Audi·A3·2008 Audi A3·Wiring
Wiring diagram

2008 Audi A3 — power distribution

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Power distribution

1 1 2 1 2 1 2 1 2 1 2 1 2 2 1 2 H 15A 15A 5A 30A 80A 125A 30A C D 15A 5A 15A B A 30A 30A 30A 30A 10A 5A 10A VEHICLE ELECTRICAL SYSTEM CONTROL MODULE AIR BAG CONTROL MODULE E-BOX HIGH FUSE PANEL B VEHICLE ELECTRICAL SYSTEM CONTROL MODULE CLUTCH POSITION SENSOR ABS CONTROL MODULE MOTRONIC ENGINE CONTROL MODULE (ECM) DIRECT SHIFT GEARBOX (DSG) MECHATRONIC IGNITION COIL 6 IGNITION COIL 5 IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 4 IGNITION COIL 3 EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE COOLANT FAN CONTROL MODULE CAMSHAFT ADJUSTMENT VALVE 1 SECONDARY AIR INJECTION (AIR) SOLENOID VALVE 2 SECONDARY AIR INJECTION (AIR) SOLENOID VALVE LEAK DETECTION PUMP INTAKE MANIFOLD TUNING (IMT) VALVE MOTRONIC ENGINE CONTROL MODULE AFTER-RUN COOLANT PUMP CAMSHAFT ADJUSTMENT VALVE 1 (EXHAUST) SECONDARY AIR INJECTION (AIR) PUMP RELAY T40 40 T2AA 1 2 1 T2AB 3 3 T26 10 3 3 3 4 1 3 2 T75 27 28 3 4 1 2 T40 15 7 T8H T40 6 22 T121 3 3 23 14 T26 20 5 T20E 18 11 T40 31 35 18 1 1 3 T6H T11C 27 23 32 1 T11B T40 21 25 10 T26 11 48 1 8 T121 1 1 1 1 1 1 3 11 T40 2 BLK BLK BLK BRN BRN RED/ GRN GRN RED/ RED/ RED/ GRN RED/ GRN RED/ GRN GRN GRN RED/ RED/ GRN BLK RED/ BLK BLK RED VIO BLK RED/ RED/ RED BLK GRY BLK/ RED/ RED/ GRN GRN GRN BLU/ RED/ RED/ RED/YEL YEL YEL YEL RED/ RED/ BLU BLU BRN RED RED/ GRN RED/ BLK RED WHT/ WHT/ RED BRN VIO/ VIO/ RED RED WHT/ BLU/ RED BLU/ RED RED BLU/ RED BLU/ BLU/ RED BLU/ RED RED BLU/ RED BLU/ BLU/ RED RED NCA BLU/ G673 G51 MAIN FUSE PANEL D BATTERY INTERRUPT IGNITER BATTERY FUSE 3 FUSE 4 FUSE 2 FUSE 1 SUPPRESSOR MOTRONIC ENGINE CONTROL MODULE (ECM) POWER SUPPLY RELAY FUSE 13 FUSE 5 FUSE 5 FUSE 39 FUSE 22 FUSE 28 FUSE 2 FUSE 4 FUSE 1 FUSE 16 FUSE 47 FUSE 26 FUSE 43 FUSE 48 FUSE 25 FUSE 17 COOLANT CIRCULATION PUMP RELAY FUSE 38 FUSE 29 FUSE 15 (RIGHT REAR OF LUGGAGE COMPT) (ON LEFT FRONT LONG MEMBER) (AT RIGHT SIDE OF LUGGAGE COMPT) (M/T) (IF EQUIPPED) (IF EQUIPPED) STARTING/CHARGING SYSTEM TO E-BOX %%UT40%%U-28 (DIAGRAM 2 OF 4) TO FUSE PANEL C-43 (DIAGRAM 4 OF 4) TO E-BOX (DIAGRAM 2 OF 4) TO E-BOX (DIAGRAM 2 OF 4) TO FUSE 18 (DIAGRAM 2 OF 4)
