ENGINE PERFORMANCE – Subaru Legacy L 1999 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.2L

2.2L, Engine Performance Wiring Diagrams, California (1 of 3) for Subaru Legacy L 1999

List of elements for 2.2L, Engine Performance Wiring Diagrams, California (1 of 3) for Subaru Legacy L 1999:

• (behind left side of dash) main relay
• A/t
• Acc
• Air conditioning system
• B135
• B136
• Braided
• Camshaft position sensor (left front of engine)
• Crankshaft position sensor (lower center front of engine)
• Engine control module (under right side of dash)
• F37
• G105 (rear of right front fender)
• G117 (right rear of engine)
• Hot at all times
• Ignition switch
• Inhibitor switch (right side of transmission)
• Intake manifold pressure sensor (on throttle body)
• Knock sensor (below throttle assembly)
• M/t
• Main fuse box (behind dash, left of steering column)
• Nca
• Neutral position switch (left side of transmission)
• Not used
• Off
• Pins (22-23 not used)
• Pins (5-6 not used)
• Pnk
• Red
• Sbf 30a
• Shield joint connector (behind left side of dash)
• Start
• Starter interlock relay (behind left side of dash)
• Starting system

2.2L, Engine Performance Wiring Diagrams, California (2 of 3) for Subaru Legacy L 1999

List of elements for 2.2L, Engine Performance Wiring Diagrams, California (2 of 3) for Subaru Legacy L 1999:

• (behind left side of dash) fuel pump relay
• (right rear of engine) g117
• (right rear of vehicle) g410
• (top of fuel tank) fuel tank pressure sensor
• (under dash, right of steering column)
• (under left side of dash) check connector
• A/t
• A13
• A21
• B13
• B20
• Braided
• Data link connector
• Engine coolant temperature sensor (top front of engine)
• F40
• Front catalytic converter)
• Fuel gauge
• Fuel gauge sub module (awd)
• Fuel pump & fuel gauge module (on top of fuel tank)
• Fuel temp gauge
• Fuse & relay box (left side of engine compt)
• Fuse 15a
• G117 (right rear of engine)
• Hot in on or start
• Intake air temperature sensor (on air cleaner case)
• M/t
• Nca
• Oxygen sensor (front) (front of catalytic converter)
• Oxygen sensor (rear) (near outlet of
• Pnk
• Red
• Right of steering column)
• Sub gauge
• Test mode connector (behind dash,
• Throttle position sensor (on throttle body assembly)
• Transmission control module (behind left side of dash)
• Vehicle speed sensor (m/t) (right side of transmission)

2.2L, Engine Performance Wiring Diagrams, California (3 of 3) for Subaru Legacy L 1999

List of elements for 2.2L, Engine Performance Wiring Diagrams, California (3 of 3) for Subaru Legacy L 1999:

• (near fuel tank) fuel tank pressure control solenoid valve
• (right rear underside of vehicle) drain valve
• (right side of engine) purge control solenoid valve
• Air conditioning system
• B134
• B52
• Cooling fans system
• Engine control module (under right sie of dash)
• Fuel injectors
• Fuse & relay box (left side of engine compt)
• Fuse 10a
• G117 (right rear of engine)
• Hot in on or start
• I11
• I12
• I14
• Idle air control solenoid valve (on top of eng, near throttle body assembly)
• Ignition coil (top center of engine)
• Instrument cluster
• Malfunction indicator lamp
• Not
• Red
• Speedo- meter circuit
• Tacho- meter
• Used

2.2L, Engine Performance Wiring Diagrams, Except California (1 of 3) for Subaru Legacy L 1999

List of elements for 2.2L, Engine Performance Wiring Diagrams, Except California (1 of 3) for Subaru Legacy L 1999:

• (behind left side of dash) main relay
• A/t
• Acc
• Air conditioning system
• B135
• B136
• Braided
• Camshaft position sensor (left front of engine)
• Crankshaft position sensor (lower center front of engine)
• Engine control module (under right sie of dash)
• F37
• G105 (rear of right front fender)
• G117 (right rear of engine)
• Hot at all times
• Ignition switch
• Inhibitor switch (right side of transmission)
• Knock sensor (below throttle assembly)
• M/t
• Main fuse box (behind dash, left of steering column)
• Mass air- flow sensor (part of air intake assembly, next to air cleaner box)
• Nca
• Neutral position switch (left side of transmission)
• Not used
• Off
• Pins (22-23 not used)
• Pins (5-6 not used)
• Pnk
• Red
• Sbf 30a
• Shield joint connector (behind left side of dash)
• Start
• Starter interlock relay (behind left side of dash)
• Starting system

2.2L, Engine Performance Wiring Diagrams, Except California (2 of 3) for Subaru Legacy L 1999

List of elements for 2.2L, Engine Performance Wiring Diagrams, Except California (2 of 3) for Subaru Legacy L 1999:

• (behind left side of dash) fuel pump relay
• (right rear of engine) g117
• (right rear of vehicle) g410
• (top of fuel tank) fuel tank pressure sensor
• (under dash, right of steering column)
• (under left side of dash) check connector
• A/t
• A13
• A21
• B13
• B20
• Braided
• Catalytic converter)
• Data link connector
• Engine coolant temperature sensor (top front of engine)
• F40
• Fuel gauge
• Fuel gauge sub module (awd)
• Fuel pump & fuel gauge module (on top of fuel tank)
• Fuel temp gauge
• Fuse & relay box (left side of engine compt)
• Fuse 15a
• G117 (right rear of engine)
• Hot in on or start
• M/t
• Nca
• Not used
• Oxygen sensor (front) (front of catalytic converter)
• Oxygen sensor (rear) (rear of
• Pnk
• Pressure sensor (right side of engine compt)
• Red
• Right of steering column)
• Sub gauge
• Test mode connector (behind dash,
• Throttle position sensor (on throttle body assembly)
• Transmission control module (behind left side of dash)
• Vehicle speed sensor (m/t) (right side of transmission)

2.2L, Engine Performance Wiring Diagrams, Except California (3 of 3) for Subaru Legacy L 1999

List of elements for 2.2L, Engine Performance Wiring Diagrams, Except California (3 of 3) for Subaru Legacy L 1999:

• (near fuel tank) fuel tank pressure control solenoid valve
• (right rear underside of vehicle) drain valve
• (right side of engine) purge control solenoid valve
• Air conditioning system
• B134
• B52
• Cooling fans system
• Engine control module (under right side of dash)
• Fuel injectors
• Fuse & relay box (left side of engine compt)
• Fuse 10a
• G117 (right rear of engine)
• Hot in on or start
• I11
• I12
• I14
• Idle air control solenoid valve (on top of eng, near throttle body assembly)
• Ignition coil (top center of engine)
• Instrument cluster
• Malfunction indicator lamp
• Nca
• Pressure source switching solenoid (right side of engine compt)
• Red
• Speedo- meter circuit
• Tacho- meter

2.5L

2.5L, Engine Performance Wiring Diagrams (1 of 2) for Subaru Legacy L 1999

List of elements for 2.5L, Engine Performance Wiring Diagrams (1 of 2) for Subaru Legacy L 1999:

• (behind left side of dash) fuel pump relay
• (behind left side of dash) main relay
• (on top of fuel tank) fuel pump & fuel gauge module
• (under left side of dash) check connector
• A/c system
• B52
• Camshaft position sensor (on left of engine)
• Crankshaft position sensor (on lower center front of engine)
• Engine control module (under right side of dash)
• F37
• F40
• Fuel gauge
• Fuel gauge sub module (awd) (on top of fuel tank)
• Fuel injectors
• Fuel tank pressure sensor (top of fuel tank)
• Fuel temp gauge
• Fuse & relay box (left side of engine compt)
• Fuse 10a
• Fuse 15a
• G115 (rear of engine)
• G202 (center of dash)
• G302 (below center console)
• Hot at all times
• Hot in run or start
• Ignition coil (top center of engine)
• Ignitor (center of firewall)
• Knock sensor (on top of eng, below throttle body assembly)
• Main fuse box (behind left side of dash)
• Nca
• Oxygen sensor (front) (on front catalytic converter inlet)
• Oxygen sensor (rear) (on rear of catalytic converter)
• Red
• Sbf-2 30a

2.5L, Engine Performance Wiring Diagrams (2 of 2) for Subaru Legacy L 1999

List of elements for 2.5L, Engine Performance Wiring Diagrams (2 of 2) for Subaru Legacy L 1999:

• (part of air intake assembly, next to air cleaner box)
• (rear of engine)
• (right front of engine compartment)
• A/c system
• A/t
• A13
• A21
• Acc
• B13
• B20
• Boost sensor
• Column)
• Connector (behind dash, right side of steering
• Cooling fan system
• Data link
• Egr solenoid (on left side of engine)
• Engine control module (under right side of dash)
• Engine coolant temperature sensor (top right front of engine)
• G115
• G115 (rear of engine)
• G202 (center of dash)
• Hot at all times
• I11
• I12
• I14
• Idle air control solenoid valve (on top of eng, near throttle body assembly)
• Ignition switch
• Inhibitor switch
• Instrument cluster
• M/t
• Malfunction indicator lamp
• Mass air- flow sensor
• Nca
• Neutral position switch (on left side of transmission)
• Off
• Pnk
• Pressure control solenoid valve (under rear of vehicle, near fuel tank)
• Pressure sources switching solenoid (right side of engine compt)
• Purge control solenoid valve (on right side of engine)
• Red
• Shield joint connector (behind right kick panel)
• Short connector
• Speedo- meter circuit
• Start
• Starter interlock relay (left side of dash)
• Tacho- meter
• Test mode connector (behind dash, right of steering column)
• Throttle position sensor (on throttle body assembly)
• Transmission control module
• Vehicle speed sensor (m/t) (right side of transmission)
• Vent control solenoid valve (at right rear underside of vehicle)