Diagram sections — 28 (58 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Manual A/C Wiring Diagram for Subaru Legacy L 2004 List of elements for Manual A/C Wiring Diagram for Subaru Legacy L 2004: 49 (at left front of engine compt) (behind right side (on right side of upper intake unit case) fresh/recirc actuator (right front of engine compt) sub fan motor A/c pressure switch (on a/c receiver-drier) A/c relay holder A/c relay holder (left side of engine compt) Air conditioning relay B134 B135 B136 B137 B152 B52 B84 Blower motor (behind right side of dash) Blower motor relay (at left kick panel) Blower motor resistor (behind right side of dash) Combination meter Engine control module (behind right side of dash) Engine controls system Engine coolant temperature sensor & thermometer (right rear of engine) Evaporator thermo switch F41 Fuse & relay box (left rear of engine compt) Fuse 15a Fuse 20a Gb-2 Gb-5 (under front of center console) Gb-7 (at front left side of center console) Hot at all times Hot in on or start I12 I15 I17 Interior lights system Magnet clutch Main fan relay Mode actuator (behind center of dash) Mode control panel Nca Of dash, on intake unit case) Radiator main fan motor (left front of engine compt) Rear defogger relay Red Shield & sensor ground joint connector (lower right end of dash) Sub fan relay W/ low emission W/o low emission
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram, without VDC for Subaru Legacy L 2004 List of elements for Anti-lock Brakes Wiring Diagram, without VDC for Subaru Legacy L 2004: 62 (w/o cruise) Abs "g" sensor (below center console) Abs control module (right side of engine compartment) Abs indicator light Abs motor ground Acc B152 B158 B54 B55 Check connector (left end of of dash) Combination meter Data link connector (under left side of dash) Diagnosis connector (under right front seat) F37 F41 F68 Fl in Fl out Fr in Fr out Fuse & relay box (left rear of engine compartment) Fuse & relay box (left rear of engine compt) Fuse 16 20a Fuse 18 15a Fuse 5 15a Fuse 8 30a Gb-2 (at left front of engine compartment) Gb-3 (at rear of engine compt) Hot at all times Hot in on or start I10 I12 Ignition relay (in relay block) Ignition switch Left front abs sensor (left front wheel) Left rear abs sensor (left rear wheel) Lock off Main fuse box (left side of engine compt) Motor relay Nca Pick-up turbo engine Pnk Pump motor Red Right front abs sensor (right front wheel) Right rear abs sensor (right rear wheel) Rl in Rl out Rr in Rr out Sbf holder (left side of engine compt) Sbf-5 fuse 30a Sbf-7 fuse 30a Solenoid valve Start Stoplight switch (on brake pedal bracket) Transmission control module (behind left side of dash) Valve relay W/ low emission w/o sport shift W/ sport shift W/o low emission w/o sport shift
ANTI-THEFT Power Door Locks Wiring Diagram, with Keyless Entry for Subaru Legacy L 2004 List of elements for Power Door Locks Wiring Diagram, with Keyless Entry for Subaru Legacy L 2004: 62 (bottom center of rear gate) (left front door) keyless buzzer (lower left side of dash) integrated module (under front of center console) gb-5 3.0l Acc B152 B158 B280 B281 B52 Combination meter Diode (rear gate) (wagon) (right rear corner of vehicle) Driver's side door lock switch Driver's side front door lock actuator (rear of left front door) Exterior lights system F40 F68 Fuse & relay box (left end of dash) Fuse & relay box (left end of dash) Fuse 15a Fuse 3 15a Fuse 7 20a Gb-5 (under front of center console) Gb-7 (at front left side of center console) Gb-8 (under right front seat) Horns system Hot at all times I10 I12 I73 Ignition relay (in relay block) Ignition switch Interior lights system Interrupt relay (security) (behind left side of dash) Keyless entry control module (behind right side of dash) Left front door switch Left rear door lock actuator (rear of left rear door) Left rear door switch Lock Main fuse box (left side of engine compt) Off Passenger's side door lock switch Passenger's side front door lock actuator (rear of right front door) Rear gate latch switch (wagon) (bottom center of rear gate) Rear gate lock actuator (wagon) Red Right front door switch Right rear door lock actuator (rear of right rear door) Right rear door switch Security control module (behind center of dash) Security horn (at right side of engine compt) Security horn relay Security indicator Start Starting/ charging system Trunk room light switch (sedan) Vehicle interface module (behind lower right side of dash) W/ onstar (w/o low emission) W/ onstar (w/o low engine) W/o onstar Warning system
BODY CONTROL MODULES Body Control Modules Wiring Diagram for Subaru Legacy L 2004 List of elements for Body Control Modules Wiring Diagram for Subaru Legacy L 2004: 23 B152 B280 B281 B52 Door locks system F40 F68 Fuse & relay box (f/b) (left end of dash) Fuse 11 15a Fuse 2 15a Fuse 3 15a Fuse 4 20a Gb-3 (at rear of engine compt) Hot at all times Hot in acc or on Hot in on or start Integrated module (lower left side of dash) Interior lights system Main fuse box (m/b) (left side of engine compt) Red Shift interlock system Warning system Wiper/washer system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Subaru Legacy L 2004 List of elements for Computer Data Lines Wiring Diagram for Subaru Legacy L 2004: 47 (under right front seat) Abs control module (right side of engine compt) Air bag control module Air bag ind B134 B135 B136 B137 B54 B55 B56 B75 B76 B84 Check connector (left end of dash) Combination meter Cruise control module (w/o low emission) (behind right side of dash) Data link connector (under left side of dash) Diagnosis connector Diagnosis terminal Engine control module (behind right side of dash) F37 Fuel pump assembly (on top of fuel tank) Gb-5 (under front of center console) Ge (on right rear of engine) Hot at all times Hot in on or start I10 I12 Ignition relay (in relay block) Line end check connector Low emission M/t Main fuse box (left side of engine compt) Neutral position switch (m/t) (on transfer case) Red Sbf-5 fuse 30a Shield & sensor ground joint connector (lower right end of dash) Shift, w/ Shift, w/o Test mode connector Transmission control module (a/t) (behind left side of dash) Vehicle speed sensor (on right side of transmission) W/ low emission W/ sport W/o low emission W/o sport
