Audi A3 8P facelift 2 (2008-2013) computer data lines system Wiring diagrams

ALL-WHEEL DRIVE CONTROL MODULE (LEFT FRONT OF REAR AXLE BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE CBFA CCTA CLUTCH POSITION SENSOR (M/T) COMPUTER DATA LINES SYSTEM CRUISE CONTROL CRUISE CONTROL IND INSTRUMENT CLUSTER CONTROL MODULE DIFFERENTIAL) DIRECT SHIFT GEARBOX (DSG) MECHATRONIC (ON TRANSMISSION HOUSING) FUSE 22 FUSE 6 FUSE PANEL B (INTEGRATED IN ENGINE COMPARTMENT E-BOX) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ MOTRONIC ENGINE CONTROL MODULE (ECM) POWER SUPPLY RELAY ENERGIZED M/T MOTRONIC ENGINE CONTROL MODULE (IN CENTER OF PLENUM CHAMBER) NCA WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE RED WIRE RED/WHT WIRE STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (UNDER STEERING COLUMN) SWITCH (IF EQUIPPED) THROTTLE VALVE CONTROL MODULE (ON THROTTLE BODY) TRANSMISSION INPUT SPEED (RPM) SENSOR TRANSMISSION OUTPUT SPEED (RPM) SENSOR TRANSMISSION OUTPUT SPEED (RPM) SENSOR 2 VIO WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE

ALL WHEEL DRIVE CONTROL MODULE (LEFT FRONT OF REAR AXLE DIFFERENTIAL) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL CRUISE CONTROL IND INSTRUMENT CLUSTER CONTROL MODULE DIRECT SHIFT GEARBOX (DSG) MECHATRONIC (ON TRANSMISSION HOUSING) ENGINE CONTROL MODULE (ECM) (REAR OF ENGINE COMPT) FUSE 22 FUSE 24 FUSE 6 FUSE PANEL B (INTEGRATED IN ENGINE COMPARTMENT E-BOX) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ MOTRONIC ENGINE CONTROL MODULE (ECM) POWER SUPPLY RELAY ENERGIZED HOT W/ POWER SUPPLY RELAY (TERMINAL 30,B+) ENERGIZED NCA WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (UNDER STEERING COLUMN) SWITCH (IF EQUIPPED) THROTTLE VALVE CONTROL MODULE (ON THROTTLE BODY) TRANSMISSION INPUT SPEED (RPM) SENSOR TRANSMISSION OUTPUT SPEED (RPM) SENSOR TRANSMISSION OUTPUT SPEED (RPM) SENSOR 2 WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/GRN WIRE

ABS CONTROL MODULE (AT RIGHT REAR OF ENGINE COMPT) ABS HYDRAULIC PUMP ABS HYDRAULIC UNIT ABS WARNING IND ASR/ESP BUTTON BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRAKE LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE PAD WEAR IND LAMP ASR/ESP CONTROL LAMP BRAKE PRESSURE SENSOR 1 BRN WIRE COMPUTER DATA LINES SYSTEM DRIVING DYNAMICS REGULATION HIGH PRESSURE SWITCH VALVE 1 DRIVING DYNAMICS REGULATION HIGH PRESSURE SWITCH VALVE 2 DRIVING DYNAMICS REGULATION SWITCH VALVE 1 DRIVING DYNAMICS REGULATION SWITCH VALVE 2 FUSE 22 FUSE 4 FUSE 6 FUSE PANEL GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRY/BLU WIRE HEADLIGHT RANGE CONTROL MODULE (BEHIND RIGHT CENTER OF DASH) HOT AT ALL TIMES HOT AT ALL TIMES FUSE PANEL B FUSE 25 (INTEGRATED IN ENGINE COMPT E-BOX) HOT W/ MOTRONIC ENGINE CONTROL MODULE (ECM) POWER SUPPLY RELAY HOT W/ POWER SUPPLY RELAY 2 (TERMINAL 15) ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE LEFT FRONT ABS INLET VALVE LEFT FRONT ABS OUTLET VALVE LEFT FRONT ABS WHEEL SPEED SENSOR LEFT FRONT BRAKE PAD WEAR SENSOR LEFT FRONT LEVEL CONTROL SYSTEM SENSOR (W/O ELECTRONIC DAMPING) LEFT REAR ABS INLET VALVE LEFT REAR ABS OUTLET VALVE LEFT REAR ABS WHEEL SPEED SENSOR M/T NCA WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT FRONT ABS INLET VALVE RIGHT FRONT ABS OUTLET VALVE RIGHT FRONT ABS WHEEL SPEED SENSOR (W/ ELECTRONIC DAMPING) RIGHT REAR ABS INLET VALVE RIGHT REAR ABS OUTLET VALVE RIGHT REAR ABS WHEEL SPEED SENSOR STEERING ANGLE SENSOR (BEHIND STEERING WHEEL) VACUUM SENSOR (IF EQUIPPED) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BELOW LEFT SIDE OF DASH) VIO WIRE VIO/YEL WIRE W/ CORNERING LIGHT W/O CORNERING LIGHT WHT WIRE YEL WIRE

