Wiring diagrams for Audi TT 8N facelift (2003-2006)

Automatic a/c circuit

Anti-lock brakes circuit

Anti-theft circuit, coupe Anti-theft circuit, roadster

Computer data lines circuit

Cooling fan circuit

Cruise control circuit

Defoggers circuit, coupe Defoggers circuit, roadster

Wiring diagram engine performance 1.8l

Wiring diagram engine performance 3.2l

Back-up lamps circuit Exterior lamps circuit, with drl Exterior lamps circuit, without drl

Ground distribution circuit

Headlamps circuit, with drl Headlamps circuit, with high intensity gas discharge headlights Headlamps circuit, without drl, without high intensity gas discharge headlights

Horn circuit

Auto check system circuit Instrument cluster circuit

Courtesy lamps circuit Instrument illumination circuit

Navigation circuit

Power distribution circuit

Power door locks circuit, coupe Power door locks circuit, roadster

Power mirrors circuit

Heated seats circuit

Convertible top circuit

Power windows circuit

Bose radio circuit, coupe with bose system Bose radio circuit, coupe without bose system Bose radio circuit, roadster with bose system Bose radio circuit, roadster without bose system

Shift interlock circuit

Charging circuit Starting circuit, a/t with direct shift Starting circuit, a/t without direct shift Starting circuit, m/t

Supplemental restraints circuit

A/t circuit, with direct shift A/t circuit, without direct shift Awd circuit

Wiper/washer circuit

ANTI-THEFT IMMOBILIZATION INDUCTION COIL BLOCKING DIODE CENTER REAR WOOFER/ AMPLIFIER COIL COIL D+ GENERATOR DRIVER'S DOOR LOCK ASSEMBLY HIGH TONE HORN LEFT REAR WOOFER/ AMPLIFIER LEFT WASHER NOZZLE HEATER LEFT WASHER NOZZLE HEATER, RIGHT WASHER NOZZLE HEATER LOW TONE HORN PASSENGER'S DOOR LOCK ASSEMBLY RIGHT WASHER NOZZLE HEATER

CD CHANGER COMPARTMENT CENTRAL LOCKING MOTOR ENGINE COMPARTMENT W-BOX ENGINE COOLANT LEVEL WARNING FUEL TANK LID UNLOCK MOTOR LEFT HEADLIGHT ADJUSTING MOTOR INSTRUMENT CLUSTER LEFT WINDOW MOTOR OIL PRESS MOTOR OIL PRESSURE ACTUATOR REMOTE REAR LID UNLOCK MOTOR RIGHT WINDOW MOTOR SECONDARY AIR INJECTION PUMP MOTOR STORAGE COMPARTMENT CENTRAL LOCKING MOTOR WIND DEFLECTOR MOTOR WINDOW MOTOR WINDSHIELD WIPER MOTOR

ANTENNA SPLITTER RADIO ANTENNA RADIO/ TELEPHONE ANTENNA RADIO/ TELEPHONE ANTENNA AMPLIFIER REAR WINDOW DEFOGGER/ WINDOW ANTENNA W/ WINDOW ANTENNA W/O WINDOW ANTENNA WINDSHIELD ANTENNA SUPPRESSION FILTER

ASR/ESP BUTTON BOARD COMPUTER RESET BUTTON EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE HORN BUTTON WINDSHIELD WIPER INTERMITTENT REGULATOR

DATA LINK CONNECTOR

ABS CONTROL MODULE AIR BAG CONTROL MODULE LEFT FRONT POWER WINDOW CONTROL MODULE ALL- WHEEL DRIVE CONTROL MODULE CENTRAL LOCKING CONTROL MODULE COOLANT FAN CONTROL MODULE CRUISE CONTROL SWITCH CLUTCH VACUUM VENT VALVE SWITCH NAVIGATION CONTROL MODULE EMERGENCY FLASHER SWITCH, AIRBAG CONTROL MODULE, CENTRAL LOCKING CONTROL MODULE FRESH AIR BLOWER CONTROL MODULE GARAGE DOOR OPENER CONTROL MODULE HEADLIGHT BEAM ADJUSTING CONTROL MODULE HIGH INTENSITY GAS DISCHARGE LAMP CONTROL MODULE LAMP CONTROL MODULE LAMP CONTROL MODULE A/C CONTROL HEAD LEFT FRONT POWER WINDOW CONTROL MODULE MOTRONIC ENGINE CONTROL MODULE MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY MOTRONIC ENGINE CONTROL MODULE, ABS CONTROL MODULE NAVIGATION CONTROL MODULE NAVIGTION CONTROL MODULE OPERATING ELECTRONICS, TELEPHONE CONTROL MODULE PASSENGER DOOR LOCK ASSEMBLY, RIGHT FRONT POWER WINDOW CONTROL MODULE REMOTE REAR LID UNLOCK SWITCH CENTRAL LOCKING CONTROL MODULE RIGHT FRONT POWER WINDOW CONTROL MODULE SECONDARY AIR INJECTION PUMP MOTOR, ABS CONTROL MODULE THROTTLE VALVE CONTROL MODULE TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE, MULTI-FUNCTION RANGE SWITCH WIND DEFLECTOR CONTROL MODULE

CONTROL UNIT) NAVIGATION CONTROL UNIT STEERING WHEEL CONTROL UNIT

FUSE 1 FUSE 2 FUSE 3 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE 10 FUSE 11 FUSE 11 FUSE 5 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 16 FUSE 44 FUSE 18 FUSE 19 FUSE 19 FUSE 17 FUSE 19 FUSE 18 FUSE 20 FUSE 21 FUSE 22 FUSE 23 FUSE 24 FUSE 25 FUSE 26 FUSE 27 FUSE 28 FUSE 29 FUSE 31 FUSE 32 FUSE 34 FUSE 36 FUSE 37 FUSE 38 FUSE 39 FUSE 40 FUSE 41 FUSE 42 FUSE 43 FUSE 44 FUSE 79 FUSE 131 FUSE 132 FUSE 133 FUSE 134 FUSE 138 FUSE 162 FUSE 162 FUSE 163 FUSE 163 FUSE 164 FUSE FUSE FUSE PANEL FUSE PANEL FUSE 7 FUSE PANEL FUSE 28 SAFETY FUSE 1

HEADLIGHT WASHER PUMP LEFT FRONT HEADLIGHT/ PARK LIGHT ASSEMBLY LEFT HEADLIGHT/ PARKLIGHT ASSEMBLY PARK RIGHT FRONT HEADLIGHT/ PARK LIGHT ASSEMBLY RIGHT HEADLIGHT/ PARKLIGHT ASSEMBLY PARK W/ HEADLIGHT WASHER

DRIVER'S BACKREST HEATING ELEMENT DRIVER'S SEAT HEATING ELEMENT DRIVER'S SEAT SIDE BOLSTER HEATER PASSENGER'S BACKREST HEATING ELEMENT PASSENGER'S SEAT HEATING ELEMENT PASSENGER'S SEAT SIDE BOLSTER HEATER POSITIVE CRANKCASE VENTILATION HEATING ELEMENT

ASR/ESP CONTROL INDICATOR FOGLIGHT INDICATOR INSTRUMENT CLUSTER ABS WARNING INDICATOR MALFUNCTION INDICATOR LAMP OPEN TRUNK IND MIL INDICATOR REAR FOGLIGHT INDICATOR

ELECTRONIC POWER CONTROL WARNING LAMP HID LAMP HOT WITH LIGHTS ON INTERIOR LIGHTS SYSTEM POWER TOPS SYSTEM INTERIOR LIGHTS SYSTEM POWER TOPS SYSTEM ANTI-THEFT SYSTEM LICENSE PLATE LIGHTS POWER WINDOWS SYSTEM INTERIOR LIGHTS SYSTEM POWER WINDOWS SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM W/ HIGH INTENSITY GAS DISCHARGE LIGHTS

ABS HYD PUMP AFTER-RUN COOLANT PUMP BRAKE SYSTEM VACUUM PUMP HALDEX CLUTCH PUMP WINDSHIELD WASHER PUMP

BACK-UP LIGHT RELAY BRAKE BOOSTER RELAY CONVERTIBLE TOP HYDRAULIC PUMP RELAY CONVERTIBLE TOP HYDRAULIC PUMP/PUMP RELAY DUAL HORN RELAY FOG LIGHT RELAY FOG LIGHT RELAY, GLOVE COMPT LIGHT FUEL PUMP RELAY HOT W/ LOAD REDUCTION RELAY ENERGIZED HOT W/LOAD REDUCTION RELAY ENERGIZED HYDRAULIC PUMP RELAY FUSE LOAD REDUCTION RELAY REAR WINDOW DEFOGGER RELAY SECONDARY AIR INJECTION PUMP RELAY STARTING INTERLOCK RELAY WIPER/ WASHER INTERMITTENT RELAY WIPER/WASHER INTERMITTENT RELAY