2 1 2 1 2 1 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 H 5A 80A F E 200A 10A 50A 80A 10A 80A 15A 10A 30A 50A G 5A 5A 5A 30A 15A C A 50A 40A 40A 5A 10A D COOLANT FAN CONTROL (FC) MODULE POWER STEERING CONTROL MODULE E-BOX HIGH FUSE PANEL B MASS AIR FLOW SENSOR OXYGEN SENSOR (O2S) 2 HEATER TRANSFER FUEL PUMP (FP) OXYGEN SENSOR (O2S) 1 HEATER VEHICLE ELECTRICAL SYSTEM CONTROL MODULE MOTRONIC ENGINE CONTROL MODULE FUEL PUMP (FP) 2 RELAY WIPER MOTOR CONTROL MODULE SECONDARY AIR INJECTION (AIR) PUMP RELAY HEATED OXYGEN SENSOR (O2S) 2 HEATER HEATED OXYGEN SENSOR (O2S) HEATER FUEL INJECTOR CYLINDER 1 FUEL INJECTOR CYLINDER 4 FUEL INJECTOR CYLINDER 2 FUEL INJECTOR CYLINDER 3 FUEL INJECTOR CYLINDER 5 FUEL INJECTOR CYLINDER 6 FUSE PANEL B VEHICLE ELECTRICAL SYSTEM CONTROL MODULE STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE VEHICLE ELECTRICAL SYSTEM CONTROL MODULE DATA BUS ON BOARD DIAGNOSTIC INTERFACE SATELLITE RADIO AMPLIFIER OR AMPLIFIER/ WOOFER MOTRONIC ENGINE CONTROL MODULE (ECM) INSTRUMENT CLUSTER CONTROL MODULE RADIO TELEPHONE TRANSCEIVER T8H 7 38 1 T4D T2A 1 T26 19 1 1 33 T40 3 1 4 2 2 T26 6 12 T40 2 4 1 1 1 1 1 1 1 7 65 T121 2 1 14 4 T26 5 3 1 T26 T2B 1 27 A/30 M/30 T16G 16 34 30 2 T54 1 T32 18 T8U 15 1 25 24 2 1 1 T20D 17 23 1 T40 28 4 62 1 T2T 39 19 T20B T121 VIO RED/ RED WHT RED/ RED RED BLK/ GRY BLK BLU/ RED BLU/ NCA RED BLU/ NCA RED RED/ RED/ BLU VIO BLU RED/ RED/ BLU BLK/ BRN BLK/ GRN BLK/ BRN BLK/ GRN RED BLK/ BRN BLK/ BRN RED WHT/ NCA RED/ BLK BLK RED/ BLK RED/ BLK RED/ BLK RED/ BLK RED/ RED/ BLK RED WHT/ RED WHT/ NCA BLK RED BLK RED RED/ WHT RED/ WHT RED/ WHT WHT RED/ WHT RED/ WHT RED/ RED/ YEL RED/ WHT RED/ WHT YEL RED/ WHT RED/ BLU RED/ BLK RED/ BLU WHT RED/ WHT RED/ BLK RED/ BLK RED/ BLK RED/ BLK RED/ YEL RED/ RED/ YEL RED/ FUSE PANEL A FUSE 5 FUSE 2 FUSE 3 FUSE 1 FUEL PUMP (FP) RELAY FUSE 12 FUSE 11 FUSE 10 FUSE 6 FUSE 52 FUSE 30 FUSE 31 FUSE 19 FUSE 53 FUSE 29 FUSE 51 FUSE 49 FUSE 28 FUSE 20 FUSE 9 FUSE 16 FUSE 2 FUSE 19 FUSE 8 FUSE 17 FUSE 6 FUSE 4 FUSE 3 FUSE 18 FUSE 24 FUSE 12 FUSE 23 W/ HIGH E-BOX W/ LOW E-BOX W/ WOOFER W/O WOOFER (NOT USED) (IF EQUIPPED) FROM FUSE PANEL D - B/1 (DIAGRAM 1 OF 4) TO FUSE PANEL C-2A DIAGRAM (3 OF 4) FROM SUPPRESSOR (DIAGRAM 1 OF 4) TO FUSE PANEL C-22 (DIAGRAM 4 OF 4) STARTING/ CHARGING SYSTEM TO FUSE PANEL C-32 (DIAGRAM 4 OF 4) FROM FUSE 5 (DIAGRAM 1 OF 4) FROM E-BOX %%UT40%%U-15 (DIAGRAM 1 OF 4)
