ENGINE PERFORMANCE – Subaru Legacy R 2013 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagram (1 of 5) for Subaru Legacy R 2013

List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 5) for Subaru Legacy R 2013:

• (left side of engine) purge control solenoid valve
• (on power steering oil pump) power steering oil pressure switch
• (top of left cylinder head) fuel injector 2
• (top of left cylinder head) fuel injector 4
• (top of right cylinder head) fuel injector 1
• (top of right cylinder head) fuel injector 3
• B134
• B136
• B21
• B21 e2
• Ecm (right side of dash)
• Egr control valve (right rear of engine)
• Ge-1
• Ge-2
• Ignition coil 1 (right side of engine)
• Ignition coil 2 (left side of engine)
• Ignition coil 3 (right side of engine)
• Ignition coil 4 (left side of engine)
• Left intake camshaft position sensor
• Pnk
• Red
• Right intake oil control solenoid
• Shield

2.5L, Engine Performance Wiring Diagram (2 of 5) for Subaru Legacy R 2013

List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 5) for Subaru Legacy R 2013:

• (front of engine) crankshaft position sensor
• (left side of dash) (m/t) clutch switch
• B21 e2
• B52
• E2 b21
• Electronic throttle control (rear of engine)
• Engine coolant temperature sensor (top front of engine)
• Engine oil temperature sensor (rear of right cylinder head)
• Fuse & relay box (f/b) (left kick panel)
• Fuse 15a
• Fuse 7.5a
• Ge (right rear of engine)
• Ge-1
• Hot at all times
• Hot in on or start
• Hot w/ ig2 relay energized
• I152
• Knock sensor (top left rear of engine)
• Left intake oil control solenoid
• Left tumble generator valve actuator (left rear of engine)
• Manifold absolute pressure sensor (right rear of engine)
• Pnk
• Red
• Right intake camshaft position sensor
• Right tumble generator valve actuator (right rear of engine)
• Shield

2.5L, Engine Performance Wiring Diagram (3 of 5) for Subaru Legacy R 2013

List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 5) for Subaru Legacy R 2013:

• & receiver transceiver can
• (in fuel tank) fuel pump assembly
• (in relay holder) fuel pump relay
• (sedan: center front of luggage compt)
• (wagon: right quarterpanel)
• B158
• B21
• B38
• C6 model
• Combination meter
• Computer data lines system
• Driver circuit
• Engine
• Engine coolant
• Except for c6 model
• Fuel level sensor
• Fuel pump
• Fuse & relay box (f/b) (left kick panel)
• Fuse 15a
• Fuse 20a
• Fuse 7.5a
• Gb-5 (right kick panel)
• Gb-7
• Hot at all times
• I/f
• I1 b36
• Ind temperature coolant
• Indicator malfunction
• Instrument cluster system
• Light
• Light ind warning oil pressure
• Light ind warning temperature
• Low engine oil warning light ind
• Main fuse box (m/b) (left side of engine compt)
• Micro computer
• Oil pressure switch (front center of engine)
• R15
• R333
• R57
• Red
• Shield
• Tacho- meter
• Temperature) engine oil (high buzzer
• W/ luminescent meter
• W/o luminescent meter
• I155

2.5L, Engine Performance Wiring Diagram (4 of 5) for Subaru Legacy R 2013

List of elements for 2.5L, Engine Performance Wiring Diagram (4 of 5) for Subaru Legacy R 2013:

• (in relay holder)
• (right front of engine) front oxygen (a/f) sensor
• (right front of engine) rear oxygen sensor
• (right side of engine compt) mass air flow & intake air temperature sensor
• A/f, oxygen sensor relay
• B22
• C6 model
• Electronic throttle control relay
• Fuse 15a
• Ge-1
• Hot at all times
• Ig relay
• J/c b83 (right kick panel)
• Main fuse box (m/b) (left side of engine compt)
• Main relay
• Nca
• Red
• Shield

2.5L, Engine Performance Wiring Diagram (5 of 5) for Subaru Legacy R 2013

List of elements for 2.5L, Engine Performance Wiring Diagram (5 of 5) for Subaru Legacy R 2013:

• (right kick panel) j/c b138
• Accelerator pedal position sensor (left side of dash)
• B135
• B137
• B280
• B38
• Body integrated unit (center of dash)
• C6 model
• Computer data lines system
• Cooling fans system
• Cruise control system
• Delivery (test) mode fuse 36
• Ecm (right side of dash)
• Elcm
• I54
• Main fuse box (m/b) (left side of engine compt)
• Oil level switch (rear of left cylinder head)
• Pnk
• Pressure sensor
• Pump
• R339
• R99
• Red
• Shield
• Starting/ charging system
• Stop light & brake switch (left side of dash)
• Switching valve
• Vacuum m

3.6L

3.6L, Engine Performance Wiring Diagram (1 of 5) for Subaru Legacy R 2013

List of elements for 3.6L, Engine Performance Wiring Diagram (1 of 5) for Subaru Legacy R 2013:

