Subaru·Impreza Wrx Sti·2012 Subaru Impreza WRX STI·Wiring
Wiring diagram

2012 Subaru Impreza WRX STI — power distribution

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Power distribution

A F 25A 25A 20A 50A 50A 50A 50A 30A 50A 7.5A 120A 10A 60A E C B D 30A 15A 7.5A 10A 15A 30A G 30A 15A 15A 15A MAIN FUSE BOX (M/B) HORN RELAY LOW HEADLIGHT RELAY HIGH HEADLIGHT RELAY STARTER MOTOR BATTERY MAIN FAN RELAY 1 REAR DEFOGGER RELAY RELAY HOLDER GENERATOR RELAY HOLDER SECONDARY AIR COMBI- NATION VALVE RELAY 2 SECONDARY AIR COMBI- NATION VALVE RELAY 1 SECONDARY AIR PUMP RELAY SUB FAN RELAY VDC CONTROL MODULE RIGHT FUSE & RELAY BOX (F/B) DATA LINK CONNECTOR THROUGH J/C B360 & F109 ECM KEY WARNING SWITCH KEY ILLUMI- NATION RIGHT FUSE & RELAY BOX (F/B) DAYTIME RUNNING LIGHT RELAY TURN SIGNAL & HAZARD MODULE ELECTRONIC THROTTLE CONTROL RELAY MAIN RELAY A/F OXYGEN SENSOR RELAY DCCD CONTROL MODULE DCCD RELAY FUEL PUMP RELAY 23 21 F70 2 3 F36 9 1 15 B144 3 2 6 8 5 7 5 16 6 7 14 10 24 23 4 F37 9 2 4 6 5 7 3 1 13 12 25 1 B145 B186 B145 5 6 2 29 3 2 B136 2 2 4 16 3 9 11 4 16 14 F109 3 B360 NCA WHT/BLK WHT/GRN WHT WHT/BLU WHT/RED WHT/GRN YEL/RED WHT/RED WHT/BLU WHT/BLU WHT NCA WHT WHT BLU/RED WHT GRN RED WHT BLU RED/YEL NCA NCA RED/WHT WHT/RED NCA NCA RED/WHT WHT/RED RED/YEL WHT WHT/RED BLK/WHT WHT WHT/BLK WHT/BLK YEL/RED WHT/YEL YEL/RED WHT WHT WHT/BLU WHT/RED WHT/BLK WHT/BLK WHT WHT WHT/BLU WHT/BLU WHT MAIN SBF FUSE FUSE 16 SBF 2 FUSE SBF 8 FUSE FUSE 1 FUSE 8 SBF 6 FUSE SBF 1 FUSE FUSE 3 SBF 3 FUSE FUSE 2 FUSE 13 FUSE 14 SBF 4 FUSE FUSE 12 FUSE 11 SBF 7 FUSE FUSE 15 SBF 5 FUSE (LEFT REAR OF ENGINE COMPT) (LEFT REAR OF ENGINE COMPT) (LEFT REAR OF ENGINE COMPT) (RIGHT SIDE OF DASH) (LEFT REAR OF ENGINE COMPT) (RIGHT SIDE OF DASH) TO FUSE & RELAY BOX (F/B) (DIAGRAM 2 0F 4) TO FUSE & RELAY BOX (F/B) (DIAGRAM 2 0F 4) TO FUSE & RELAY BOX (F/B) (DIAGRAM 2 0F 4) TO FUSE & RELAY BOX (F/B) (DIAGRAM 3 0F 4) TO IGNITION SWITCH (DIAGRAM 3 0F 4) TO LEFT FUSE & RELAY BOX (F/B) (DIAGRAM 2 0F 4) TO FUSE & RELAY BOX (F/B) (DIAGRAM 2 0F 4)
1 2 1 2 A F G E B 15A 15A 15A 15A 15A 20A 20A 7.5A 15A 10A 10A 15A LEFT FUSE & RELAY BOX (F/B) FUSE & RELAY BOX (F/B) RIGHT FOOT LIGHT CLOCK AUDIO NAVIGATION UNIT SEAT HEATER RELAY BLOWER MOTOR RELAY ROOM LIGHT STOP LIGHT & BRAKE SWITCH SPOT MAP LIGHT LEFT FOOT LIGHT FRONT FOG LIGHT RELAY BODY INTEGRATED UNIT WIPER DEICER RELAY BODY INTEGRATED UNIT TPMS & KEYLESS ENTRY CONTROL MODULE LEFT FUSE & RELAY BOX (F/B) LEFT FUSE & RELAY BOX (F/B) LUGGAGE ROOM LIGHT TRUNK ROOM LIGHT FUSE & RELAY BOX (F/B) POWER WINDOW RELAY J/C B435, B436, B437 & B438 LEFT FUSE & RELAY BOX (F/B) SUNROOF MOTOR ASSEMBLY HEADLIGHT BEAM LEVELER SWITCH BODY INTEGRATED UNIT A/C CONTROL PANEL NAVIGATION UNIT AUDIO VDC OFF SWITCH ILLUMINATION LIGHT STI ILLUMINATION THROUGH J/C B360 & F109 ROLL CONNECTOR LEFT LICENSE PLATE LIGHT RIGHT LICENSE PLATE LIGHT RIGHT REAR COMBINATION LIGHT LEFT REAR COMBINATION LIGHT RIGHT FRONT CLEARANCE LIGHT GLOVE BOX ILLUMINATION LIGHT HAZARD SWITCH ILLUMINATION CONTROL SWITCH LEFT FRONT CLEARANCE LIGHT POCKET LIGHT LICENSE PLATE LIGHT MULTI SELECT SWITCH SEAT HEATER SWITCH 3 19 20 17 18 AD4 B447 1 ST1 R50 B90 10 4 2 R50 B90 B158 R56 10 I53 R98 11 R34 AD6 8 4 I24 AD1 3 2 13 R60 D35 R24 R39 1 5 R82 R81 1 R82 R81 6 2 B68 1 1 B436 B438 1 4 10 I50 11 I5 B52 5 R168 10 B52 B52 17 20 1 B281 1 B279 19 10 13 1 2 4 I50 6 B159 6 B158 4 2 3 B225 2 1 15 3 1 23 4 10 9 13 I5 B52 B159 B158 B52 R168 R168 B152 1 25 37 1 3 1 6 33 34 I84 I5 4 4 B225 2 20 I85 10 1 3 2 I85 1 37 1 B435 1 12 R168 4 21 B360 7 1 F109 2 B437 2 2 4 2 1 2 1 1 4 4 6 6 1 7 7 B281 WHT BLK/ BLK/BLU VIO VIO WHT/GRN BLU/RED BLU/GRN BLU/ GRN VIO BLU NCA VIO VIO VIO VIO VIO VIO BLU/GRN VIO WHT BLK/ BLK/WHT BLU/RED GRY VIO VIO VIO VIO VIO VIO BLK/WHT BLK/BLU BLU/YEL BLU/YEL BLU/YEL BLK/WHT WHT GRN/YEL WHT/GRN WHT/GRN BLK/WHT BLU/RED BLU/GRN BLU/RED BLU/RED RED BLU BLK/WHT BLU/RED BLU/RED RED/BLU GRN/BLU BLU/WHT BLU/BLK WHT/BLU BLU/RED WHT/GRN BLK/WHT BLU/RED BLU/RED BLU/RED BLU/GRN BLU/GRN BLU/GRN BLU/RED BLU/RED VIO VIO BLK/WHT BLK/WHT GRN/YEL GRN/YEL VIO VIO VIO VIO VIO BLK/WHT BLK/WHT BLK/WHT BLK/WHT BLK/WHT BLK/BLU BLK/GRN BLK/WHT FUSE 1 FUSE 9 FUSE 17 FUSE 29 FUSE 27 FUSE 8 FUSE 28 FUSE 10 FUSE 3 POWER WINDOW CIRCUIT BREAKER TAIL & ILLUMINATION RELAY FUSE 16 FUSE 14 (LEFT SIDE) OF DASH) (LEFT SIDE) OF DASH) (LEFT SIDE) OF DASH) (LEFT SIDE OF DASH) (LEFT SIDE) OF DASH) (LEFT REAR OF ENGINE COMPT) W/O SUNROOF W/ SUNROOF (NOT USED) (NOT USED) W/ NAVIGATION W/O NAVIGATION SEDAN WAGON (WAGON) (SEDAN) W/O TPMS W/ TPMS (NOT USED) (NOT USED) (IF EQUIPPED) (W/O NAVIGATION) (AUTOMA- TIC A/C) (MANUAL A/C) (W/ VDC) (W/ SI-DRIVE) SEDAN WAGON W/ SI DRIVE W/ HANDSFREE MICROPHONE (WAGON) (SEDAN) (WAGON) (SEDAN) FROM MAIN FUSE BOX (M/B) (DIAGRAM 1 OF 4) FROM MAIN FUSE BOX (M/B) (DIAGRAM 1 OF 4) FROM MAIN FUSE BOX (M/B) (DIAGRAM 1 OF 4) FROM MAIN FUSE BOX (M/B) (DIAGRAM 1 OF 4) FROM MAIN FUSE BOX (M/B) (DIAGRAM 1 OF 4)