5A 5A 5A 10A E 10A 5A VEHICLE ELECTRICAL SYSTEM CONTROL MODULE FUSE PANEL C LEFT HEADLAMP POWER OUTPUT STAGE RIGHT HEADLAMP POWER OUTPUT STAGE HEADLAMP RANGE CONTROL MODULE LIGHT SWITCH DIRECT SHIFT GEARBOX (DSG) MECHATRONIC ALL-WHEEL DRIVE CONTROL MODULE BRAKE LIGHT SWITCH POWER STEERING CONTROL MODULE MOTRONIC ENGINE CONTROL MODULE ABS CONTROL MODULE SELECTOR LEVER SENSOR SYSTEM CONTROL MODULE DATA BUS ON BOARD DIAGNOSTIC INTERFACE LEFT HIGH INTENSITY GAS DISCHARGE (HID) LAMP RIGHT HIGH INTENSITY GAS DISCHARGE (HID) LAMP DATA LINK CONNECTOR FRONT PASSENGER'S AIRBAG DISABLED INDICATOR LAMP ASR/ESP BUTTON CLIMATRONIC CONTROL MODULE GARAGE DOOR OPENER CONTROL MODULE GARAGE DOOR OPENER CONTROL HEAD LEFT WASHER NOZZLE HEATER SEAT OCCUPIED RECOGNITION CONTROL MODULE AUTOMATIC DAY/NIGHT INTERIOR MIRROR AIR QUALITY SENSOR RIGHT WASHER NOZZLE HEATER OIL LEVEL THERMAL SENSOR HIGH PRESSURE SENSOR BACKUP LIGHT SWITCH (M/T) AIR BAG CONTROL MODULE 4 3 2 1 3 4 2 1 4 3 2 1 8 2 6 4 T11B 11 1 2 T2T T8H 1 6A 4 5A 4 31 4A 31 4 29 T10K 9 T20E 2A 1A T20D 14 T5 4 T8Y 21 1 4 T121 23 4 T10E 3A 1 13 7 9 T16D 4 4 1 1 1 1 1 1 3 4 2 1 VIO BRN/ BLK/ YEL RED BLK BRN BRN GRY YEL/ GRY YEL/ GRY YEL/ BLK BLK/ GRN GRN BLK/ BLK/ GRY GRY BLK/ NCA NCA GRY BLK/ GRY BLK/ GRY GRY BLK/ BLK/ BLK GRY BLK/ GRY BLK/ GRY BLK/ NCA YEL BLK/ YEL BLK/ YEL BLK/ YEL BLK/ BLK GRY BLK/ BLK/ VIO BLK/ VIO BLK/ VIO GRN/ RED BLK/ VIO VIO BLK/ VIO BLK/ VIO BLK/ VIO BLK/ BLK/ VIO BLK/ VIO BLK/ RED BLK/ VIO VIO VIO BLK/ BLK/ GRN/ RED RED GRN/ G655 POWER SUPPLY RELAY (TERMINAL 50) POWER SUPPLY RELAY 2 (TERMINAL 15) LOAD REDUCTION RELAY POWER SUPPLY RELAY 2 (TERMINAL 30) FUSE 6 FUSE 5 FUSE 2 FUSE 1 FUSE 3 FUSE 4 (ON 5-POSITION FUSE/RELAY CARRIER) (ON LEFT HEADLIGHT) W/O HILL- HOLD W/ HILL- HOLD (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) ENGINE CONTROLS SYSTEM STARTING/ CHARGING SYSTEM FROM E-BOX %%UT26%%U-5 DIAGRAM (2 OF 4)