2.0L TURBO ABS CONTROL MODULE (AT RIGHT REAR OF ENGINE COMPT) ABS HYDRAULIC PUMP ABS HYDRAULIC UNIT ABS WARNING IND ASR/ESP BUTTON BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRAKE LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE PAD WEAR IND ASR/ESP CONTROL LAMP BRAKE PRESSURE SENSOR 1 BRN WIRE COMPUTER DATA LINES SYSTEM DRIVING DYNAMIC REGULATION HIGH PRESSURE SWITCH VALVE 1 DRIVING DYNAMIC REGULATION HIGH PRESSURE SWITCH VALVE 2 DRIVING DYNAMIC REGULATION SWITCH VALVE 1 DRIVING DYNAMIC REGULATION SWITCH VALVE 2 ESP SENSOR UNIT FUSE 16 FUSE 2 FUSE 4 FUSE 4 FUSE 2 FUSE PANEL C GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE HEADLIGHT RANGE CONTROL MODULE (BEHIND RIGHT CENTER OF DASH) HOT AT ALL TIMES HOT AT ALL TIMES FUSE PANEL B (INTEGRATED IN ENGINE COMPT E-BOX) HOT W/ POWER SUPPLY RELAY 2 (TERMINAL 15) ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE LEFT FRONT ABS INLET VALVE LEFT FRONT ABS OUTLET VALVE LEFT FRONT ABS WHEEL SPEED SENSOR LEFT FRONT BRAKE PAD WEAR SENSOR LEFT FRONT LEVEL CONTROL SYSTEM SENSOR (W/O ELECTRONIC DAMPING) LEFT REAR ABS INLET VALVE LEFT REAR ABS OUTLET VALVE LEFT REAR ABS WHEEL SPEED SENSOR NCA WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT ABS INLET VALVE RIGHT FRONT ABS OUTLET VALVE RIGHT FRONT ABS WHEEL SPEED SENSOR RIGHT REAR ABS INLET VALVE RIGHT REAR ABS OUTLET VALVE RIGHT REAR ABS WHEEL SPEED SENSOR STEERING ANGLE SENSOR (BEHIND STEERING WHEEL) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BELOW LEFT SIDE OF DASH) VIO WIRE VIO/YEL WIRE W/ CORNERING LIGHT W/O CORNERING LIGHT WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

ANTI-THEFT IMMOBILIZER READING COIL BLK WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE CENTRAL LOCKING SAFE INDICATOR LAMP COMPUTER DATA LINES SYSTEM CONTROL MODULE DRIVER INTERIOR LOCKING BUTTON DRIVER'S DOOR CENTRAL LOCKING LOCK UNIT FRONT PASSENGER DOOR CENTRAL LOCKING LOCK UNIT FRONT PASSENGER INTERIOR LOCKING BUTTON FUSE 12 FUSE 13 FUSE 23 FUSE 28 FUSE 38 FUSE PANEL C GRN/BLK WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INTERIOR LIGHTS SYSTEMS ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT REAR CENTRAL LOCKING LOCK UNIT VIO/BLU WIRE VIO/WHT WIRE W/ FRONT PASSENGER'S DOOR OPENER ILLUMINATION

3 DOOR 5 DOOR ALARM HORN (IF EQUIPPED) (IN RIGHT FRONT WHEELWELL) ANTENNA AMPLIFIER 2 BLK WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CENTRAL LOCKING, ANTI-THEFT ALARM SYSTEM ANTENNA COMPUTER DATA LINES SYSTEM FRONT HOOD SWITCH (BASE OF ENGINE COMPT HOOD LATCH) FUSE 17 FUSE PANEL C GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT REAR CENTRAL LOCKING LOCK UNIT NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PARKING BRAKE CONTACT SWITCH PASSENGER COMPARTMENT MONITORING, ALARM SYSTEM OFF SWITCHES REAR LID CENTRAL LOCKING SYSTEM MOTOR REAR WINDOW GLASS BREAKAGE SENSOR (W/ ANTI-THEFT ALARM) REAR/CENTER CENTRAL LOCKING SWITCH RED GRN/ WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE TRUNK LID ALARM SWITCH TRUNK LID ALARM SWITCH, REAR LID CENTRAL LOCKING SYSTEM MOTOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BELOW LEFT SIDE OF DASH) VIO/BLU WIRE VIO/WHT WIRE W/O NAVIGATION W/ NAVIGATION WHT WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/RED WIRE

BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE CENTRAL FLAP MOTOR POSITION SENSOR (ON CENTRAL FLAP ACTUATOR MOTOR) CLIMATRONIC CONTROL MODULE COMPUTER DATA LINES SYSTEM DEFROSTER FLAP MOTOR POSITION SENSOR (ON DEFROSTER FLAP MOTOR) FUSE (INTEGRATED IN ENGINE COMPT E-BOX) FUSE PANEL B GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/YEL WIRE SEATS SYSTEM WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

BRN WIRE CLIMATRONIC CONTROL MODULE (W/ A/C DISPLAY CONTROL HEAD) COMPUTER DATA LINES SYSTEM DRIVER HEATED OUTSIDE MIRROR DRIVER SIDE OUTSIDE MIRROR ASSEMBLY FRONT PASSENGER HEATED OUTSIDE MIRROR FUSE 12 FUSE PANEL C HOT AT ALL TIMES NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER SIDE OUTSIDE MIRROR ASSEMBLY RED/YEL WIRE

BRN WIRE BRN/WHT WIRE CLIMATRONIC CONTROL MODULE (A/C DISPLAY CONTROL HEAD) COMPUTER DATA LINES SYSTEM FUSE FUSE PANEL B (INTEGRATED IN ENGINE COMPARTMENT E-BOX) FUSE PANEL C GRN/VIO WIRE HEATED REAR WINDOW HEATER CONTROL MODULE (IF EQUIPPED) HOT AT ALL TIMES HOT AT ALL TIMES FUSE 25 LEFT ANTENNA MODULE (LEFT SIDE OF LUGGAGE COMPT LID) NCA WIRE ORG/BRN WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR WINDOW DEFOGGER INDICATOR LAMP REAR WINDOW DEFOGGER RELAY (ON RELAY CARRIER) REAR WINDOW DEFOGGER SWITCH REAR WINDOW DEFOGGER SWITCH 13 12 REAR WINDOW DEFOGGER W/ WINDOW ANTENNA RED/VIO WIRE RED/WHT WIRE VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BELOW LEFT SIDE OF DASH) W/ 3 DOOR VERSION W/ 5 DOOR VERSION W/ NAVIGATION W/O NAVIGATION WHT WIRE WINDSHIELD ANTENNA SUPPRESSION FILTER (IN REAR LID) WINDSHIELD ANTENNA SUPPRESSION FILTER (W/ NAVIGATION) (IN REAR LID)

BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SYSTEM HEADLIGHTS SYSTEM ENGINE CONTROLS SYSTEM TRANSMISSIONS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM FUSE FUSE 16 FUSE PANEL B (INTEGRATED IN ENGINE COMPT E-BOX) FUSE PANEL C GRN/RED WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HOT AT ALL TIMES NCA WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE SOUND SYSTEMS STARTING/CHARGING SYSTEM STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE CIRCUIT VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BELOW LEFT SIDE OF DASH) VIO/BLK WIRE VIO/YEL WIRE W/ HILL HOLD ASSIST WHT WIRE WHT/YEL WIRE YEL WIRE