Subaru·Impreza Wrx Sti·2010 Subaru Impreza WRX STI·Wiring
Wiring diagram

2010 Subaru Impreza WRX STI — power distribution

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Power distribution

1 2 1 2 1 2 A F 10A 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 15A MAIN FUSE BOX (M/B) HORN RELAY HIGH HEADLIGHT RELAY LOW HEADLIGHT RELAY STARTER MOTOR BATTERY MAIN FAN RELAY 1 REAR DEFOGGER RELAY RELAY HOLDER GENERATOR RELAY HOLDER SECONDARY AIR PUMP RELAY 2 SECONDARY AIR PUMP RELAY 1 VDC CONTROL MODULE SUB FAN RELAY SECONDARY AIR PUMP RELAY RIGHT FUSE & RELAY BOX (F/B) DATA LINK CONNECTOR THROUGH J/C B360 & F109 J/C B53 ECM KEY ILLUMI- NATION BODY INTEGRATED UNIT KEY WARNING SWITCH RIGHT FUSE & RELAY BOX (F/B) DAYTIME RUNNING LIGHT RELAY TURN SIGNAL & HAZARD MODULE ELECTRONIC THROTTLE CONTROL RELAY A/F OXYGEN SENSOR RELAY DCCD CM DCCD RELAY FUEL PUMP RELAY TCM IG RELAY MAIN RELAY 23 21 1 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 5 B145 B186 B145 5 6 2 29 3 5 B135 2 6 22 2 B279 4 16 3 B54 25 26 27 9 11 21 23 4 16 14 F109 3 39 37 B360 WHT/RED WHT/GRN YEL/RED YEL/RED YEL/RED WHT/RED WHT/RED WHT/BLU WHT/BLU BLU) BLU WHT/ WHT/RED (OR WHT/ RED WHT/ RED WHT/ 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 YEL/GRN YEL/WHT YEL/BLK WHT/RED WHT/BLU WHT/BLU WHT/BLK WHT/BLK WHT/BLK WHT WHT WHT/BLU WHT/BLU WHT MAIN SBF FUSE FUSE 16 SBF 6 FUSE FUSE 3 SBF 2 FUSE SBF 3 FUSE SBF 1 FUSE SBF 8 FUSE FUSE 5 FUSE 8 FUSE 1 FUSE 2 SBF 4 FUSE FUSE 13 FUSE 14 SBF 5 FUSE FUSE 12 FUSE 11 FUSE 15 SBF 7 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) (CENTER OF DASH) (RIGHT SIDE OF DASH) (NOT USED) (2.5L TURBO) 2.5L 2.5L TURBO 2.5L 2.5L EXCEPT WRX STI WRX STI 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 FUSE & RELAY BOX (F/B) (DIAGRAM 2 0F 4) TO IGNITION SWITCH (DIAGRAM 3 0F 4) TO TAIL & ILLUMINATION RELAY (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 FUSE & RELAY BOX (F/B) LEFT FUSE & RELAY BOX (F/B) AUDIO NAVIGATION UNIT BLOWER MOTOR RELAY WIPER DEICER RELAY STOP LIGHT & BRAKE SWITCH CLOCK LUGGAGE ROOM LIGHT SPOT MAP LIGHT TRUNK ROOM LIGHT FRONT FOG LIGHT RELAY ROOM LIGHT KEYLESS ENTRY CONTROL MODULE BODY INTEGRATED UNIT SEAT HEATER RELAY BODY INTEGRATED UNIT LEFT FUSE & RELAY BOX (F/B) LEFT FUSE & RELAY BOX (F/B) FUSE & RELAY BOX (F/B) POWER WINDOW RELAY SUNROOF MOTOR ASSEMBLY LEFT FUSE & RELAY BOX (F/B) J/C B435, B436, B437 & B438 BODY INTEGRATED UNIT A/C CONTROL PANEL NAVIGATION UNIT AUDIO AT SELECT LEVEL ILLUMINATION LIGHT VDC OFF SWITCH ILLUMINATION LIGHT THROUGH J/C B360 & F109 ROLLER CONNECTOR REMOTE CONTROL ENGINE START CONTROL UNIT POCKET LIGHT ILLUMINATION CONTROL SWITCH RIGHT LICENSE PLATE LIGHT RIGHT FRONT CLEARANCE LIGHT CLOCK LEFT FRONT CLEARANCE LIGHT HAZARD SWITCH LEFT LICENSE PLATE LIGHT LEFT LICENSE PLATE LIGHT GLOVE BOX ILLUMINATION LIGHT RIGHT REAR COMBINATION LIGHT LEFT REAR COMBINATION LIGHT 2 B68 1 1 B436 B438 1 4 1 I87 11 I5 B52 5 R168 10 B52 B52 17 20 1 B281 1 B279 19 19 20 17 18 10 13 1 2 6 I87 6 B159 6 B158 4 2 3 B225 2 1 15 3 1 23 4 10 9 13 I5 B52 B159 B52 B158 B52 R168 R168 B152 1 25 37 1 3 1 4 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 1 2 4 2 1 1 1 1 4 4 6 6 1 7 7 15 B281 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/RED BLU/GRN BLU/GRN BLU/GRN BLU/RED BLU/RED BLU/RED VIO VIO BLK/WHT BLK/WHT GRN/YEL GRN/YEL VIO VIO VIO VIO VIO VIO BLK/WHT BLK/WHT BLK/WHT BLK/WHT BLK/WHT BLK/BLU BLK/GRN GRN/YEL BLK/WHT FUSE 28 FUSE 29 FUSE 9 FUSE 1 FUSE 27 FUSE 8 FUSE 17 FUSE 3 FUSE 10 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 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) (NOT USED) (NOT USED) (IF EQUIPPED) (W/O NAVIGATION) (AUTOMATIC A/C) (MANUAL A/C) (W/ VDC) (A/T) WAGON SEDAN (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)
M K IG1 START C OFF ST1 ACC START OFF ST2 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 COMBINATION METER BODY INTEGRATED UNIT IMPACT SENSOR TPM CONTROL MODULE A/C CONTROL PANEL AIR MIX DOOR ACTUATOR MODE DOOR ACTUATOR REMOTE CONTROL MIRROR SWITCH REAR WASHER MOTOR BODY INTEGRATED UNIT SEAT HEATER RELAY REARVIEW MIRROR REAR WIPER MOTOR 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 COMBINATION METER OCCUPANT DETECTION CONTROL MODULE AIR BAG CONTROL MODULE CLOCK TURN SIGNAL & HAZARD MODULE INHIBITOR SWITCH I5 I85 B70 1 3 2 6 4 5 4 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 R168 11 21 B279 1 1 I100 3 39 3 6 3 I99 B52 9 16 B152 I5 6 8 7 B152 I5 4 1 31 6 1 4 B159 B52 7 17 I5 1 2 1 8 7 B280 15 17 2 B280 3 B152 2 B162 2 AB35 20 21 9 1 4 28 8 2 I87 10 3 GRN/BLU GRN/BLU NCA YEL/RED GRN WHT BLU YEL YEL YEL YEL/RED GRN YEL YEL/GRN YEL/GRN YEL/GRN YEL/GRN YEL/WHT YEL/BLU YEL/BLU YEL/BLU WHT/BLU WHT/BLU GRN WHT/BLU WHT/BLU WHT/BLK WHT/RED YEL/GRN BLK BLK BLK BLK WHT) NCA (OR GRN/ BLK BLU/WHT GRN/BLU YEL/BLK YEL/BLK GRN/BLU 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 GRN/YEL 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 REAR ACCESSORY POWER SUPPLY SOCKET FRONT 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) (HO TURBO: UNDER CENTER OF DASH) (CENTER OF DASH) AUTOMATIC A/C (AUTOMATIC A/C) (WAGON) (NOT USED) (NOT USED) M/T A/T W/O NAVIGATION W/ NAVIGATION (WRX STI) (EXCEPT WRX STI) (AUTOMATIC A/C) GB-12 GB-7 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 CLUTCH SWITCH (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 WIPER DEICER RELAY DATA LINK CONNECTOR ECM CLUTCH START SWITCH STARTER RELAY LEFT FUSE & RELAY BOX (F/B) LEFT FUSE & RELAY BOX (F/B) SUNROOF SWITCH (TILT) TPM CONTROL MODULE SUNROOF MOTOR ASSEMBLY NAVIGATION UNIT SUNROOF SWITCH ECM CLUTCH SWITCH IMPACT SENSOR STOP LIGHT & BRAKE SWITCH FUSE & RELAY BOX (F/B) MAIN FAN RELAY 2 POWER WINDOW RELAY MAIN FAN RELAY 1 REAR DEFOGGER RELAY MAIN FUSE BOX (M/B) RELAY HOLDER MAIN FUSE BOX (M/B) LEFT FUSE & RELAY BOX (F/B) THROUGH J/C B360 & F109 J/C B53 A/C CONTROL PANEL DCCD RELAY LEFT FUSE & RELAY BOX (F/B) SUB FAN RELAY 2 TCM IGNITION COIL 4 IGNITION COIL 1 ECM IGNITION COIL 3 IGNITION COIL 2 DCCD CM PRESSURE SWITCH BLOWER MOTOR RELAY INTAKE DOOR ACTUATOR A/C RELAY FUEL PUMP RELAY BODY INTEGRATED UNIT REAR VEHICLE SPEED SENSOR RELAY HOLDER 3 B159 B186 4 B52 13 20 F35 11 9 B159 2 B442 1 B445 1 25 B439 35 5 3 3 1 B444 3 I50 8 B52 18 R168 5 I5 1 1 1 B440 5 5 16 1 3 1 1 B136 8 B443 B441 B438 24 1 AB35 B162 1 8 I5 11 27 3 3 3 3 19 B136 15 1 B280 1 3 B54 2 1 11 B52 3 I5 B143 19 15 1 F109 10 9 1 14 32 1 9 2 B360 11 1 B152 1 32 B136 GRN/ORG BLU GRN/ORG GRN/ORG GRN/BLU GRN/BLK GRN/BLK GRN/RED GRN/RED WHT/BLK WHT/BLK WHT/RED GRN/YEL GRN/YEL GRN/YEL GRN/YEL GRN/YEL NCA NCA GRN/YEL GRN/YEL GRN/YEL GRN/YEL GRN/YEL GRN/YEL GRN/YEL GRN/YEL GRN/YEL GRN/RED 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 RED/BLK GRN/WHT GRN/BLU GRN/RED GRN/RED GRN/BLK GRN/ORG GRN/BLK GRN/BLK GRN/ORG GRN/ORG GRN/ORG GRN/ORG WHT/BLU WHT/BLU WHT/BLK WHT/BLK FUSE 4 FUSE 21 FUSE 12 FUSE 26 FUSE 22 (LEFT SIDE OF DASH) (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) (CENTER OF DASH) (LEFT REAR OF ENGINE COMPT) (LEFT SIDE) OF DASH) (LEFT REAR OF ENGINE COMPT) (SEDAN) (WAGON) A/T M/T (WAGON) (SEDAN) (A/T) (M/T) (NOT USED) EXCEPT WRX STI WRX STI (AUTOMATIC A/C) (MANUAL A/C) (2.5L TURBO) 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)