A/C HIGH PRESSURE SENSOR BRAKE LIGHT DISABLE RELAY STEERING ANGLE SENSOR BRAKE PRESSURE SENSOR 2 CAMSHAFT POSITION SENSOR CAMSHAFT POSITION SENSOR 2 CHARGE AIR PRESSURE SENSOR DRIVER'S SIDE SIDE AIR BAG CRASH SENSOR DRIVERS HEATED SEAT TEMPER- ATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR ESP SENSOR UNIT FLUID TEMPERATURE SENSOR FUEL LEVEL SENSOR HIGH PRESSURE SENSOR HYD TEMP SENSOR HYDRAULIC TEMPERATURE SENSOR LEFT FRONT BRAKE PAD WEAR SENSOR OIL LEVEL THERMAL SENSOR OUTSIDE AIR TEMPERATURE SENSOR PASSENGER'S SIDE SIDE AIR BAG CRASH SENSOR PASSENGERS HEATED SEAT TEMPER- ATURE SENSOR POWER STEERING SENSOR SPEEDOMETER VEHICLE SPEED SENSOR STEERING ANGLE SENSOR STEERING ANGLE SENSOR INSTRUMENT CLUSTER TRANSMISSION SPEED SENSOR TRANSVERSE ACCELERATION SENSOR VEHICLE SPEED SENSOR HYDRAULIC PRESSURE SENDERS

LEFT FRONT BASS/TREBLE SPEAKER LEFT REAR BASS SPEAKER LEFT REAR SPEAKER RIGHT FRONT BASS/TREBLE SPEAKER RIGHT REAR BASS SPEAKER RIGHT REAR BASS/ TREBLE SPEAKER RIGHT REAR SPEAKER

ASR/ESP SWITCH BACK-UP LIGHT SWITCH BOARD COMPUTER FUNCTION SELECTOR SWITCH BRAKE FLUID LEVEL WARNING SWITCH BRAKE LIGHT SWITCH CONTACT SWITCH CONVERTIBLE TOP COVER DETECTOR SWITCH CONVERTIBLE TOP COVER DETECTOR SWITCH 2 CONVERTIBLE TOP FRONT LOCK SWITCH CONVERTIBLE TOP LATCH OPEN POSITION SWITCH CONVERTIBLE TOP OPEN POSITION SWITCH CONVERTIBLE TOP OPERATION SWITCH CONVERTIBLE TOP SWITCH COOLANT FAN CONTROL THERMAL SWITCH CRUISE CONTROL SWITCH DRIVER SIDE INTERIOR LOCK SWITCH FRONT INTERIOR LIGHT DRIVER'S DOOR CONTACT SWITCH DRIVER'S DOOR LOCK ASSEMBLY DOOR CONTACT SWITCH DRIVER'S SEAT BELT SWITCH DRIVER'S SIDE INTERIOR LOCK SWITCH EMERGENCY FLASHER SWITCH FOG LIGHT SWITCH HEADLIGHT SWITCH LIGHT FOG LIGHT SWITCH OFF FOGLIGHT SWITCH LIGHT FUNCTION SELECTOR SWITCH 2 HARDTOP DETECTOR SWITCH HEAD LIGHT SWITCH HEADLIGHT DIMMER/ FLASHER SWITCH HEADLIGHT SWITCH LIGHT HIGH PRESS SWITCH 1 HIGH PRESS SWITCH 2 HOT W/LIGHT SWITCH IN PARK OR HEAD POSITION IGNITION SWITCH IGNITION/ STARTER SWITCH INSTRUMENT PANEL LIGHT DIMMER SWITCH KEY SWITCH KEY-IN IGNITION SWITCH LEFT FRONT WINDOW SWITCH LEFT MAKE-UP MIRROR LIGHT SWITCH LEFT MAKE-UP MIRROR LIGHT, SWITCH RIGHT MAKE-UP MIRROR LIGHT LEFT SWITCH LEFT SWITCH PACK LIGHT SWITCH LIGHT SWITCH/ FOGLIGHT SWITCH MECHATRONIC DIRECT SWITCH GEARBOX MIRROR ADJUSTER SWITCH BRAKE PEDAL SWITCH MIRROR ADJUSTMENT SWITCH MULTI-FUNCTION TRANSMISSION RANGE SWITCH MULTI-FUNCTION TRANSMISSION RANGE SWITCH TIPTRONIC SWITCH OFF LIGHT SWITCH HEAD PASSENGER AIR BAG OFF KEY SWITCH PASSENGER COMPARTMENT MONITORING SWITCH PASSENGER SIDE AIR BAG KEY SWITCH PASSENGER'S COMPARTMENT MONITORING SWITCH PASSENGER'S DOOR LOCK ASSEMBLY DOOR CONTACT SWITCH REAR WINDOW DEFOGGER SWITCH REMOTE FUEL TANK DOOR SWITCH REMOTE REAR LID UNLOCK SWITCH RIGHT FRONT WINDOW SWITCH RIGHT MAKE-UP MIRROR LIGHT SWITCH RIGHT SWITCH RIGHT SWITCH PACK STEERING WHEEL TIPTRONIC SWITCH TIPTRONIC SWITCH TRUNK LID CENTRAL LOCKING SWITCH TURN SIGNAL SWITCH W/ TIPTRONIC SWITCH WASHER FLUID LEVEL WARNING SWITCH WASHER SWITCH WIND DEFLECTOR SWITCH WINDSHIELD WIPER/WASHER SWITCH