10A 10A 10A B 15A 15A 40A 10A G 20A 20A 30A 30A 10A 10A 5A F 20A 30A 15A 40A 30A 20A 30A 30A 20A FUSE PANEL C DRIVER'S DOOR CONTROL MODULE FRONT PASSENGER'S DOOR CONTROL MODULE COMFORT SYSTEM CENTRAL CONTROL MODULE POWER SUNROOF CONTROL MODULE DRIVER'S SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH FRONT PASSENGER'S SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH CLIMATRONIC CONTROL MODULE VEHICLE ELECTRICAL SYSTEM CONTROL MODULE REAR WINDOW WIPER MOTOR HEADLAMP WASHER RELAY DRIVER'S SEAT ADJUSTMENT SWITCH FRONT PASSENGER'S SEAT ADJUSTMENT SWITCH FRESH AIR BLOWER CONTROL MODULE VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VEHICLE ELECTRICAL SYSTEM CONTROL MODULE FRONT PASSENGER'S DOOR CONTROL MODULE LEFT REAR DOOR CONTROL MODULE RIGHT REAR DOOR CONTROL MODULE RAIN/LIGHT RECOGNITION SENSOR CLIMATRONIC CONTROL MODULE DATA LINK CONNECTOR FUEL PUMP (FP) 2 RELAY ALARM HORN TIRE PRESSURE MONITORING CONTROL MODULE DRIVER'S DOOR CONTROL MODULE RIGHT REAR DOOR CONTROL MODULE LEFT REAR DOOR CONTROL MODULE COMFORT SYSTEM CENTRAL CONTROL MODULE ABS CONTROL MODULE SELECTOR LEVER SENSOR SYSTEM CONTROL MODULE 12 12A T20G 18 18 T20F 14A 13A T16D 12 43 43A 42A 40 40A 36A 41A 37A 33A 32 32A 1 2 2 T2B 2 1 4 T6H 3 3 T16D 14 13 T6B 4 4 2 T4X 1 3 22 38 16A 15A 1 5 T10D 25A 26A 6 T10D 17A 16 T20Q 3 2 1 3 27A 23A 22A 4 24A 38A 20 T20O T20G 10 6 20 T20F 3 1 28 28A 20 20 T20N T4W T18 17 10 T20O 12 12 T20N T10K T18 1 2 3 1 2 3 1 RED/ BLK YEL RED/ YEL RED/ RED/ VIO RED/ YEL RED/ BLK BLK RED/ BLK RED/ RED RED GRN RED/ RED GRN RED/ BLU RED/ RED/ YEL BLK/ YEL RED/ WHT WHT RED/ BLK/ BRN RED RED WHT RED/ YEL RED/ RED/ WHT RED/ RED/ BLK BLK YEL RED/ RED RED RED RED/ BLK RED RED/ BLK RED/ BLK GRN/ RED VIO/ WHT RED/ GRY RED/ BLK RED/ GRN/ RED BRN BRN GRY RED/ BLU RED/ GRN RED/ BLU WHT RED/ RED/ BLK RED/ GRN BLU RED/ WHT BLK BLK RED/ RED/ RED/ RED RED/ GRN GRN RED/ RED/ VIO RED/ VIO RED/ YEL YEL YEL GRY/BLU BLK RED/ GRY/BLU RED/BLK BRN BRN BRN BRN RED/ G62 G44 G44 SAFETY FUSE 1 S131 FUSE 12 FUSE 43 FUSE 33 FUSE 37 FUSE 36 FUSE 42 FUSE 40 FUSE 32 FUSE 41 FUSE 13 FUSE 17 FUSE 16 FUSE 14 FUSE 23 FUSE 26 FUSE 24 FUSE 27 FUSE 38 FUSE 28 FUSE 25 FUSE 22 FUSE 15 SOCKET CIGARETTE LIGHTER 12V SOCKET (ON RIGHT "C" PILLAR) (BEHIND LEFT KICK PANEL) (BEHIND LEFT KICK PANEL) (NOT USED) (W/ A/C CONTROL MODULE (IF EQUIPPED) FROM E-BOX %%UT40%%U-2 (DIAGRAM 2 OF 4) FROM FUSE PANEL D-C/1 (DIAGRAM 1 OF 4) FROM E-BOX-D (FUSE PANEL A) (DIAGRAM 2 OF 4) INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM