ENGINE PERFORMANCE – Subaru Forester XT Limited 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagram (1 of 4) for Subaru Forester XT Limited 2008

List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 4) for Subaru Forester XT Limited 2008:

• (m/t)
• A/t
• Accelerator position sensor (under left side of dash)
• Air conditioning system
• Anti-theft system
• B135
• B136
• B152
• B158
• Canada
• Computer data lines system
• Cooling fans system
• Cruise control system
• Defogger system
• Engine control module (under right side of dash)
• Fuel gauge main unit
• Fuel gauge sub unit
• Fuel pump assembly (on top of fuel tank)
• Fuel sub level sensor (in fuel tank)
• Fuel tank pressure sensor (at top of fuel tank)
• Fuel temp sensor
• Fuse & relay box (f/b) (behind left side of dash)
• Fuse 10a
• Fuse 15a
• Ge (left or right side of engine)
• Ground joint connector (at right rear corner of vehicle)
• Hot in on or start
• Inhibitor switch (right side of automatic transmission)
• Interior lights system
• M/t
• Mass air flow sensor (right front of engine compt)
• Nca
• Neutral position switch (m/t) (on left side of transmission)
• R147
• Red
• Starter interlock relay (under left side of dash, on relay block)
• Starting/ charging system
• Starting/charging system
• Usa
• Usa california emission
• Usa except california emission, canada

2.5L, Engine Performance Wiring Diagram (2 of 4) for Subaru Forester XT Limited 2008

List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 4) for Subaru Forester XT Limited 2008:

• (behind left side of dash) (w/ security system) interrupt relay
• (under dash, left of steering column) data link connector
• (under left side of dash, on relay block) ignition relay
• A/t
• Acc
• Anti-theft system
• B55
• B75
• B76
• Combination meter
• Driver
• Engine coolant temperature gauge
• Fuel pump relay (behind right side of dash)
• Gb-1 (at left kick panel)
• Ge (left or right side of engine)
• Hot at all times
• I/f
• I10
• I11
• I12
• Ignition switch
• Instrument cluster system
• Lock
• M/t
• Mal- function ind light
• Microcomputer
• Nca
• Speedometer
• Start
• Tachometer
• Test mode connector (under left side of dash)
• Transmission control module (behind left side of dash)
• Vehicle speed sensor (m/t) (on right side of transmission case)

2.5L, Engine Performance Wiring Diagram (3 of 4) for Subaru Forester XT Limited 2008

List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 4) for Subaru Forester XT Limited 2008:

• (behind right side of dash) electronic throttle control relay
• (behind right side of dash) main relay
• (left or right side of engine)
• (under rear of vehicle, near fuel tank) pressure control solenoid valve
• A/f & oxygen sensor relay
• B122
• Camshaft position sensor (on left front of engine)
• Crankshaft position sensor (on lower center front of engine)
• Egr solenoid valve (at top left of engine)
• Electronic throttle control (on top of engine)
• F37
• F68
• Front oxygen (a/f) sensor (on front catalytic converter inlet)
• Fuse 15a
• Ge (left or right side of engine)
• Hot at all times
• Main fuse box (m/b) (at left side of engine compt)
• Nca
• Pnk
• Rear oxygen sensor (on rear catalytic converter)
• Red
• Relay block (behind right side of dash)
• Sbf holder (on left side of engine compt)
• Sbf-5 fuse 30a
• Sbf-8 fuse 30a
• Shield & sensor joint connector (under right side of dash)

2.5L, Engine Performance Wiring Diagram (4 of 4) for Subaru Forester XT Limited 2008

List of elements for 2.5L, Engine Performance Wiring Diagram (4 of 4) for Subaru Forester XT Limited 2008:

• (at top left front of engine) fuel injector 2
• (at top left rear of engine) fuel injector 4
• (at top right front of engine) fuel injector 1
• (at top right of engine) cpc solenoid
• (at top right rear of engine) fuel injector 3
• (left or right side of engine)
• (left side of engine) left oil switching solenoid valve
• (on top center of engine) ignition coil & igniter
• (top of engine) right oil switching solenoid valve
• (under rear of vehicle, near fuel tank) drain valve
• B134
• B137
• Engine control module (under right side of dash)
• Engine coolant temperature sensor & thermometer (on top right front of engine)
• Ge (left or right side of engine)
• Knock sensor (on top of engine below throttle body assembly)
• Left variable valve lift diagnosis oil pressure switch (left side of engine)
• Nca
• Oil temperature sensor (top of engine)
• Pcv diagnosis connector (at rear of engine)
• Pnk
• Power steering oil pressure switch (on right front of engine)
• Pressure sensor (on top of engine, behind generator)
• Red
• Right variable valve lift diagnosis oil pressure switch (top of engine)

2.5L TURBO

2.5L Turbo, Engine Performance Wiring Diagram (1 of 4) for Subaru Forester XT Limited 2008

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (1 of 4) for Subaru Forester XT Limited 2008:

• (behind left side of dash) (w/ security system) interrupt relay
• (behind right side of dash) electronic throttle control relay
• (behind right side of dash) main relay
• (left or right side of engine)
• Acc
• Anti- theft system
• B134
• B137
• Crankshaft position sensor (on lower center front of engine)
• Engine control module (under right side of dash)
• Ge (left or right side of engine)
• Hot at all times
• Ignition switch
• Knock sensor (on top of engine, below throttle body assembly)
• Left active valve control solenoid (at left side of engine)
• Left avcs camshaft position sensor
• Left tumble generator valve (at left rear of engine)
• Lock
• Nca
• Pcv diagnosis connector (at rear of engine)
• Pnk
• Power steering oil pressure switch (on right front of engine)
• Red
• Right active valve control solenoid (at right side of engine)
• Right avcs camshaft position sensor
• Right tumble generator valve (at right front of engine)
• Run
• Start

2.5L Turbo, Engine Performance Wiring Diagram (2 of 4) for Subaru Forester XT Limited 2008

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (2 of 4) for Subaru Forester XT Limited 2008:

• (at top left front of engine) fuel injector 2
• (at top left rear of engine) fuel injector 4
• (at top right front of engine) fuel injector 1
• (at top right of engine) cpc solenoid 1
• (at top right rear of engine) fuel injector 3
• (top center of engine) cpc solenoid 2
• B152
• B158
• Combination meter
• Driver
• Engine coolant temperature gauge
• Front oxygen (a/f) sensor (on front catalytic converter inlet)
• Fuel pump relay (behind right side of dash)
• Fuse & relay box (f/b) (behind left side of dash)
• Fuse 10a
• Fuse 15a
• Gb-3 (at right kick panel)
• Ge (left or right side of engine)
• Hot in on or start
• I/f
• I10
• I11
• I12
• Ignition coil 1 (on top right front of engine)
• Ignition coil 2 (on top left front of engine)
• Ignition coil 3 (on top right rear of engine)
• Ignition coil 4 (on top left rear of engine)
• Mal- function ind light
• Microcomputer
• Nca
• Rear oxygen sensor (rear of transmission)
• Red
• Speedo- meter
• Tacho- meter
• Waste gate control solenoid

2.5L Turbo, Engine Performance Wiring Diagram (3 of 4) for Subaru Forester XT Limited 2008

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (3 of 4) for Subaru Forester XT Limited 2008:

• (at top of fuel tank)
• (right front of engine compt)
• (under dash, left of steering column) data link connector
• (under left side of dash) accelerator position sensor
• (under left side of dash) test mode connector
• (under left side of dash, on relay block) ignition relay
• (under right side of dash) shield & sensor joint connector
• B122
• B125
• B126
• B75
• B76
• Electronic throttle control (on top of engine)
• Engine coolant temperature sensor & thermometer (on top right front of engine)
• F37
• F68
• Fuel gauge main unit
• Fuel gauge sub unit
• Fuel pump assembly (on top of fuel tank)
• Fuel pump control module (behind right rear quarterpanel)
• Fuel sub level sensor (in fuel tank)
• Fuel tank pressure sensor
• Fuel temp sensor
• Fuse 15a
• Gb-1 (at left kick panel)
• Ge (left or right side of engine)
• Ground joint connector (at right
• Hot at all times
• Left tumble generator valve position sensor (at left front of engine)
• Line end connector
• Main fuse box (m/b) (at left side of engine compt)
• Mass air flow sensor
• Nca
• Pressure sensor (on top of engine, behind generator)
• R147
• Rear corner of vehicle)
• Red
• Right tumble generator valve position sensor (at right rear of engine)
• Sbf-5 fuse 30a

2.5L Turbo, Engine Performance Wiring Diagram (4 of 4) for Subaru Forester XT Limited 2008

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (4 of 4) for Subaru Forester XT Limited 2008:

• (front of engine compt) secondary air pump
• (left rear of engine) (w/ built-in pressure sensor) left secondary air combination valve
• (near main fuse box) secondary air relay
• (top of engine) right secondary air combination valve
• (under rear of vehicle, near fuel tank) drain valve
• (under rear of vehicle, near fuel tank) pressure control solenoid valve
• A/t
• Air conditioning system
• Anti- theft system
• Anti-theft system computer data lines system
• B135
• B136
• B55
• Charging system
• Computer data lines system
• Cooling fans system
• Cruise control system
• Defogger system
• Engine control module (under right side of dash)
• Fuse 10a
• Ge (left or right side of engine)
• Gf-3
• Hot at all times
• Inhibitor switch (right side of automatic transmission)
• Interior lights system
• M/t
• Nca
• Neutral switch (m/t) (left rear of transmission)
• Red
• Sbf-9 fuse 60a
• Secondary air combination valve relay 1
• Secondary air combination valve relay 2
• Secondary air relay (near main fuse box)
• Starter interlock relay (under left side of dash, on relay block)
• Starting/charging system
• Transmission control module (behind left side of dash)
• Vehicle speed sensor (m/t) (on right side of transmission case)