ENGINE PERFORMANCE – Subaru Outback Limited 2003 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagram (1 of 3) for Subaru Outback Limited 2003

List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 3) for Subaru Outback Limited 2003:

• (behind left side of dash) interrupt relay
• (on left side of engine) egr solenoid valve
• (right kick panel) main relay
• A/c system
• A/t
• Acc
• B135
• B136
• Camshaft position sensor (on left camshaft support)
• Crankshaft position sensor (front of eng, on oil pump)
• Day time running light control module & starter motor
• Engine control module (behind right side of dash)
• Gb-3 (rear of engine compt)
• Ge (right rear of eng)
• Hot at all times
• Ignition switch
• Inhibitor switch (right side of transmission case)
• Knock sensor (top rear of eng)
• 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)
• Starting system
• Starting/ charging system
• W/ anti-theft
• W/o anti-theft (w/ security conn)
• W/o anti-theft (w/o security conn)

2.5L, Engine Performance Wiring Diagram (2 of 3) for Subaru Outback Limited 2003

List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 3) for Subaru Outback Limited 2003:

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

2.5L, Engine Performance Wiring Diagram (3 of 3) for Subaru Outback Limited 2003

List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 3) for Subaru Outback Limited 2003:

• (center rear of fuel tank) pressure control solenoid valve
• (in relay block) ignition relay
• (on intake manifold) air assist injector solenoid valve
• (on intake manifold) purge control solenoid valve
• (rear center of vehicle) internal pressure solenoid valve
• (right rear corner of vehicle) atmospheric pressure solenoid
• A/c system
• B134
• B137
• B152
• B54
• B55
• Combination meter
• Cooling fans system
• Custom cpu
• Defogger system
• Engine control module (behind right side of dash)
• Exterior lights system
• F37
• F68
• Fuel injectors
• Fuse & relay box (behind left side of dash)
• Fuse 15a
• Fuse sbf-5 30a
• Gb-3 (rear of engine compt)
• Ge (right rear of eng)
• Hot at all times
• I/f
• I10
• I11
• I12
• I15
• Idle air control solenoid valve (on throttle body)
• Ignition coil & ignitor (top front of eng)
• Main fuse box
• Mal- function indicator lamp
• Op connector (behind center of dash)
• Pnk
• Shielded
• Speedo- meter circuit
• Tacho- meter
• Test mode connector (behind center of dash)
• Transmission control module (behind left side of dash)

3.0L

3.0L, Engine Performance Wiring Diagram (1 of 4) for Subaru Outback Limited 2003

List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 4) for Subaru Outback Limited 2003:

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

3.0L, Engine Performance Wiring Diagram (2 of 4) for Subaru Outback Limited 2003

List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 4) for Subaru Outback Limited 2003:

• (in relay block) ignition relay
• (on fuel tank) fuel tank pressure sensor
• (rear of engine compt)
• B152
• B158
• Combination meter
• Custom cpu
• Engine coolant temperature sensor & thermometer (on left front of eng)
• F37
• F68
• Fuel gauge
• Fuel gauge sub module (on top of fuel tank)
• Fuel pump & fuel gauge module (on top of fuel tank)
• Fuel pump relay (behind left side of dash)
• Fuel temp gauge
• Fuse & relay box (behind left side of dash)
• Fuse 15a
• Fuse sbf-5 30a
• Gb-3
• Gb-3 (rear of engine compt)
• Hot at all times
• Hot in on or start
• I/f
• I10
• I11
• I12
• I15
• Instru- ment cluster system
• Intake air temperature sensor (on air cleaner case)
• Line end check connector
• Main fuse box (left side of eng compt, rear of battery)
• Mal- function indicator lamp
• Nca
• Pnk
• Pressure sensor (top front of eng)
• 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 Limited 2003

List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 4) for Subaru Outback Limited 2003:

• (at center of dash) check connector
• (at center of dash) data link connector
• (behind at center of dash) op connector
• (behind at center of dash) test mode connector b75
• (behind left side of dash)
• (w/o vdc)
• (w/vdc)
• B54
• B55
• B56
• B76
• Egr solenoid valve (on left front of eng)
• Front oxygen (a/f) sensor (left) (left side of eng)
• Front oxygen (a/f) sensor (right) (right side of eng)
• Idle speed control solenoid valve (on throttle body)
• Induction valve control solenoid (on top front center of eng)
• Nca
• Oxygen sensor (rear) (rear catalytic converter)
• Pnk
• Purge control solenoid valve (on intake manifold)
• Red
• Shield
• Shielded & sensor ground joint connector (right
• Side of dash)
• Transmission control module

3.0L, Engine Performance Wiring Diagram (4 of 4) for Subaru Outback Limited 2003

List of elements for 3.0L, Engine Performance Wiring Diagram (4 of 4) for Subaru Outback Limited 2003:

• (center rear of fuel tank) pressure control solenoid valve
• (left rear corner of eng compt) vdc control module
• (rear center of vehicle) internal pressure solenoid
• (right rear corner of vehicle) atmospheric pressure solenoid
• Air condi- tioning system
• B136
• B137
• Cooling fans system
• Engine control module (behind right side of dash)
• Fuel injectors
• Ge (right rear of eng)
• Generator
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Pnk
• Red