ENGINE PERFORMANCE – Subaru Outback 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagram, with Low Emissions (1 of 4) for Subaru Outback 2004

List of elements for 2.5L, Engine Performance Wiring Diagram, with Low Emissions (1 of 4) for Subaru Outback 2004:

• (behind left side of dash) interrupt relay
• (left center of dash)
• (left side of engine) left front oxygen sensor
• (right side of engine) right front oxygen sensor
• A/t
• Acc
• Air conditioning system
• B134
• B135
• Camshaft position sensor (left front side of engine)
• Clutch switch (on clutch pedal bracket)
• Crankshaft position sensor (front of engine)
• Cruise control system
• Defogger system
• Engine control module (behind right side of dash)
• Ge (on left & right rear of engine)
• Hot at all times
• Ignition switch
• Inhibitor switch (right side of transmission)
• Interior lights system
• Knock sensor (on top left of engine)
• Lock
• M/t
• Nca
• Neutral position switch (m/t) (on transfer case)
• Off
• Pnk
• Power steering oil pressure switch (on power steering oil pump)
• Red
• Shield joint connector
• Short connector
• Start
• Starter interlock relay (behind left side of dash, near power window circuit breaker)
• Starting/ charging system
• W/ factory anti-theft
• W/o factory anti-theft

2.5L, Engine Performance Wiring Diagram, with Low Emissions (2 of 4) for Subaru Outback 2004

List of elements for 2.5L, Engine Performance Wiring Diagram, with Low Emissions (2 of 4) for Subaru Outback 2004:

• (left end of dash) check connector
• (lower right end of dash) shield & sensor ground joint connector
• (under left side of dash) data link connector
• (under right front seat) gb-8
• A/t
• B152
• B158
• Electric throttle (top rear of engine)
• Electric throttle relay
• Engine coolant temperature sensor & thermometer (right rear of engine)
• Fuel level sensor
• Fuel pump
• Fuel pump assembly (on top of fuel tank)
• Fuel pump condenser (sedan) (above left rear wheelwell)
• Fuel pump relay (behind left side of dash)
• Fuel sub level sensor
• Fuel temp sensor
• Fuse & relay box (left side of dash)
• Fuse 15a
• Gb-8 (under right front seat)
• Hot at all times
• Hot in on or start
• Line end check connector
• Nca
• Pnk
• Pressure sensor
• Red
• Tumble generator valve opening sensor (left front of engine)

2.5L, Engine Performance Wiring Diagram, with Low Emissions (3 of 4) for Subaru Outback 2004

List of elements for 2.5L, Engine Performance Wiring Diagram, with Low Emissions (3 of 4) for Subaru Outback 2004:

• (at front left side of center console)
• (at right kick panel) main relay
• (center rear of vehicle) internal pressure sensor
• (front of engine) oxygen sensor heater relay
• (in relay block) ignition relay
• (lower right end of dash) shield & sensor ground joint connector
• (right side of engine compt) relay block
• A/t
• Accelerator position sensor (left center of dash)
• Air flow meter (front of engine)
• B152
• B54
• B55
• B56
• B75
• B76
• Combination meter
• F37
• F68
• Fuse 15a
• Fuse sbf-5 30a
• Gb-3 (at rear of engine compt)
• Gb-7
• Hot at all times
• I/f
• I10
• I11
• I12
• Ind malfunction
• M/t
• Main fuse box (left side of compt)
• Micro computer
• Nca
• Op connector (behind left center of dash)
• Pnk
• Shift
• Speedo- meter
• Tacho- meter
• Temperature gauge
• Test mode connector
• Transmission control module (behind left side of dash)
• Vehicle speed sensor (m/t) (on right side of transmission)
• W/ sport shift
• W/o sport

2.5L, Engine Performance Wiring Diagram, with Low Emissions (4 of 4) for Subaru Outback 2004

List of elements for 2.5L, Engine Performance Wiring Diagram, with Low Emissions (4 of 4) for Subaru Outback 2004:

• (center rear of fuel tank) pressure control solenoid valve
• (left rear of engine) egr solenoid valve
• (on left & right rear of engine)
• (right rear corner of vehicle) atmospheric pressure solenoid valve
• 30a
• Air conditioning system
• B136
• B137
• B84
• Cooling fans system
• Cruise control system
• Engine control module (behind right side of dash)
• F34
• Fuel injectors
• Ge (on left & right rear of engine)
• Hot at all times
• Ignition coil & ignitor
• Internal pressure solenoid valve (rear center of vehicle)
• Left front oxygen sensor (a/f) (left rear of engine compt)
• M/t
• Nca
• Pnk
• Purge control solenoid valve
• Rear oxygen sensor (left rear of transmission)
• Red
• Right front oxygen sensor (a/f) (right rear of engine compt)
• Sbf holder (left side of engine compt)
• Tumble generator valve (top rear of engine)

2.5L, Engine Performance Wiring Diagram, without Low Emissions (1 of 3) for Subaru Outback 2004

List of elements for 2.5L, Engine Performance Wiring Diagram, without Low Emissions (1 of 3) for Subaru Outback 2004:

• (at right kick panel) main relay
• (behind left side of dash) interrupt relay
• (left rear of engine) egr solenoid valve
• (m/t)
• (on right rear of engine) ge
• A/t
• Acc
• Air conditioning system
• B135
• B136
• Camshaft position sensor (left front side of engine)
• Crankshaft position sensor (front of engine)
• Engine control module (behind right side of dash)
• Gb-3 (at rear of engine compt)
• Ge (on right rear of engine)
• Hot at all times
• Ignition switch
• Inhibitor switch (right side of transmission)
• Knock sensor (on top left of engine)
• Lock
• M/t
• Nca
• Neutral position switch (on transfer case)
• Off
• Pnk
• Power steering oil pressure switch (on power steering oil pump)
• Red
• Shielded
• Short connector
• Start
• Starter interlock relay (behind left side of dash, near power window circuit breaker)
• Starting/ charging & headlights system
• Starting/ charging system
• W/ dealer installed anti-theft
• W/ factory anti-theft
• W/o anti-theft

2.5L, Engine Performance Wiring Diagram, without Low Emissions (2 of 3) for Subaru Outback 2004

List of elements for 2.5L, Engine Performance Wiring Diagram, without Low Emissions (2 of 3) for Subaru Outback 2004:

• (left end of dash) check connector
• (lower right end of dash) shield & sensor ground joint connector
• (on right rear of engine) ge
• (under left side of dash) data link connector
• (under right front seat) gb-8
• A/t
• B152
• B158
• Engine coolant temperature sensor & thermometer (right rear of engine)
• Front oxygen sensor (a/f) (top of engine)
• Fuel gauge sub module (on top of fuel tank)
• Fuel level sensor
• Fuel pump assembly (on top of fuel tank)
• Fuel pump condenser (sedan) (above left rear wheelwell)
• Fuel pump relay (behind left side of dash)
• Fuel sub level sensor
• Fuel tank pressure sensor
• Fuel temp sensor
• Fuse & relay box (left end of dash)
• Fuse 15a
• Ge (on right rear of engine)
• Hot at all times
• Hot in on or start
• Intake air temp- erature sensor (on air cleaner case)
• Line end check connector
• M/t
• Nca
• Pnk
• Pressure sensor (on top rear of engine)
• Rear oxygen sensor (left side of engine)
• Red
• Shielded
• Throttle position sensor
• Vehicle speed sensor (m/t) (on right side of transmission)

2.5L, Engine Performance Wiring Diagram, without Low Emissions (3 of 3) for Subaru Outback 2004

List of elements for 2.5L, Engine Performance Wiring Diagram, without Low Emissions (3 of 3) for Subaru Outback 2004:

• (2 & 4: top left of engine) (1 & 3: top right of engine) fuel injectors
• (center rear of fuel tank) pressure control solenoid valve
• (in relay block) ignition relay
• (on intake manifold) air assist injector solenoid valve
• (rear center of vehicle) internal pressure solenoid valve
• (rear corner of vehicle) atmospheric pressure solenoid valve
• Air conditioning system
• B134
• B137
• B152
• B54
• B55
• B56
• Combination meter
• Cooling fans system
• Defogger system
• Engine control module (behind right side of dash)
• F37
• F68
• Fuse & relay box (left end of dash)
• Fuse 15a
• Fuse sbf-5 30a
• Gb-3 (at rear of engine compt)
• Ge (on right rear of engine)
• Ge-7
• Hot at all times
• I/f
• I10
• I11
• I12
• Idle air control solenoid valve (on throttle body)
• Ignition coil & ignitor (at rear of of engine)
• Interior lights system
• Main fuse box (left side of engine compt)
• Mal- function indicator lamp
• Micro computer
• Op connector (behind left center of dash)
• Pnk
• Purge control solenoid valve
• Shielded
• Speedo- meter
• Sports shift
• Tacho- meter
• Temperature gauge
• Test mode connector
• Trans- mission control module (behind left side of dash)
• W/o