CAMSHAFT ADJUSTMENT VALVE 1 EVAPORATIVE EMISSION CANISTER PURGE VALVE EXHAUST FLAP VALVE INTAKE CHANGE- OVER VALVE LEAK DETECTION PUMP EXHAUST FLAP VALVE PILOT VALVE 1 PILOT VALVE 2 SECONDARY AIR INJECTION SOLENOID VALVE SHIFT LOCK SOLENOID SOLENOID VALVES TRANSMISSION VALVE BODY TURBOCHARGE RECIRCULATING VALVE

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/VIO WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

1.8L 2 5 CAN-H CAN-L 3.2L 3.2L 1.8L 4 PIN 6 PIN 2002 EARLY PRODUCTION 2003, 2004, 2002 LATE PRODUCTION 2002 EARLY PRODUCTION 2003, 2004, 2005, 2002 LATE PRODUCTION (BEHIND DASH, LEFT OF STEERING (OR A/C CLUTCH A/C CONTROL HEAD A/C SYSTEM A/C, SOUND SYSTEMS AIR BAG ABS WARNING MIL AIR BAG SUPPRESSOR AIR CONDITIONING SYSTEM ANTI-THEFT IMOBILIZER IND PARK LIGHT IND ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM POWER WINDOWS SYSTEM ASHTRAY LIGHT ASR/ ESP IND HIGH BEAM IND AUTO CHECK SYSTEM BACK- UP LIGHT BRAKE BOOSTER SENDER 1 BRAKE PAD WEAR IND SEAT BELT IND BREAKER 43 CAN-L CAN-H CATALYST MONITORING WARN CHARGING CIRCUIT CIGARETTE LIGHTER CIGARETTE LIGHTER LIGHT COLUMN) COMBINATION PROCESSOR COMBINATION PROCESSOR GEN IND COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP LOCKED IND. COOLANT FAN COOLANT FAN 2 COOLANT FUEL RESERVE WARN LEVEL/ TEMP WARN COOLING FANS SYSTEM CRUISE CONTROL SYSTEM DEFOGGER SYSTEM DIGITAL CLOCK DIRECT SHIFT GEARBOX DOOR LOCKS SYSTEM DOOR ON DRIVER'S HEATED SEAT ADJUSTER DRIVER'S SIDE AIR BAG IGNITER DRIVER'S SIDE HEATED OUTSIDE MIRROR DRIVER'S SIDE MIRROR DRIVER'S SIDE SIDE AIR BAG IGNITER EXCEPT 2005 2005 FOG LIGHT FRESH AIR BLOWER FRONT CENTER LOUDSPEAKER FRONT INTERIOR LIGHT FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL INJECTORS GARAGE DOOR OPENER CONTROL HEAD GLOVE COMPARTMENT LIGHT HARD TOP SOFT TOP HEAD OFF HEAD OFF PARK HEAD PARK PARK HEADLAMPS LEVELING CIRCUIT HEADLIGHTS SYSTEM HEATED REAR WINDOW HEATED REAR WINDOW HEATED REAR WINDOW HEATED SEAT ADJUSTERS HIGH BEAM HIGH BEAM IND HIGH MOUNT BRAKE LIGHT HOT AT ALL TIMES HOT AT ALL TIMES OFF HOT IN HOT IN ON OR START HOT IN RUN OR START HOT IN START OR RUN HOT W/ HIGH BEAMS ON HOT WITH KEY IN IGNITION IGNITION COILS IGNITION GROUND BRAKE SW PARK BRK DIAG ILLUM DOOR ILLUMINATION FOR SELECTOR LEVER SCALE INSIDE CENTER LOUDSPEAKER