• (rear of engine) electronic throttle control
• (top of left cylinder head) fuel injector 2
• (top of left cylinder head) fuel injector 4
• (top of left cylinder head) fuel injector 6
• (top of right cylinder head) fuel injector 1
• (top of right cylinder head) fuel injector 3
• (top of right cylinder head) fuel injector 5
• Accelerator pedal position sensor (left side of dash)
• Air conditioning system
• B134
• B135
• B21
• B280
• Body integrated unit (center of dash)
• Computer data lines system
• Ecm (right side of dash)
• Ge (left rear of engine)
• Ignition coil 1 (right side of engine)
• Ignition coil 2 (left side of engine)
• Ignition coil 3 (right side of engine)
• Ignition coil 4 (left side of engine)
• Ignition coil 5 (right side of engine)
• Ignition coil 6 (left side of engine)
• Pnk
• Red
• Shield
• Starting/ charging system

3.6L, Engine Performance Wiring Diagram (2 of 5) for Subaru Legacy R 2013

List of elements for 3.6L, Engine Performance Wiring Diagram (2 of 5) for Subaru Legacy R 2013:

• & receiver transceiver can
• (front of left cylinder head) left exhaust oil flow control solenoid valve
• (front of left cylinder head) left intake oil flow control solenoid valve
• (front of right cylinder head) right exhaust oil flow control solenoid valve
• (front of right cylinder head) right intake oil flow control solenoid valve
• (rear of engine) egr valve
• (right rear of engine) manifold absolute pressure sensor
• B21
• B36
• B38
• C6 module
• Combination meter
• Computer data lines system
• Coolant engine
• Driver circuit
• E76
• E77
• Eco gauge
• Engine coolant temperature
• Except for c6 module
• Fuse & relay box (f/b) (left kick panel)
• Fuse 5 7.5a
• Fuse 7 7.5a
• Gb-5 (right kick panel)
• Hot at all times
• Hot in on or start
• I/f
• I152
• Ind
• Indicator light
• Light ind oil warning low engine
• Light ind warning oil pressure
• Malfunction
• Micro computer
• Oil pressure switch (right front of engine)
• Red
• Red red
• Shield
• Tacho- meter
• Temperature warning light ind
• Temperature) engine oil buzzer (high

3.6L, Engine Performance Wiring Diagram (3 of 5) for Subaru Legacy R 2013

List of elements for 3.6L, Engine Performance Wiring Diagram (3 of 5) for Subaru Legacy R 2013:

• (right kick panel) j/c b138
• A/f, o2 sensor relay (in relay holder)
• B158
• B21
• B52
• Delivery (test) mode fuse 36
• E2 b21
• E76
• E76 e77
• E77
• Electronic throttle control relay (in relay holder)
• Energized
• Fuse & relay box (f/b) (left kick panel)
• Fuse 12 15a
• Fuse 12 7.5a
• Fuse 13 15a
• Fuse 14 15a
• Fuse 15 15a
• Fuse 16 15a
• Fuse 20 20a
• Fuse 4 7.5a
• Fuse 8 15a
• Hot at all times
• Hot in on or start
• Hot w/ ig2 relay
• Ig relay (in relay holder)
• Main fuse box (m/b) (left side of engine compt)
• Main relay (in relay holder)
• Pnk
• Purge control solenoid valve (right rear of engine)
• Red
• Shield
• Stop light & brake switch (left side of dash)

3.6L, Engine Performance Wiring Diagram (4 of 5) for Subaru Legacy R 2013

List of elements for 3.6L, Engine Performance Wiring Diagram (4 of 5) for Subaru Legacy R 2013:

• (downstream of catalytic converter)
• (downstream of catalytic converter) left rear oxygen sensor
• (in fuel tank) fuel pump assembly
• (in relay holder) fuel pump relay
• (left cylinder head exhaust)
• (sedan: right side of luggage compt) (wagon: right quarterpanel) fuel pump control unit
• B21
• B22
• B38
• E3 b22
• Elcm
• Fuel level sensor
• Fuel pump
• Gb-8 (base of right "b" pillar)
• Ge (left rear of engine)
• I155
• I3 b38
• Instrument cluster system
• J/c b479 (left front of engine compt)
• J/c b83 (right kick panel)
• Knock sensor 1 (right center of engine)
• Knock sensor 2 (left center of engine)
• Left exhaust camshaft position sensor (front of left cylinder head)
• Left front oxygen (a/f) sensor
• Nca
• Pnk
• Pressure sensor
• R15
• R333
• R339 i2
• R57
• R99 i54
• Red
• Right exhaust camshaft position sensor (front of right cylinder head)
• Right intake camshaft position sensor (right rear of engine)
• Right rear oxygen sensor
• Shield
• Switching valve
• Vacuum pump

3.6L, Engine Performance Wiring Diagram (5 of 5) for Subaru Legacy R 2013

List of elements for 3.6L, Engine Performance Wiring Diagram (5 of 5) for Subaru Legacy R 2013:

• (right cylinder head exhaust) right front oxygen (a/f) sensor
• (right side of engine compt) mass air flow & intake air temperature sensor
• B136
• B137
• B21
• B22
• Computer data lines system
• Crankshaft position sensor (rear of engine)
• Cruise control system
• Ecm (right side of dash)
• Engine coolant temperature sensor & thermometer (left front of engine)
• Ge (left rear of engine)
• J/c b503
• Left intake camshaft position sensor (left rear of engine)
• Nca
• Oil level switch (lower left side of engine)
• Oil temperature sensor (left cylinder head)
• Pnk
• Power steering oil pressure switch (on power steering oil pump)
• Red
• Shield
• Starting/charging system