ENGINE PERFORMANCE – Subaru Legacy L 2002 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagrams (1 of 3) for Subaru Legacy L 2002

List of elements for 2.5L, Engine Performance Wiring Diagrams (1 of 3) for Subaru Legacy L 2002:

• (behind left side of dash) interrupt relay
• (behind right side of dash) main relay
• (pins 15 22 & 23 not used)
• A/t
• Acc
• Air condi- tioning system
• B135
• B136
• Braided
• Camshaft position sensor (on left camshaft support)
• Crankshaft position sensor (front of eng, on oil pump)
• Day time running light control module & starter motor
• Defogger system
• Engine control module (behind right side of dash)
• Exterior lights sysyem
• Gb-3 (center of firewall)
• Ge (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)
• Pressure sensor & intake air temperature sensor (top of front eng)
• Red
• Shield & sensor ground joint connector (right side of dash)
• 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 Diagrams (2 of 3) for Subaru Legacy L 2002

List of elements for 2.5L, Engine Performance Wiring Diagrams (2 of 3) for Subaru Legacy L 2002:

• (at center of dash) check connector
• (at center of dash) data link connector
• (below center of dash) gb-8
• (rear of eng) ge
• (right rear of fuel tank) fuel tank pressure sensor
• (right side of dash) shield & sensor ground joint connector
• A/t
• B152
• B158
• Braided
• 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 (rear of eng)
• Hot at all times
• Hot in on or start
• Instru- ment cluster system
• Line end check connector
• M/t
• Nca
• Pnk
• Rear oxygen sensor (rear of catalytic converter)
• Red
• Throttle position sensor (on throttle body)
• Vehicle speed sensor (m/t) (right side of transmission)

2.5L, Engine Performance Wiring Diagrams (3 of 3) for Subaru Legacy L 2002

List of elements for 2.5L, Engine Performance Wiring Diagrams (3 of 3) for Subaru Legacy L 2002:

• (center rear of fuel tank) pressure control solenoid valve
• (in relay block) ignition relay
• (on intake manifold) purge control solenoid valve
• (rear center of vehicle) internal pressure solenoid valve
• (right rear corner of vehicle) atmospheric pressure solenoid
• A13
• A21
• A22
• Air assist injector solenoid valve (on intake manifold)
• Air conditioning system
• B13
• B134
• B152
• B20
• Combination meter
• Cooling fans system
• Custom cpu
• Engine control module (behind right side of dash)
• F37
• F68
• Fuel injectors
• Fuse & relay box (behind left side of dash)
• Fuse 15a
• Fuse sbf-5 30a
• Gb-3 (center of fire- wall)
• Ge (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 (left side of eng compt, rear of battery)
• Mal- function indicator lamp
• Op connector (behind center of dash)
• Pnk
• Speedo- meter circuit
• Tacho- meter
• Test mode connector (behind center of dash)
• Transmission control module (behind center of dash)