INSIDE MICROPHONE INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INSTRUMENT ILLUMINATION CIRCUIT LEFT DOOR WARNING LIGHT LEFT FRONT ABS INLET LEFT FRONT ABS OUTLET LEFT FRONT BASS/TREBLE SPEAKERS LEFT FRONT READING LIGHT LEFT FRONT TURN SIGNAL LIGHT LEFT MAKE-UP MIRROR LIGHT LEFT REAR ABS INLET LEFT REAR ABS OUTLET LEFT SIDE TURN SIGNAL LIGHT RIGHT SIDE TURN SIGNAL LIGHT LEFT TAILLAMP ASSEMBLY LEFT TAILLIGHT ASSEMBLY BACK- UP LIGHT LEFT TURN IND LEFT TURN IND RIGHT TURN IND LOW BEAM MECHATRONIC DIRECT SHIFT GEARBOX MICRO CENTRAL ELECTRIC MICRO CENTRAL ELECTRIC PANEL MIRROR POSITION MIRROR SELECT OFF HEAD HEAD PARK PARK OFF HEAD PARK OFF ON OFF PARK OIL PRESS WARN ANTI- THEFT WARN ON DOOR OUTSIDE AIR TEMPERATURE DISPLAY PARK BRAKE GEN WARN PASSENGER SIDE AIR BAG OFF WARNING LIGHT PASSENGER'S AIR BAG "OFF" WARNING LIGHT PASSENGER'S HEATED SEAT ADJUSTER PASSENGER'S HEATED SEAT ADJUSTER DRIVER'S HEATED SEAT ADJUSTER PASSENGER'S SEAT BELT TENSIONER IGNITER 1 DRIVER'S SEAT BELT TENSIONER IGNITER 1 PASSENGER'S SIDE AIR BAG IGNITER 1 PASSENGER'S SIDE HEATED OUTSIDE MIRROR PASSENGER'S SIDE MIRROR PASSENGER'S SIDE SIDE AIR BAG IGNITER POWER TOPS SYSTEM POWER TOPS/INSTRUMENT CLUSTER SYSTEMS POWER WINDOW CIRCUIT POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM ANTI-THEFT SYSTEM POWER WINDOWS SYSTEM POWER TOPS SYSTEM REAR CENTER LOUDSPEAKER REMOTE REAR LID UNLOCK RIGHT DOOR WARNING LIGHT RIGHT FRONT ABS INLET RIGHT FRONT ABS OUTLET RIGHT FRONT BASS/TREBLE SPEAKERS RIGHT FRONT MAP/ READING LIGHT RIGHT FRONT TURN SIGNAL LIGHT RIGHT REAR ABS INLET RIGHT REAR ABS OUTLET RIGHT TAILLAMP ASSEMBLY RIGHT TAILLIGHT ASSEMBLY RIGHT TURN IND ROADSTER ONLY ROTATION RATE SENDER SOLID STATE SOUND SYSTEM SPEEDOMETER ECT GAUGE STARTING SYSTEM STEERING WHEEL SWITCHES STOP TAIL SUPPLEMENTAL RESTRAINTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM DOOR LOCKS SYSTEM SUPPRESOR FILTER SUPPRESSION FILTER SUPPRESSOR FILTER TACHOMETER FUEL GAUGE TAIL STOP TO SPARK PLUGS TRACTION CONTROL IND BRAKE FLUID LEVEL W/ A/T W/ DIRECT SHIFT A/T W/ DIRECT SHIFT GEARBOX W/ NAV W/ NAVIGATION W/ TELEPHONE W/ TELEPHONE OR TELEPHONE PREP W/O DIRECT SHIFT A/T W/O DIRECT SHIFT A/T M/T W/O DIRECT SHIFT GEARBOX W/O NAV W/O TELEPHONE W/O TIPTRONIC WARNING BUZZER WIPER/ WASHER SYSTEM