1 2 1 2 3 3 3 M K IG1 START C OFF ST2 ACC START OFF ST1 IG2 ON ACC OFF START ON ACC ACC ON OFF ACC START ON 15A D J H 10A 15A 20A 7.5A 15A 10A L 7.5A 7.5A 30A 15A 7.5A 15A 10A LEFT FUSE & RELAY BOX (F/B) FRONT WASHER MOTOR J/C I100 & I99 AIR MIX DOOR ACTUATOR MODE DOOR ACTUATOR BODY INTEGRATED UNIT IMPACT SENSOR SEAT HEATER RELAY REMOTE CONTROL MIRROR SWITCH BODY INTEGRATED UNIT REARVIEW MIRROR REAR WASHER MOTOR REAR WIPER MOTOR COMBINATION METER A/C CONTROL PANEL LEFT FUSE & RELAY BOX (F/B) FUSE & RELAY BOX (F/B) A/C CONTROL PANEL BACKUP LIGHT SWITCH FRONT WIPER MOTOR COMBINATION SWITCH BODY INTEGRATED UNIT NAVIGATION UNIT AUDIO YAW RATE & G SENSOR VDC CONTROL MODULE STEERING ANGLE SENSOR CLOCK COMBINATION METER AIR BAG CONTROL MODULE TURN SIGNAL & HAZARD MODULE OCCUPANT DETECTION CONTROL MODULE 1 I6 R168 I99 I100 I24 AD1 6 R81 R82 D35 4 R39 AD1 2 I24 B31 AB1 1 AB53 AB59 3 R82 R81 12 3 B128 T9 2 4 R34 R34 AD6 6 R82 AD6 R81 11 R50 B90 8 I102 R167 2 I5 I85 B70 1 3 2 6 4 5 5 6 2 8 B159 7 3 1 R168 19 14 R168 B152 I5 6 I5 10 19 B52 3 2 2 2 8 B52 5 B158 11 21 B279 1 1 3 39 3 6 3 B52 9 16 B152 I5 6 8 7 B152 I5 4 1 31 1 4 B159 B52 7 17 I5 1 1 7 B280 15 17 2 B280 3 B152 2 B162 2 AB35 20 21 9 1 4 28 8 2 I50 3 3 GRN/WHT GRN/BLU YEL/ WHT YEL/ WHT WHT YEL/ BLK YEL/ GRN YEL/ YEL/ GRN YEL/ GRN GRN/YEL RED BLK BLK BLK YEL/BLU WHT/BLU NCA YEL/RED GRN WHT BLU YEL YEL YEL YEL/RED GRN YEL YEL/GRN YEL/GRN YEL/GRN GRN YEL/BLU YEL/BLU YEL/BLU WHT/BLU WHT/BLU GRN WHT/BLU WHT/BLK WHT/RED YEL/GRN BLK BLK NCA BLK YEL/BLK YEL/BLK GRN/BLK BLK YEL/RED GRY/RED YEL/BLK NCA WHT/BLU WHT/BLU WHT/BLU WHT/BLU WHT/BLU WHT/BLU GRN/YEL GRN/YEL RED BRN/WHT YEL GRN/YEL GRN/YEL GRN/YEL BRN/WHT BRN/WHT YEL/RED YEL/RED IGNITION SWITCH ACCESSORY RELAY FUSE 7 FUSE 23 FUSE 13 FUSE 6 FUSE 20 FRONT ACCESSORY POWER SUPPLY SOCKET REAR ACCESSORY POWER SUPPLY SOCKET IG2 RELAY FUSE 30 FUSE 31 FUSE 24 FUSE 25 FUSE 11 FUSE 18 FUSE 33 FUSE 5 (LEFT SIDE OF DASH) (RIGHT SIDE OF DASH) (LEFT SIDE) OF DASH) (NEAR RIGHT "C" PILLAR) (CENTER OF DASH) AUTOMATIC A/C (WAGON) W/ SI DRIVE (AUTOMATIC A/C) (NOT USED) 5 SPEED M/T 6 SPEED M/T (NOT USED) W/ NAVIGATION W/O NAVIGATION (AUTOMATIC A/C) GB-7 GB-12 GB-5 FROM MAIN FUSE BOX (M/B) (DIAGRAM 1 OF 4) FROM MAIN FUSE BOX (M/B) (DIAGRAM 1 OF 4) TO FUSE & RELAY BOX (F/B) (DIAGRAM 4 0F 4) TO FUSE & RELAY BOX (F/B) (DIAGRAM 4 0F 4) TO LEFT FUSE & RELAY BOX (F/B) (DIAGRAM 4 0F 4) TO FUSE 26 (DIAGRAM 4 OF 4) TO FUSE 4 (DIAGRAM 4 OF 4)