COOLING FAN Cooling Fan Wiring Diagram for Subaru Legacy L 2004 List of elements for Cooling Fan Wiring Diagram for Subaru Legacy L 2004: 28 (left front of engine compt) (right front of engine compt) (right rear of engine) A/c relay holder (left side of engine compt) B134 B135 B84 Combination meter Engine control module (behind right side of dash) Engine controls system Engine coolant temperature sensor & thermometer F41 Fuse & relay box (left rear of engine compt) Fuse 17 15a Fuse 18 15a Fuse 20a Gb-2 (at left front of engine compt) Hot at all times Hot in on or start I12 Main fan Radiator main fan motor Relay Shield & sensor ground joint connector (lower right end of dash) Sub fan motor Sub fan relay W/ low emission W/o low emission
CRUISE CONTROL Cruise Control Wiring Diagram, with Low Emissions for Subaru Legacy L 2004 List of elements for Cruise Control Wiring Diagram, with Low Emissions for Subaru Legacy L 2004: 54 A/t Acc B134 B137 B152 B158 B55 B56 B84 Cancel Clutch switch (on clutch pedal bracket) Combination meter Cruise control Cruise set ind light Dimmer circuit Electric throttle Electric throttle relay Engine control module (behind right side of dash) Engine controls system F37 F68 Fuse & relay box (left end of dash) Fuse 11 15a Fuse 15a Fuse 16 20a Fuse 18 15a Gb-3 (at rear of engine compt) Gb-7 (at front left side of center console) Horns system Hot at all times Hot in on or start I10 I12 Ignition relay Ignition switch Illum Interior lights system Lock M/t Main fuse box (left side of engine compt) Main relay (at right kick panel) Main switch Nca Off Resume Sbf fuse 5 30a Set Stoplight & brake switch (on brake pedal bracket) Sub switch Transmission control module (behind left side of dash) U-com Vehicle speed sensor (on right side of transmission) W/ sport shift W/o sport shift Cruise Control Wiring Diagram, without Low Emissions for Subaru Legacy L 2004 List of elements for Cruise Control Wiring Diagram, without Low Emissions for Subaru Legacy L 2004: 57 (a/t) A/t Acc Anti-theft system B152 B158 B52 B54 B55 Cancel Check connector (left end of dash) Clutch switch (on clutch pedal bracket) Combination meter Cruise control Cruise control actuator (at right side of engine compt) Cruise control module (behind right side of dash) Cruise set ind light Data link connector (under left side of dash) Dimmer circuit F68 Fuse & relay box (left end of dash) Fuse 15a Fuse 16 20a Fuse 18 15a Gb-3 (at rear of engine compt) Gb-5 (under front of center console) Ge (on right rear of engine) Horns system Hot at all times Hot in on or start I12 Ignition relay Ignition switch Illum Inhibitor switch (right side of transmission) Interior lights system Interrupt relay (behind left side of dash) Lock M/t Main fuse box (left side of engine compt) Main switch Nca Off P/n Resume Set Short connector Starting/ charging system Stoplight & brake switch (on brake pedal bracket) Sub switch Transmission control module (a/t) (behind left side of dash) U-com Vehicle speed sensor (m/t) (on right side of transmission) W/ security W/ security control module connector W/o security W/o security control module connector
DEFOGGERS Heated Mirrors Wiring Diagram for Subaru Legacy L 2004 List of elements for Heated Mirrors Wiring Diagram for Subaru Legacy L 2004: 12 (at rear of engine compartment) gb-3 B52 Fuse & relay box (left end of dash) Fuse 4 20a Hot in acc or on Left rearview mirror Mirror heater Mirror heater switch Nca Off Remote controlled rearview mirror switch Right rearview mirror Rear Defogger Wiring Diagram for Subaru Legacy L 2004 List of elements for Rear Defogger Wiring Diagram for Subaru Legacy L 2004: 37 2.5l w/ l0w emissions 2.5l w/o l0w emissions 3.0l A/c auto control module Acc Automatic a/c B134 B135 B137 B152 B158 Engine control module (behind right side of dash) F40 F68 Fuse & relay box (f40,f41: left rear of engine compt) (left end of dash) Fuse 1 20a Gb-8 (under right front seat) Gb-8 (w/ choke coil) (under right front seat) Gd (w/o choke coil) (at top center of trunk) Hot at all times I17 I48 Ignition switch Lock Main fuse box (left side of engine compt) Manual a/c Mode control panel Nca Off Rear defogger (right side of rear) Rear defogger condenser (sedan: right front side of trunk) (wagon: right front side of luggage compt) Rear defogger relay Red Sedan Start W/ choke coil Wagon Wiper Deicer Wiring Diagram for Subaru Legacy L 2004 List of elements for Wiper Deicer Wiring Diagram for Subaru Legacy L 2004: 19 B158 B280 B281 B52 Fuse & relay box (left end of dash) Fuse 15a Fuse 20a Gb-3 (at rear of engine compartment) Gb-7 (at front left side of center console) Hot at all times Hot in on or start Illum Integrated module (lower left side of dash) Interior lights system On ind On switch Wiper deicer (top left end of of dash) Wiper deicer relay (in relay block) Wiper deicer switch
ENGINE PERFORMANCE
2.5L 2.5L, Engine Performance Wiring Diagram, with Low Emissions (1 of 4) for Subaru Legacy L 2004 List of elements for 2.5L, Engine Performance Wiring Diagram, with Low Emissions (1 of 4) for Subaru Legacy L 2004: 36 (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 Legacy L 2004 List of elements for 2.5L, Engine Performance Wiring Diagram, with Low Emissions (2 of 4) for Subaru Legacy L 2004: 28 (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 Legacy L 2004 List of elements for 2.5L, Engine Performance Wiring Diagram, with Low Emissions (3 of 4) for Subaru Legacy L 2004: 44 (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 Legacy L 2004 List of elements for 2.5L, Engine Performance Wiring Diagram, with Low Emissions (4 of 4) for Subaru Legacy L 2004: 28 (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 Legacy L 2004 List of elements for 2.5L, Engine Performance Wiring Diagram, without Low Emissions (1 of 3) for Subaru Legacy L 2004: 36 (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 Legacy L 2004 List of elements for 2.5L, Engine Performance Wiring Diagram, without Low Emissions (2 of 3) for Subaru Legacy L 2004: 34 (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 Legacy L 2004 List of elements for 2.5L, Engine Performance Wiring Diagram, without Low Emissions (3 of 3) for Subaru Legacy L 2004: 47 (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