3.0L

3.0L, Engine Performance Wiring Diagram (1 of 4) for Subaru Outback 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 4) for Subaru Outback 2004:

• (at right kick panel) main relay
• (behind left side of dash) interrupt relay
• (right side of transmission) inhibitor switch
• Acc
• Air conditioning system
• B134
• B135
• Camshaft position sensor (right rear of engine)
• Crankshaft position sensor (on rear of engine)
• Defogger system
• Engine control module (behind right side of dash)
• Fuel pump control module (sedan: left side of trunk) (wagon: left side of luggage compt)
• Gb-3 (rear of engine compt)
• Gb-8 (under right front seat)
• Ge (on right rear of engine)
• Hot at all times
• Ignition switch
• Interior lights system
• Knock sensor 1 (on right center of engine)
• Knock sensor 2 (on left center of engine)
• Lock
• Nca
• Off
• Pnk
• Power steering oil pressure switch (on power steering oil pump)
• Red
• Shield
• Short connector
• Start
• Starting/ charging system
• W/ factory anti-theft
• W/ on-star
• W/o factory anti-theft
• W/o on-star

3.0L, Engine Performance Wiring Diagram (2 of 4) for Subaru Outback 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 4) for Subaru Outback 2004:

• (at rear of engine compt)
• (center rear of vehicle) internal pressure sensor
• (in relay block) ignition relay
• (upper left center of dash) line end check connector
• B152
• B158
• Combination meter
• Engine coolant temperature sensor & thermometer (left front of engine)
• F37
• F68
• Fuel gauge
• Fuel gauge sub module (on top of fuel tank)
• Fuel pump assembly & fuel gauge module (on top of fuel tank)
• Fuel pump relay (behind left side of dash)
• Fuel temp gauge
• Fuse & relay box (left end of dash)
• Fuse 15a
• Fuse sbf-5 30a
• Gb-3
• Gb-3 (at rear of engine compt)
• Hot at all times
• Hot in on or start
• I/f
• I10
• I11
• I12
• Instrument cluster system
• Intake air temperature sensor (on air cleaner case)
• Main fuse box (left side of engine compt)
• Mal- function indicator lamp
• Micro computer
• Nca
• Pnk
• Pressure sensor (on top front of engine)
• Shield
• Speedo- meter circuit
• Sub gauge
• Tacho- meter
• Throttle position sensor (on throttle body)

3.0L, Engine Performance Wiring Diagram (3 of 4) for Subaru Outback 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 4) for Subaru Outback 2004:

• (behind left center of dash) op connector
• (behind left side of dash)
• (left end of dash) check connector
• (under left side of dash) data link connector
• (w/ vdc)
• (w/o vdc)
• B54
• B55
• B56
• B76
• Egr solenoid valve (left front of engine)
• End of dash)
• Idle speed control solenoid valve (on throttle body)
• Induction valve control solenoid (on top front center of engine)
• Left front oxygen (a/f) sensor (left side of engine)
• Nca
• Pnk
• Purge control solenoid valve
• Rear oxygen oxygen (on rear catalytic converter)
• Red
• Right front oxygen (a/f) sensor (right side of engine)
• Shield
• Shielded & sensor ground joint connector (lower right
• Test mode connector b75
• Transmission control module

3.0L, Engine Performance Wiring Diagram (4 of 4) for Subaru Outback 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (4 of 4) for Subaru Outback 2004:

• (at left rear corner of engine compt) vdc control module
• (center rear of fuel tank) pressure control solenoid valve
• (rear center of vehicle) atmospheric pressure solenoid valve
• (rear center of vehicle) internal pressure solenoid valve
• Air conditioning & cooling fans
• Air conditioning & cooling fans system
• B136
• B137
• Engine control module (behind right side of dash)
• Fuel injectors
• Ge (on right rear of engine)
• Ignition coil 1 (top right of engine)
• Ignition coil 2 (top left of engine)
• Ignition coil 3 (top right of engine)
• Ignition coil 4 (top left of engine)
• Ignition coil 5 (top right of engine)
• Ignition coil 6 (top left of engine)
• Pnk
• Red
• Starting & charging system