H 15A L K J M 10A 15A 7.5A 7.5A FUSE & RELAY BOX (F/B) J/C B438, B439, B440, B441, B442, B443, B444 & B445 STARTER RELAY LEFT FUSE & RELAY BOX (F/B) WIPER DEICER RELAY DATA LINK CONNECTOR CLUTCH START SWITCH LEFT FUSE & RELAY BOX (F/B) SUNROOF MOTOR ASSEMBLY TPMS & KEYLESS ENTRY CONTROL MODULE SUNROOF SWITCH SUNROOF SWITCH (TILT) CLUTCH SWITCH IMPACT SENSOR STOP LIGHT & BRAKE SWITCH FUSE & RELAY BOX (F/B) REAR DEFOGGER RELAY MAIN FAN RELAY 1 MAIN FAN RELAY 2 POWER WINDOW RELAY MAIN FUSE BOX (M/B) RELAY HOLDER MAIN FUSE BOX (M/B) LEFT FUSE & RELAY BOX (F/B) THROUGH J/C B360 & F109 A/C CONTROL PANEL FUEL PUMP RELAY RIGHT FUSE & RELAY BOX (F/B) DCCD RELAY RIGHT FUSE & RELAY BOX (F/B) SUB FAN RELAY A/C RELAY IGNITION COIL 4 IGNITION COIL 2 ECM IGNITION COIL 3 IGNITION COIL 1 DCCD CM PRESSURE SWITCH INTAKE DOOR ACTUATOR BLOWER MOTOR RELAY BODY INTEGRATED UNIT RELAY HOLDER 4 B186 B21 E2 49 R50 B90 4 3 B159 B52 13 20 F35 11 B159 2 B442 1 B445 1 B439 35 5 3 3 1 B444 3 8 B52 18 R168 1 1 1 B440 5 4 1 3 1 1 8 B443 B441 B438 24 1 AB35 B162 1 8 I5 11 27 3 3 3 3 30 B136 15 1 B280 1 11 B52 3 I5 B143 19 15 1 F109 10 9 1 14 32 1 9 2 B360 9 1 B152 1 GRN/RED GRN/RED YEL GRN/ YEL GRN/ GRN/YEL GRN/ORG YEL GRN/ GRN/YEL GRN/ORG YEL GRN/ GRN/ORG BLU GRN/ORG GRN/BLU GRN/BLK GRN/BLK GRN/RED WHT/BLK WHT/RED GRN/YEL GRN/YEL GRN/YEL NCA NCA GRN/YEL GRN/YEL GRN/YEL GRN/YEL GRN/YEL GRN/YEL GRN/RED GRN/RED BRN/WHT (OR RED) BRN/WHT (OR RED) BRN/WHT (OR RED) BRN/WHT (OR RED) BRN/WHT GRN/RED (OR RED) GRN/RED GRN/RED GRN/RED GRN/RED GRN/RED GRN/BLK GRN/ORG GRN/BLK GRN/BLK GRN/ORG GRN/ORG GRN/ORG GRN/ORG WHT/BLU WHT/BLU FUSE 4 FUSE 21 FUSE 12 FUSE 22 FUSE 26 (LEFT SIDE OF DASH) (LEFT SIDE) OF DASH) (LEFT REAR OF ENGINE COMPT) (LEFT REAR OF ENGINE COMPT) (LEFT REAR OF ENGINE COMPT) (LEFT SIDE OF DASH) (LEFT REAR OF ENGINE COMPT) (RIGHT SIDE) OF DASH) (LEFT REAR OF ENGINE COMPT) (RIGHT SIDE) OF DASH) (SEDAN) (WAGON) (WAGON) (SEDAN) (NOT USED) (AUTOMATIC A/C) (MANUAL A/C) FROM FUSE 11 (DIAGRAM 3 OF 4) FROM IGNITION SWITCH (DIAGRAM 3 0F 4) FROM IGNITION SWITCH (DIAGRAM 3 0F 4) FROM FUSE 33 (DIAGRAM 3 OF 4) FROM IGNITION SWITCH (DIAGRAM 3 OF 4)