ENGINE PERFORMANCE – Subaru Forester X 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

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

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

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

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

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

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

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

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

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