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Subaru Legacy L 2004 List of elements for Back-up Lamps Wiring Diagram for Subaru Legacy L 2004: 13 A/t B52 Back-up light Back-up light switch (on transfer case) Connector (behind left center of dash) Fuse & relay box Fuse 18 15a Gb-9 (wagon: at right rear quarterpanel) (sedan: at top center of trunk) Hot in on or start Inhibitor switch (on right side of transmission case) Left finisher light M/t Right finisher light Exterior Lamps Wiring Diagram for Subaru Legacy L 2004 List of elements for Exterior Lamps Wiring Diagram for Subaru Legacy L 2004: 73 (behind right side of dash) keyless entry control module (right rear corner of vehicle) trailer connector (sedan) (sedan: at top center of trunk) gb-9 (wagon) (wagon) (sedan) B152 B158 B52 B69 B71 Combination meter Combination switch Control F36 F37 F40 F41 F68 Fuse & relay box (left end of dash) Fuse 10 15a Fuse 16 20a Fuse 5 10a Fuse 5 15a Fuse 6 15a Fuse 7 20a Gb-1 (at right front of engine compt) Gb-3 (at rear of engine compt) Gb-7 (at front left side of center console) Hazard switch Head High mounted stop light High mounted stop light (sedan w/ rear spoiler) Hot at all times Hot in on or start I10 I11 Ignition relay (in relay block) Interior lights system Left front clearance light Left front turn signal light (lower) Left front turn signal light (upper) Left license plate light Left rear combination lamp Left rear finisher light Left turn ind License plate light Light switch Main fuse box (left side of engine compt) Nca Off Park Parking switch Right front clearance light Right front turn signal light (lower) Right front turn signal light (upper) Right license plate light Right rear combination lamp Right rear finisher light Right turn ind Sbf-2 fuse 50a Sedan Stop & brake switch (on brake pedal bracket) Stop- light Stoplight switch (on brake pedal bracket) Tail & illumination relay Tail- light Turn light Turn signal & hazard module (behind left side of dash) Turn signal switch W/ cruise W/o cruise Wagon
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Subaru Legacy L 2004 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Subaru Legacy L 2004: 80 (2.5l) (2.5l, m/t) sport shift switch (3.0l) (3.0l) fuel pump relay (4 light model) daytime running light relay (a/t) (center of dash) (m/t) clutch switch (m/t) neutral position switch (m/t) vehicle speed sensor (w/ low emissions) engine control module (w/o low emissions) engine control module 2.5l 3.0l Abs control module B134 B135 B136 B137 B181 B242 B281 B70 B71 B84 Check connector Combination Combination meter Compressor Data link connector Daytime running light control module Engine control module Fan ground joint connector (3.0l) b182 Fan relay (3.0l) Fuel level sensor Fwd switch Gb-1 (at right front of engine compt) Gb-10 (at rear of engine compt) Gb-2 (at left front of engine compt) Gb-3 (at rear of engine compt) Ge (on left & right rear of engine) Ge (on right rear of engine) I12 Idle air control solenoid valve Ignition coil & ignitor Ignition relay Integrated module Keyless registration connector Keylock solenoid Left front abs sensor shield nca Left front clearance light Left front foglight Left front turn signal light (lower) Left front turn signal light (upper) M/t Main fan motor Nca Onstar (3.0l) Power window main switch Power window relay Remote controlled rearview mirror switch Right front abs sensor shield Right front clearance light Right front foglight Right front turn signal light (lower) Right front turn signal light (upper) Secondary & primary pressure sensor shield Shield & sensor ground joint connector (lower right end of dash) Shield & sensor ground joint connector (w/ low emission) Shield joint connector (vdc) (left rear corner of engine compartment) Steering angle sensor (vdc) Sub fan motor Switch Test mode connector To combination meter (diagram 2 of 2) To ground gb-5 (diagram 2 of 2) Turn & hazard module Vdc module Wiper deicer Yaw rate sensor shield Ground Distribution Wiring Diagram (2 of 2) for Subaru Legacy L 2004 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Subaru Legacy L 2004: 100 (w/ vdc, (w/o vdc, w/o sport shift model) (wagon) (wagon) trailer connector A/c pressure switch (3.0l) A/t select lever illumi- nation light Abs control module Air bag control module Ashtray illumi- nation light Auto a/c control module B54 B55 B56 Blower motor resistor (3.0l) Brake fluid level warning switch Coil) Combination meter Compass mirror Cruise control actuator Cruise control module D48 Diagnosis terminal F73 (abs motor ground) (at right side of engine compt) From ground gb-3 (diagram 1 0f 2) Front fog light switch Front tilt limit switch Front wiper motor Fuel pump assembly (w/o fpc) Fuel pump con- denser Fuel pump control module (w/ fpc) Fuel pump control solenoid (w/ fpc) Gb-11 (except pick-up: at left rear door sill) (pick-up: at left front corner of bed) Gb-4 (at rear of engine compt) Gb-5 (under front of center console) Gb-6 (under front of center console) Gb-7 (at front left side of center console) Gb-8 (under right front seat) Gb-9 (sedan: at top center of trunk) Gd (at top center of trunk) Glove box illumi- nation light Gr (under right front of center console) High mounted stop light High- mounted stop light High- mounted stop light (rear spoiler) I10 I11 I15 I17 I49 Inhibitor switch (a/t) Keyless entry control module Left front door switch Left license plate light Left rear combination light Left rear door switch Left rear finisher light Left seat heater Left seat heater switch Left vanity mirror illumi- nation light License plate light Main relay Manual door lock switch Mode actuator Mode control panel (manual a/c) Module (w/ on star) Power amplifier (w/ mcintosh) Power seat R65 Radio Rear defogger Rear defogger (w/ choke Rear defogger (w/o choke coil) (sedan) Rear defogger condenser Rear gate latch switch Rear tilt limit switch Rear wiper inter- mittent module Rear wiper motor Reclining switch Right front door switch Right license plate light Right rear combination light Right rear door switch Right rear finisher light Right seat heater Right seat heater switch Right vanity mirror illumi- nation light Room light Seat belt switch Security control module Sedan Slide switch Spot light Transmission control module Trunk room light switch Vdc off switch Vehicle interface W/ sport shift model) Wagon Wiper deicer switch Working light switch
