position sensor (on left front of engine)
• Crankshaft position sensor (on lower front of engine)
• Engine control module (behind right side of dash)
• Fuse & relay box (f/b) (behind left side of dash)
• Fuse 15a b152
• Fuse 15a b52
• Ge-1 (top center of engine)
• Ge-2 (top center of engine)
• Hot in on or start
• Knock sensor (at center rear of engine)
• Nca
• Pnk
• Power steering oil pressure switch (at right front of engine)
• Red
• Shield & sensor ground joint connector (behind right side of dash)

2.5L, Engine Performance Wiring Diagram (2 of 4) for Subaru Impreza WRX TR 2007

List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 4) for Subaru Impreza WRX TR 2007:

• (behind dash, left of steering column) data link connector
• A/f & oxygen sensor relay (behind right end of dash)
• A/t
• B55
• B75
• B76
• Electronic throttle control (center rear of engine)
• Engine coolant temperature sensor & thermometer (on top center of engine)
• F37
• Fuse 15a
• Fuse 30a
• Hot at all times
• Ignition coil & ignitor (on top front of engine)
• Left variable valve lift diagnosis oil pressure switch (left front of engine)
• Line end connector
• M/t
• Main fuse box (m/b) (on left side of engine compt)
• Nca
• Oil temperature sensor (top right side of engine)
• Pnk
• Pressure sensor (at top rear of engine)
• Red
• Relay block
• Right variable valve lift diagnosis oil pressure switch (top right side of engine)
• Sbf 5 fuse 30a
• Sbf holder (on left side of engine compt)
• Test mode connector
• Transmission control module (behind left side of dash)
• Vehicle speed sensor (on right side of transmission case)

2.5L, Engine Performance Wiring Diagram (3 of 4) for Subaru Impreza WRX TR 2007

List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 4) for Subaru Impreza WRX TR 2007:

• B158
• Combination meter
• Drain valve (under right rear of vehicle)
• Engine coolant temp gauge
• Fuel level sensor
• Fuel pump
• Fuel pump assembly
• 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 (f/b) (behind left side of dash)
• Fuse 10a
• Gb-7 (under right front seat)
• Hot in on or start
• I/f
• I10
• I11
• I12
• Left oil switching solenoid valve
• Mal- function indicator light
• Microcomputer
• Nca
• Oil pressure switch (on front of engine)
• Oil pressure warning light
• Pnk
• Pressure control solenoid valve (under center rear of
• Red
• Right oil switching solenoid valve
• Speed- meter
• Tacho- meter
• Vehicle)

2.5L, Engine Performance Wiring Diagram (4 of 4) for Subaru Impreza WRX TR 2007

List of elements for 2.5L, Engine Performance Wiring Diagram (4 of 4) for Subaru Impreza WRX TR 2007:

• (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
• (at right side of engine compt) air flow sensor
• (behind left side of dash) accelerator position sensor
• (behind right side of dash) joint connector
• Air conditioning system
• B122
• B135
• B136
• Computer data lines system
• Cooling fans system
• Cruise control system
• Defogger system
• Egr valve
• Engine control module (behind right side of dash)
• Front oxygen (a/f) sensor
• Ge-1 (top center of engine)
• Interior lights system
• Nca
• Pcv diagnosis switch (top right side of engine)
• Pnk
• Purge control solenoid valve (on intake manifold)
• Rear oxygen sensor (right rear of engine)
• Red
• Starting/ charging system

2.5L TURBO

2.5L Turbo, Engine Performance Wiring Diagram (1 of 4) for Subaru Impreza WRX TR 2007

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (1 of 4) for Subaru Impreza WRX TR 2007:

• (behind left side of dash) accelerator position sensor
• (behind right side of dash) joint connector b122
• (behind right side of dash) main relay
• Air conditioning system
• B134
• B135
• B152
• B271
• B52
• Crankshaft position sensor (on lower front of engine)
• Cruise control system
• Defogger system
• Electronic throttle control (at center rear of engine)
• Engine control module (behind right side of dash)
• Engine coolant temperature sensor & thermometer (on top left front of engine)
• Fuse & relay box (f/b) (behind left side of dash)
• Fuse 15a
• Fuse 20a
• Hot in acc or on
• Hot in on or start
• Interior lights system
• Knock sensor (on rear of engine)
• Left camshaft position sensor (top left of engine)
• Left tumble generator valve & angle sensor (at left rear of engine)
• Line end connector
• Nca
• Power steering oil pressure switch (at left front of engine)
• Pressure sensor (at top rear of engine)
• Red
• Right camshaft position sensor (right side of engine)
• Right tumble generator valve & angle sensor (at top right front of engine)

2.5L Turbo, Engine Performance Wiring Diagram (2 of 4) for Subaru Impreza WRX TR 2007

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (2 of 4) for Subaru Impreza WRX TR 2007:

• (behind center of dash) driver's control center differential control module
• (behind dash, left of steering column) data link connector
• (behind right side of dash) electronic throttle control relay
• (behind right side of dash) fuel pump relay
• (right rear of engine) rear oxygen sensor
• B380
• B55
• B75
• B76
• B83
• F37
• Front oxygen (a/f) sensor
• Fuel level sensor
• Fuel pump
• Fuel pump assembly
• Fuel pump control module (sedan: at right side of trunk) (wagon: behind right rear quarterpanel)
• Fuel sub level sensor (on top of fuel tank)
• Fuel tank pressure sensor (on top center of fuel tank)
• Fuel temperature sensor
• Gb-4 (behind right side of dash)
• Gb-7 (under right front seat)
• Ge-1 (top left side of of engine)
• Ge-2 (top right of engine)
• Hot at all times
• Main fuse box (m/b) (on left side of engine compt)
• Nca
• Red
• Sbf 5 fuse 30a
• Shield & sensor ground joint connector (behind right side of dash)
• Tcm (a/t) (behind left side of dash)
• Test mode connector
• Vehicle speed sensor (m/t)

2.5L Turbo, Engine Performance Wiring Diagram (3 of 4) for Subaru Impreza WRX TR 2007

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (3 of 4) for Subaru Impreza WRX TR 2007:

• (intercooler water spray motor: at right rear of trunk) intercooler water spray motor & level warning switch
• (left rear of engine) left secondary combination valve (w/ built-in pressure sensor)
• (sedan: near license plate light) (wagon: under right taillight assembly) gb-8
• Air flow sensor
• B158
• Combination meter
• Drain valve (under right rear of vehicle)
• Engine)
• Fuse & relay box (f/b) (behind left side of dash)
• Fuse 10a
• Gb-3
• Gb-4 (behind right side of dash)
• Hot in on or start
• I/f
• I10
• I11
• I12
• Intercooler water spray switch
• Intercooler water spray tank level warning light
• Intercooler water spray timer (behind right side of dash)
• Interior lights system
• Left avcs solenoid valve (top left side of
• Mal- function indicator light
• Micro computer
• Nca
• Neutral position switch (on left side of transmission)
• Oil pres- sure warning light
• Oil pressure switch (on front of engine)
• Pcv diagnosis connector (at right rear of engine)
• Pressure control solenoid valve (under center rear of
• Red
• Right avcs solenoid valve (top right side of
• Speedo- meter
• Tacho- meter
• Temp gauge
• Vehicle)

2.5L Turbo, Engine Performance Wiring Diagram (4 of 4) for Subaru Impreza WRX TR 2007

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (4 of 4) for Subaru Impreza WRX TR 2007:

• (left front of engine) secondary air pump
• (on intake manifold) purge control solenoid valve 1
• Air conditioning system
• Anti-theft system
• B136
• B137
• Cooling fans system
• Cruise control system
• Engine control module (behind right side of dash)
• F129
• Fuel injector 1 (at right front of engine)
• Fuel injector 2 (at left front of engine)
• Fuel injector 3 (at right rear of engine)
• Fuel injector 4 (at left rear of engine)
• Fuse 10a
• Gb-9 (rear of engine compt)
• Ge-1 (top left side of engine)
• Hot at all times
• 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)
• Pnk
• Purge control solenoid valve 2
• Red
• Relay holder (at left side of engine compt)
• Sbf-9 fuse 60a
• Secondary air combination valve relay 1
• Secondary air pump relay
• Secondary air relay holder
• Starting/charging system
• Wastegate control solenoid valve