HEADLIGHTS Headlamps Wiring Diagram for Subaru Legacy L 2004 List of elements for Headlamps Wiring Diagram for Subaru Legacy L 2004: 57 2 light model 2.5l 3.0l, 2.5l turbo front foglight relay (in relay block) 3.0l, 2.5l turbo 2.5l 4 light model Acc B152 B242 B71 B96 Combination meter Combination switch Daytime running light control module (behind left center of dash) Daytime running light relay (4 light model) (in relay block) Dimmer & passing switch Diode (behind right side of dash) F37 F39 Front foglight switch Fuse & relay box (left end of dash) Fuse 11 15a Fuse 7 15a Fuse 8 15a Fuse 9 15a Gb-2 (at left front of engine compt) Gb-3 (at rear of engine compt) Gb-7 (at front left side of center console) Head Hi beam ind High Hot at all times Hot in on or start I11 Ignition switch Instrument cluster system Interior lights system Left front fog- light Left headlight Left headlight relay Lighting switch Lock Low Main fuse box (left side of engine compt) Navigation system Off Op connector (behind left center of dash) Park Parking brake switch (at base of parking brake lever) Pass Pnk Red Right front fog- light Right headlight Right headlight relay Start Starting/ charging system W/ onstar W/o onstar
HORN Horn Wiring Diagram for Subaru Legacy L 2004 List of elements for Horn Wiring Diagram for Subaru Legacy L 2004: 8 F37 F39 Fuse 6 15a Horn (front center of engine compartment) Horn relay Horn switch Hot at all times Main fuse box (left side of engine compt)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram, with Sport Shift (1 of 2) for Subaru Legacy L 2004 List of elements for Instrument Cluster Wiring Diagram, with Sport Shift (1 of 2) for Subaru Legacy L 2004: 94 (2.5l) +5v A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 Abs warning ind Air bag warning ind Anti-lock brakes system Anti-theft system B10 B11 B12 B13 B14 B15 B152 B16 Brake fluid parking brake/ Buzzer C10 C11 C12 C13 C14 Cargo light ind Charge warning ind Circuit Circuit air bag Circuit dimmer Clock/ out temp Clock/out temperature lcd back ind Combination meter Cpu Cruise controls system Cruise set ind Dimmer Dimmer circuit Door warning back light Door warning sports shift (lcd) Engine controls system Exterior lights system F40 Fuel gauge Fuse & relay box (left rear of engine compt) Fuse 12 10a Headlights system Hi beam ind Hot w/ tail & illumination relay energized I/f I10 I11 I12 Illum lamps (4) Interior lights system Left turn sig ind Level warning ind Low fuel warning ind Malfunction ind Nca Odo/trip Odo/trip lcd back ind Pnk Power circuit Red Right turn sig ind Seat belt ind Security ind Speedometer Starting/charging system Switch back gate warning ind Tachometer Temperature gauge Transmissions system Warning ind a/t oil temp Warning ind oil pressure Warning system Instrument Cluster Wiring Diagram, with Sport Shift (2 of 2) for Subaru Legacy L 2004 List of elements for Instrument Cluster Wiring Diagram, with Sport Shift (2 of 2) for Subaru Legacy L 2004: 34 (at rear of engine compt) gb-3 (behind left side of front bumper) ambient sensor 2.5l 2.5l turbo 3.0l Brake fluid level switch (in brake master cylinder) Connector (behind left center of dash) Diode (sport light) (behind right side of dash) Engine controls system Except 2.5l turbo F68 Fuel level sensor Fuel sub level sensor Fuse 2 15a Fuse 5 15a Gb-3 (at rear of engine compt) Gb-7 (at front left side of center console) Gb-8 (under right front seat) Ge (on right rear of engine) Ge-1 (on top left of engine) Hot at all times Hot in on or start Ignition relay (in relay block) Left front door switch Left rear door switch Main fuse box (left side of engine compt) Oil pressure switch (2.5l: upper front center of engine) 3.ol: on right front of engine) Parking brake switch (at base of parking brake lever) Pick-up Pnk Right front door switch Right rear door switch Sedan & wagon Shield & sensor ground joint connector (lower right end of dash) Instrument Cluster Wiring Diagram, without Sport Shift (1 of 2) for Subaru Legacy L 2004 List of elements for Instrument Cluster Wiring Diagram, without Sport Shift (1 of 2) for Subaru Legacy L 2004: 95 A/t oil temp warning ind A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 Abs warning ind Air bag warning ind Anti-lock brakes system Anti-theft system B10 B11 B12 B13 B14 B15 B152 B16 C10 C11 C12 C13 C14 Cargo light ind Charge warning ind Circuit air bag Clock/ out temp Clock/ out temp back light Combination meter Cpu Cruise control system Cruise set ind Dimmer circuit Engine controls system Exterior lights system F40 Fuel gauge Fuse & relay box Fuse 12 10a Fwd ind Headlights system Hi beam ind Hot w/ tail & illumination relay energized I/f I10 I11 I12 Illum lamps (4) Interior lights system Left front door warn ind Left rear door warn ind Left turn ind Low fuel warning ind Malfunction indicator Nca Odo meter/ tripmeter Odo/ trip lcd back light Oil pressure warning ind Outline vehicle Park brake/ brake fluid level warning ind Pnk Power circuit Red Right front door warn ind Right rear door warn ind Right turn ind Seat belt warning ind Security ind Speedometer Starting/charging system Switchback gate warning ind Tachometer Temperature gauge Transmissions system Vdc off ind Vdc operation ind Vdc warning ind Warning ind rear gate Warning system Instrument Cluster Wiring Diagram, without Sport Shift (2 of 2) for Subaru Legacy L 2004 List of elements for Instrument Cluster Wiring Diagram, without Sport Shift (2 of 2) for Subaru Legacy L 2004: 34 (at rear of engine compt) gb-3 (behind left side of front bumper) ambient sensor 2.5l 2.5l turbo 3.0l Brake fluid level switch (in brake master cylinder) Connector (behind left center of dash) Diode (sport light) (behind right side of dash) Engine controls system Except 2.5l turbo F68 Fuel level sensor Fuel sub level sensor Fuse 2 15a Fuse 5 15a Gb-3 (at rear of engine compt) Gb-7 (at front left side of center console) Gb-8 (under right front seat) Ge (on right rear of engine) Ge-1 (on top left of engine) Hot at all times Hot in on or start Ignition relay (in relay block) Left front door switch Left rear door switch Main fuse box (left side of engine compt) Oil pressure switch (2.5l: upper front center of engine) 3.ol: on right front of engine) Parking brake switch (at base of parking brake lever) Pick-up Pnk Right front door switch Right rear door switch Sedan & wagon Shield & sensor ground joint connector (lower right end of dash)
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Subaru Legacy L 2004 List of elements for Courtesy Lamps Wiring Diagram for Subaru Legacy L 2004: 49 (at top center of trunk) gb-9 (right rear corner of vehicle) (under right front seat) gb-8 B52 Combination meter D37 D38 Diode (key warning switch) (behind right side of dash) Diode (wagon) Diode (wagon) (right rear corner of vehicle) Door Door warning back light Door warning sports shifts (lcd) F40 F68 Fuse & relay box (left end of dash) Fuse 2 15a Fuse 4 20a Gb-5 (under front of center console) Gb-9 Hot at all times Hot in acc or on I/f I10 I12 Integrated module (lower left side of dash) Key illumination light Keyless entry control module (behind right side of dash) Left front door switch Left rear door switch Left step light Left vanity mirror illumi- nation light Luggage room light (wagon) Main fuse box (left side of engine compartment) Micro computer Off Op connector (behind left center of dash) R51 R54 Rear gate latch switch (wagon) (bottom center of rear gate) Red Right front door switch Right rear door switch Right step light Right vanity mirror illumi- nation light Room light Spot light Trunk room light (sedan) Trunk room light switch (sedan) Instrument Illumination Wiring Diagram for Subaru Legacy L 2004 List of elements for Instrument Illumination Wiring Diagram for Subaru Legacy L 2004: 49 (2.5l, w/ low emissions) (2.5l, w/o low emissions) (3.0l) A/t select lever illumination light Ashtray illumination light Auto a/c control module illumination B134 B137 B152 B280 B281 B51 B71 Center of dash) Combination meter Combination switch Cruise control main switch illumination light Engine control module (behind right side of dash) F40 F68 Front fog- light switch illumination light Fuse & relay box (left end of dash) Fuse 12 10a Fuse 7 20a Gb-3 (at rear of engine compt) Gb-7 (at front left side of center console) Glove box illumi- nation light Hazard switch illumination light Head Hot at all times Hot in on or start I10 I49 Illumination light Integrated module (lower left side of dash) Left seat heater switch illumination light Light switch Main fuse box (left side of engine compartment) Mode control panel illumination light Nca Off Op connector (behind left Park Power window main switch illumination light Radio illumination light Right seat heater switch illumination light Tail & illumination relay Vdc off switch illumination light Wiper deicer switch illumination light
POWER DISTRIBUTION Power Distribution Wiring Diagram (2 of 4) for Subaru Legacy L 2004 List of elements for Power Distribution Wiring Diagram (2 of 4) for Subaru Legacy L 2004: 61 (2.5l: w/o low emission, a/t) (3.0l) (not used) A/t Acc B134 B136 B158 Cargo light relay Combination switch Cruise control module (a/t) (2.5l: w/o low emission) Dealer installed Engine control module F35 F36 F38 F40 Factory installed From fuse & relay box (diagram 4 of 4) From ignition relay (diagram 1 of 4) From main fuse box headlight relays (diagram 1 of 4) From main fuse box sbf-1 (diagram 1 of 4) Front washer motor Front wiper motor Front wiper switch Fuse & relay box (left end of dash) Fuse 14 10a Fuse 15 30a Fuse 20a Fuse 9 15a Gb-3 (at rear of engine compt) Gb-9 (sedan: at top center of trunk) Generator Ignition switch Inhibitor switch Interrupt relay Left seat heat switch Lock M/t Main fuse box (left side of engine compt) Nca Off On off Radio Rear washer motor Rear wiper intermittent module Rear wiper motor Relay block (left end of dash) Right seat heat switch Sbf-2 fuse 50a Sbf-4 fuse 50a Short connector Start Starter interlock relay To air conditioning fuse holder (diagram 4 of 4) To fuse & relay box (diagram 4 of 4) To fuse & relay box fuse 18 (diagram 3 of 4) To fuse & relay box fuse 4 (diagram 4 of 4) To sbf fuse holder (diagram 4 of 4) W/ anti-theft W/o anti-theft Power Distribution Wiring Diagram (3 of 4) for Subaru Legacy L 2004 List of elements for Power Distribution Wiring Diagram (3 of 4) for Subaru Legacy L 2004: 96 (2.5l: w/ low emission) (2.5l: w/o low emission) (3.0l) (3.0l) (2.5l) (left end of dash) fuse & relay box (not used) (w/ onstar) (w/o onstar) 2.5l: w/ low emission 2.5l: w/o low emission 3.0l A/t A/t select lever illumination light Ab6 Abs control module Air conditioning relay Air conditioning relay holder Airbag control module Ashtray illumination light Auto a/c control module Auto a/c control module (a/t) Automatic a/c B134 B136 B152 B158 B242 B280 B51 B52 B54 B96 Back-up light switch (m/t) Blower motor relay Clutch switch Combination meter Cruise control main switch Cruise control main switch illumination light Cruise control module Daytime running light control module Daytime running light relay (4 light model) Engine control module Exterior lights system F41 Fan relay (3.0l) From fuse & relay box f40 pin 9 (diagram 1 of 4) From ignition switch (diagram 2 of 4) Front fog light switch illumination light Fuel pump relay Fuse 11 15a Fuse 12 10a Fuse 17 15a Fuse 18 15a Fuse 6 15a Glove box illumination light Hazard switch illumination light I10 I17 I48 I49 Ignition coil & ignitor Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Inhibitor switch (a/t) Integrated module Left seat heater switch illumination light M/t Main fan relay (2.5l) Main fan relay 1 (3.0l) Main fan relay 2 (3.0l) Manual a/c Mode control panel (m/t) Mode control panel illumination light Nca Option connector Parking switch Power window main switch illumination light Power window relay Pressure switch Radio illumination light Rear defogger relay Red Right seat heater switch illumination light Stoplight & brake switch Sub fan relay (2.5l) Sub fan relay 1 (3.0l) Sub fan relay 2 (3.0l) Tail & illumination relay Transmission control module Vdc off switch (sedan & wagon) Vehicle dynamic control module Wiper deicer relay Wiper deicer switch illumination light Power Distribution Wiring Diagram (4 of 4) for Subaru Legacy L 2004 List of elements for Power Distribution Wiring Diagram (4 of 4) for Subaru Legacy L 2004: 65 (left end of dash) fuse & relay box (left side of engine compt) (not used) (w/ cruise control model) (w/ vdc) (w/ abs) (w/o cruise control model) 2.5l 20a 3.0l 30a Abs Abs control module Air conditioning relay holder Auto a/c control module B158 B225 B280 B52 F40 From battery (diagram 1 of 4) From fuse & relay box (diagram 2 of 4) From main fuse box (diagram 2 of 4) From main fuse box sbf-2 (diagram 2 of 4) Fuse 10 15a Fuse 16 20a Fuse 19 20a Fuse 25a Fuse 30a Fuse 4 20a Fuse 50a 30a Gb-7 (at front left side of center console) I49 Integrated module Left rearview mirror (heater) Left vanity mirror illumination light Main fan relay Main fan relay 1 Motor relay Multiple power socket Multiple power socket fuse holder Multiple power socket relay Nca Op2 Op3 Op4 Op5 Option connector Oxygen sensor heater relay (2.5l: w/ low emission) Power amplifier Red Relay block (left end of dash) Relay box Remote controlled rearview mirror switch Right rearview mirror (heater) Right vanity mirror illumination light Sbf holder Stop light relay Stoplight switch Sub fan relay Sub fan relay 1 Sub fan relay 2 Trailer connector Vdc W/ mcintosh audio Wiper deicer relay
POWER DOOR LOCKS Power Door Locks Wiring Diagram, without Keyless Entry for Subaru Legacy L 2004 List of elements for Power Door Locks Wiring Diagram, without Keyless Entry for Subaru Legacy L 2004: 16 B152 B280 B281 Driver's side door lock switch Driver's side front door lock actuator (rear of left front door) Fuse & relay box (left end of dash) Fuse 3 15a Gb-5 (under front of center console) Gb-7 (at front left side of center console) Hot at all times Integrated module (lower left side of dash) Left rear door lock actuator (rear of left rear door) Passenger's side door lock switch Passenger's side front door lock actuator (rear of right rear door) Rear gate lock actuator (wagon) (bottom center of rear gate) Right rear door lock actuator (rear of right rear door)
POWER MIRRORS Power Mirrors Wiring Diagram for Subaru Legacy L 2004 List of elements for Power Mirrors Wiring Diagram for Subaru Legacy L 2004: 17 B52 Change over switch Defogger system Fuse & relay box (left end of dash) Fuse 4 20a Gb-3 (at rear of engine compt) Hot in acc or on Left rearview mirror Left/ right m Mirror heater Mirror heater switch Motor Nca Off Remote controlled rearview mirror switch Right rearview mirror Up/ down m
POWER SEATS Heated Seats Wiring Diagram for Subaru Legacy L 2004 List of elements for Heated Seats Wiring Diagram for Subaru Legacy L 2004: 20 B52 F36 Fuse & relay box (left end of dash) Fuse 20a Fuse 4 20a Gb-3 (at rear of engine compartment) Gb-9 (sedan: at top center of trunk) High Hot at all times main fuse box (at left side of engine compt) Hot in acc or on Interior lights system Left seat heater (under left front seat) Left seat heater switch Low Off Red Relay block (right side of engine compt) Right seat heater (under right front seat) Right seat heater switch Sbf-2 fuse 50a Power Seat Wiring Diagram for Subaru Legacy L 2004 List of elements for Power Seat Wiring Diagram for Subaru Legacy L 2004: 18 F36 Front tilt limit switch Front tilt motor Front tilt switch Gb-9 Gb-9 (sedan: at top center of trunk) Hot at all times Main fuse box (left side of engine compt) Power seat Power window circuit breaker (lower left end of dash) Rear tilt limit switch Rear tilt motor Rear tilt switch Reclining motor Reclining switch Sbf-6 fuse 30a Slide motor Slide switch
POWER TOP/SUNROOF Sunroof Wiring Diagram, Sedan for Subaru Legacy L 2004 List of elements for Sunroof Wiring Diagram, Sedan for Subaru Legacy L 2004: 19 B52 Close F36 Fuse & relay box (left end of dash) Fuse 15a Gb-3 (at rear of engine compt) Hot at all times Hot in on or start Main fuse box (left side of engine compt) Nca Open Power window circuit breaker (lower left end of dash) Power window relay (in relay block) Red Sbf-6 fuse 30a Sun roof control module & motor (at rear of sun roof opening) Sun roof switch Tilt down Tilt up Sunroof Wiring Diagram, Wagon for Subaru Legacy L 2004 List of elements for Sunroof Wiring Diagram, Wagon for Subaru Legacy L 2004: 17 B52 Close F36 Fuse & relay box (left end of dash) Fuse 15a Gb-3 (at rear of engine compt) Hot at all times Hot in on or start Main fuse box (left side of engine compt) Nca Open Power window circuit breaker (lower left end of dash) Power window relay (in relay block) Red Sbf-6 fuse 30a Sun roof control module & motor (at rear of sun roof opening) Sun roof switch
POWER WINDOWS Power Windows Wiring Diagram for Subaru Legacy L 2004 List of elements for Power Windows Wiring Diagram for Subaru Legacy L 2004: 26 Auto down Auto up Auto up/down circuit B52 Down Fuse & relay box (left end of dash) Fuse 18 15a Gb-3 (at rear of engine compt) Hot at all times Hot in on or start Interior lights system Left front Left front power window motor (in left front door) Left rear Left rear power window motor (in left rear door) Left rear power window sub switch Power tops system Power window circuit breaker (lower left end of dash) Power window main switch Power window relay (in relay block) Right front Right front power window motor (in right front door) Right front power window sub switch Right rear Right rear power window motor (in right rear door) Right rear power window sub switch
RADIO Radio Wiring Diagram, with Macintosh Audio System for Subaru Legacy L 2004 List of elements for Radio Wiring Diagram, with Macintosh Audio System for Subaru Legacy L 2004: 29 (not used) 20a Antenna Din cord F68 Fuse & relay box (left end of dash) Fuse 2 15a Fuse 9 15a Gb-9 (at top center of trunk) Gr (under right front of center console) Hot at all times Hot in acc or on Interior lights system Left front door speaker Left front door tweeter Left rear door speaker Main fuse box (left side of engine compt) Nca Pnk Power amplifier (under right front seat) Radio Radio amplifier Relay block (right side of engine compt) Right front door speaker Right front door tweeter Right rear door speaker Sbf holder (left side of engine compt) Sbf-8 fuse 30a Sub woofer Radio Wiring Diagram, without Macintosh Audio System for Subaru Legacy L 2004 List of elements for Radio Wiring Diagram, without Macintosh Audio System for Subaru Legacy L 2004: 27 Antenna F68 Fuse & relay box (left end of dash) Fuse 2 15a Fuse 9 15a Gr (under right front of center console) Hot at all times Hot in acc or on I64 Interior lights system Left front door speaker Left front door tweeter Left rear door speaker Left rear tweeter Left speaker joint connector Main fuse box (left side of engine compt) Nca Radio Radio amplifier Right front door speaker Right front door tweeter Right rear door speaker Right rear tweeter Right speaker joint connector Sub woofer (w/ premium radio) W/ rear tweeter speaker W/o rear tweeter speaker
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Subaru Legacy L 2004 List of elements for Shift Interlock Wiring Diagram for Subaru Legacy L 2004: 37 "p" position switch (at rear of engine compt) gb-3 (right side of transmission) 2.5l turbo B152 B158 B280 B281 B52 B56 Diode (shift lock) (behind right side of dash) Except 2.5l turbo F37 F40 F68 Fuse & relay box (left end of dash) (f40,f41: left rear of engine compt) Fuse 11 15a Fuse 16 20a Fuse 2 15a Fuse 4 20a Fuse 6 15a Hot at all times Hot in acc or on Hot in on or start Inhibitor switch Integrated module (lower left side of dash) Key lock solenoid (on ignition key cylinder) Key warning switch Main fuse box (left side of engine compt) Nca Red Shift lock solenoid Stop & brake switch (on brake pedal bracket) Stop light switch (on brake pedal bracket) Transmission control module (behind left side of dash) W/ cruise control W/o cruise control
STARTING/CHARGING Charging Wiring Diagram for Subaru Legacy L 2004 List of elements for Charging Wiring Diagram for Subaru Legacy L 2004: 23 (in relay block) 3.0l B137 B152 Battery Charge indicator Combination meter Engine control module (behind right side of dash) Exterior lights system F35 F39 F68 Fuse & relay box (left end of dash) Fuse 3 10a Fuse 5 15a Generator I12 Ignition relay Main fuse box (left side of engine compt) Nca Option connector Sbf-1 fuse 100a Starter motor Starting Wiring Diagram, A/T for Subaru Legacy L 2004 List of elements for Starting Wiring Diagram, A/T for Subaru Legacy L 2004: 31 (2.5l turbo) (behind left side of dash) (w/ low emission) (w/o low emission) 2.5l turbo, 2.5l w/ low emission 2.5l w/o low emission Acc Anti-theft B134 B136 B137 Battery Daytime running light control module (behind left center of dash) Engine control module (behind right side of dash) F38 Ignition switch Inhibitor switch (right side of transmission) Interrupt relay Lock off Main fuse box (left side of engine compt) Nca Sbf-1 fuse 100a Sbf-4 fuse 50a Short connector Start Starter interlock relay (behind left side of dash, near power window circuit breaker) Starter motor W/ dealer installed anti-theft W/ factory W/o anti-theft Starting Wiring Diagram, M/T for Subaru Legacy L 2004 List of elements for Starting Wiring Diagram, M/T for Subaru Legacy L 2004: 29 (behind left side of dash) 2.5l turbo 2.5l w/ low emissions 2.5l w/o low emissions Acc B134 B136 B137 Battery Clutch switch (on clutch pedal bracket) Daytime running light control module (behind left center of dash) Engine control module (behind right side of dash) F38 Gb-3 (at rear of engine compt) Ignition switch Interrupt relay Lock Main fuse box (left side of engine compt) Nca On off Sbf-1 fuse 100a Sbf-4 fuse 50a Short connector Start Starter interlock relay (behind left side of dash, near power window circuit breaker) Starter motor W/ dealer installed anti-theft W/ factory installed anti-theft W/o anti- theft
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Subaru Legacy L 2004 List of elements for Supplemental Restraints Wiring Diagram for Subaru Legacy L 2004: 48 (at front left side of center console) gb-7 (behind lower right side of dash) vehicle interface module Ab17 Ab18 Ab6 Acc Air bag circuit Air bag control module Air bag indicator light B152 Center of dash) Check connector (partial) (behind Combination meter Diagnosis connector (behind center Driver side inflator Engine controls system F68 Fuse & relay box (f/b) Fuse 15a Gb-3 (2.5l) (at rear of engine compartment) Gb-4 (rear of engine compt) Gb-6 (under front of center console) Hot at all times Hot in on or start I 28 I10 I11 I12 I73 If equipped Ignition relay (in relay block) Ignition switch Left front sub sensor Left pretensioner (w/elr) Left side air bag sensor Left side inflator Main fuse box (m/b) (at left side of engine compartment, at rear of battery) Nca Of dash) Off Passenger side inflator Red Right front sub sensor Right pretensioner (w/elr) Right side air bag sensor Right side inflator Start Steering roll connector
TRANSMISSION
2.5L 2.5L, A/T Wiring Diagram, with Low Emissions with Sport Shift (1 of 2) for Subaru Legacy L 2004 List of elements for 2.5L, A/T Wiring Diagram, with Low Emissions with Sport Shift (1 of 2) for Subaru Legacy L 2004: 38 (left end of dash) Anti-lock brakes system B152 B158 B55 B56 Buzzer Check connector (left end of dash) Combination meter Data link connector (under left side of dash) Down F37 F68 Fuse & relay box Fuse 10a Fuse 15a Fuse 20a Gb-3 (at rear of engine compt) Gb-5 (under front of center console) Hot at all times I/f I10 a/t oil I11 I12 Ignition relay (in relay block) Illumination control circuit Inhibitor switch (right side of transmission) Line end check connector (upper left center of dash) Main fuse box (left side of engine compt) Op connector (behind left center of dash) Pnk Red Shift Sport shift switch Stoplight switch (on brake pedal bracket) Temp ind Transmission control module (tcm) (behind left side of dash) U-com 2.5L, A/T Wiring Diagram, with Low Emissions with Sport Shift (2 of 2) for Subaru Legacy L 2004 List of elements for 2.5L, A/T Wiring Diagram, with Low Emissions with Sport Shift (2 of 2) for Subaru Legacy L 2004: 30 (on right side of transmission) 2-4b sol 2-4b timing sol A/t control (transmission) Accelerator pedal position sensor (left center of dash) Atf temp sensor Awd sol B134 B135 B136 B152 B54 Engine control module (behind right side of dash) Fuse & relay box (left end of dash) Fuse 15a Hot in on or start L/c timing sol Line press sol Lock- up sol Nca Pnk Red Shield & sensor ground joint connector (lower right end of dash) Shield joint connector (left center of dash) Shift sol Sport shift sol Transmission control module (tcm) (behind left side of dash) Turbine speed sensor Vehicle speed sensor 1 Vehicle speed sensor 2 2.5L, A/T Wiring Diagram, with Low Emissions without Sport Shift (1 of 2) for Subaru Legacy L 2004 List of elements for 2.5L, A/T Wiring Diagram, with Low Emissions without Sport Shift (1 of 2) for Subaru Legacy L 2004: 38 (at rear of engine compt) gb-3 A/t oil temp ind Anti-lock brakes system B152 B158 B54 B55 Check connector (left end of dash) Combination meter Connector (under left side of dash) Dash) Data link F37 F68 Fuse & relay box (left end of dash) Fuse 10a Fuse 15a Fuse 20a Fwd ind Fwd switch Gb-3 (at rear of engine compt) Hot at all times Hot in on or start I/f I10 I11 I12 Ignition relay (in relay block) Illumination control circuit Inhibitor switch (right side of transmission) Line end check connector (upper left center of dash) Main fuse box (left side of engine compt) Op connector (behind left center of Pnk Red Stoplight switch (on brake pedal bracket) Transmission control module (tcm) (behind left side of dash) U-com 2.5L, A/T Wiring Diagram, with Low Emissions without Sport Shift (2 of 2) for Subaru Legacy L 2004 List of elements for 2.5L, A/T Wiring Diagram, with Low Emissions without Sport Shift (2 of 2) for Subaru Legacy L 2004: 24 (left center of dash) shield joint connector (on right side of transmission) A/t control (transmission) Accelerator pedal position sensor (left center of dash) Atf temperature sensor B134 B135 B136 Engine control module (behind right side of dash) Line press solenoid Lock-up solenoid Nca Pnk Red Shield & sensor ground joint connector (lower right end of dash) Shift solenoid 2 Solenoid 1 shift Solenoid 2-4b Solenoid 2-4b timing Solenoid awd Solenoid l/c timing Torque converter turbine speed sensor Vehicle speed sensor 1 Vehicle speed sensor 2 2.5L, A/T Wiring Diagram, with Sport Shift, without Low Emissions with Sport Shift (1 of 2) for Subaru Legacy L 2004 List of elements for 2.5L, A/T Wiring Diagram, with Sport Shift, without Low Emissions with Sport Shift (1 of 2) for Subaru Legacy L 2004: 31 Anti-lock brakes system B134 B135 B136 B137 B152 B158 B54 B55 B56 Check connector (left end of dash) Cruise control system Data link connector (under left side of dash) Engine control module (behind right side of dash) F37 Fuse & relay box (left end of dash) Fuse 10a Fuse 15a Fuse 20a Hot at all times Hot in on or start Hot w/ tail & illumination relay energized Line end check connector (under left center of dash) Main fuse box (left side of engine compt) Pnk Shield & sensor ground joint connector (lower right end of dash) Stop light switch (on brake pedal support) Throttle position sensor (on throttle body) Transmission control module (behind left side of dash) W/o cruise w/ cruise Warning system 2.5L, A/T Wiring Diagram, with Sport Shift, without Low Emissions with Sport Shift (2 of 2) for Subaru Legacy L 2004 List of elements for 2.5L, A/T Wiring Diagram, with Sport Shift, without Low Emissions with Sport Shift (2 of 2) for Subaru Legacy L 2004: 43 (in relay block) (right side of transmission) +5v 2-4b timing solenoid A/t control (transmission) A/t oil temp ind Atf temperature sensor Combination meter Dimmer circuit Down F68 Fuse 2 15a Fuse 5 15a Gb-3 (at rear of engine compt) Gb-5 (under front of center console) Gb-7 (at front left side of center console) Hot at all times I/f I10 I11 I12 Ignition relay Illumination control circuit Inhibitor switch L/c timing solenoid Main fuse box (left side of engine compt) Micro computer Nca Op connector (behind left center of dash) Red Shield joint connector (left center of dash) Shift Solenoid 1 shift Solenoid 2 shift Solenoid 2-4b Solenoid awd Solenoid line pressure Solenoid lock-up Solenoid sports shift Sport shift switch Torque converter turbine speed sensor Vehicle speed sensor 1 (on right side of transmission) Vehicle speed sensor 2 (on right side of transmission) 2.5L, A/T Wiring Diagram, without Sport Shift, without Low Emissions without Sport Shift for Subaru Legacy L 2004 List of elements for 2.5L, A/T Wiring Diagram, without Sport Shift, without Low Emissions without Sport Shift for Subaru Legacy L 2004: 72 (at right side of engine compt) (in relay block) (on right side of transmission) (right side of transmission) (upper left center of dash) (w/o cruise) (w/o cruise) (w/ cruise) A/t control (transmission) A/t dropping resistor A/t oil temp ind A10 A=b134 b=b135 c=b136 d=b137 Anti-lock brakes system Atf temperature sensor B13 B152 B158 B19 B54 B55 C15 C18 Check connector (left end of dash) Combination meter Cruise control system D19 Data link connector (under left side of dash) Engine control module (behind right side of dash) F37 F68 Fuse & relay box (left end of dash) Fuse 10a Fuse 15a Fuse 20a Fwd ind Fwd switch (fuse) (w/ awd) Gb-2 (at left front of engine) Gb-3 (at rear of engine compt) Hot at all times Hot in on or start Hot w/ tail & illumination relay energized I/f I10 I11 I12 Ignition relay Illumination control circuit Inhibitor switch L/c timing solenoid Line end check connector Line pressure solenoid Main fuse box (left side of engine compt) Micro computer Nca Of dash) Op connector (behind left center Pnk Red Shield & sensor ground joint connector (lower right end of dash) Shield joint connector (left center of dash) Solenoid 1 shift Solenoid 2 shift Solenoid 2-4b Solenoid 2-4b timing Solenoid awd Solenoid lock-up Stop light switch (on brake pedal support) Throttle position sensor (on throttle body) Transmission control module (behind left side of dash) Turbine speed sensor Vehicle speed sensor 1 Vehicle speed sensor 2
WARNING SYSTEMS Warning Systems Wiring Diagram for Subaru Legacy L 2004 List of elements for Warning Systems Wiring Diagram for Subaru Legacy L 2004: 43 (behind left side of dash) transmission control module (sport shift model) 3.0l Acc B152 B176 B280 B281 B56 Buzzer Combination meter Computer micro Door warning back indicator Door warning sports shift (lcd) F37 F40 F68 Fuse & relay box (f40: left rear of engine compt) (b152: left end of dash) Fuse 11 15a Fuse 2 15a Fuse 5 15a Fuse 6 15a Gb-3 (at rear of engine compartment) Gb-9 (at top center of trunk) Hot at all times Hot in on or start I/f I10 I12 Ignition relay (in relay block) Ignition switch Integrated module (lower left side of dash) Interior lights system Key warning switch Keyless entry control module (behind right side of dash) Left front door switch Left seat belt warning light Lock Main fuse box (left side of engine compt) Off Seat belt switch (in seat belt buckle) Sport shift w/ Sport shift w/o
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Subaru Legacy L 2004 List of elements for Front Wiper/Washer Wiring Diagram for Subaru Legacy L 2004: 22 B158 Combination switch Front washer motor (left side of engine compt, in washer tank) Front wiper motor (on left side of firewall) Fuse & relay box (left rear of engine compt) Fuse 15 30a Gb-3 (at rear of engine compt) High Hot in acc or on Int Intermittent volume Intermittent wiper module Mist Mist switch Nca Off Park Rear wiper circuit Run Washer switch Wiper motor Wiper switch Rear Washer/Wiper Wiring Diagram for Subaru Legacy L 2004 List of elements for Rear Washer/Wiper Wiring Diagram for Subaru Legacy L 2004: 19 (at top center of trunk) gb-9 B158 Combination switch Front wiper/ washer circuit Fuse & relay box (left end of dash) Fuse 14 10a Gb-11 (at left rear door sill) Gb-3 (at rear of engine compt) Hot in acc or on Nca Off Park Rear washer motor (left side of engine compt, in washer tank) Rear wiper intermittent module (at right rear or cargo compt) Rear wiper motor (on rear gate) Rear wiper/ washer switch Run Wash Wiper motor
