Diagram sections — 26 (51 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS NAVIGATION POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 2) for Audi TT Quattro 2001 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Audi TT Quattro 2001: 56 (not used) A/c control head A10 A11 A12 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 Back pressure flap motor position sensor (behind right end of dash, on hvac housing) C10 C11 C12 C13 C14 C15 C16 Central flap motor position sensor (beneath right side of dash, on left side of hvac housing) D10 D11 D12 D13 D14 D15 D16 Data link connector (dlc) (partial) (below left side of steering column) Footwell/defrost flap motor position sensor (behind right side of dash, on left side of hvac housing) Fresh air intake duct temperature sensor (in hvac intake duct, on right side of engine compartment) Fuse 10a Fuse 25a Fuse 5a Fuse 7.5a Fuse panel (on left end of dash) G111 (left front of engine compt, under battery) G204 (left of steering column) High pressure sensor Hot at all times Hot in run or start Hot w/light switch in park or head position Hot w/load reduction relay energized Instrument cluster Interior lights system Motronic engine control module (ecm) (in center of plenum, between firewall & windshield base) Outlet temperature floor outlet sensor (behind left center of dash, on hvac housing) Outside air temperature display Solid state T32 T32a Temperature regulator flap motor position sensor (beneath right side of dash, on lower left side of hvac housing) Automatic A/C Wiring Diagram (2 of 2) for Audi TT Quattro 2001 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Audi TT Quattro 2001: 24 (left side of engine compartment, under battery tray) g111 (not used) 132 kw engine, code atc 165 kw engine, code amu A/c clutch After-run coolant pump Coolant fan Coolant fan 2 Coolant fan control (fc) control module (in lower left front corner of engine compartment) Coolant fan control (fc) thermal switch (on bottom left corner of radiator) Fresh air blower (behind right end of dash, on hvac housing) Fresh air blower control module (behind right end of dash, on hvac housing) Fuse 30a Fuse bracket (on top of battery, left side of engine compt) G111 (left side of engine compt, under battery tray) G900 (on lower part of left "a" pillar) Hot at all times Nca Outside air temperature sensor (behind center of lower front grille) Red Solid state Sunlight photo sensor (on upper center of dash, under defroster grille) T14b T4f
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram, with Electronic Stability Program for Audi TT Quattro 2001 List of elements for Anti-lock Brakes Wiring Diagram, with Electronic Stability Program for Audi TT Quattro 2001: 56 (behind wheel) right front wheel speed sensor (behind wheel) right rear wheel speed sensor (left of steering column) (left rear corner of engine compt) abs control module (under left side of dash) data link connector 13a 15a Abs warning indicator All-wheel drive control module (on rear differential) Asr/esp control indicator Asr/esp switch Awd Brake booster Brake booster sensor Brake pressure sensor Brakelight disable relay (in 13-fold relay panel, left side of dash) Brakelight switch (above brake pedal) Combination processor Exterior lights system Fuse 10a Fuse 30a Fuse 5a Fuse bracket (on top of battery) Fuse panel (behind left end of dash) Fwd G111 (left side of engine compt, under battery tray) G204 High press switch 1 High press switch 2 Hot at all times Hot in run or start Instrument cluster Interior lights system Left front abs inlet Left front abs outlet Left rear abs inlet Left rear abs outlet Left rear wheel speed sensor (behind wheel) Longitudinal acceleration sensor (w/ awd) (behind right side of dash) Motronic engine control module (center of plenum, between firewall & windshield) Pilot valve 1 Pilot valve 2 Red Release switch Right front abs inlet Right front abs outlet Right rear abs inlet Right rear abs outlet Rotation rate sensor Solenoid valve Steering angle sensor T16 T32 T32a T3e Transverse accel- eration sensor
ANTI-THEFT Anti-theft Wiring Diagram, Coupe (1 of 2) for Audi TT Quattro 2001 List of elements for Anti-theft Wiring Diagram, Coupe (1 of 2) for Audi TT Quattro 2001: 26 (in center of plenum, between windshield & firewall) 14a 37a 38a Alarm horn Antenna Central locking control module (forward of left rear fenderwell, behind panel) Door locks system Driver's door lock assembly Exterior lights system Fuse 10a Fuse 15a Fuse 5a Fuse panel (on left end of dash) G204 (left of steering column) Hood alarm switch (on hood latch mechanism) Hot at all times Hot in run or start Hot with key in ignition Instrument cluster system Interior lights system Nca Power windows system Radio Shield Starting system Anti-theft Wiring Diagram, Coupe (2 of 2) for Audi TT Quattro 2001 List of elements for Anti-theft Wiring Diagram, Coupe (2 of 2) for Audi TT Quattro 2001: 12 42a Anti-theft warning ultra-sound sensor (at front center of roof, inside courtesy light housing) Data link connector Driver's side interior lock switch Fuse 20a Fuse panel (on left end of dash) G204 (left of steering column) Hot at all times Interior lights system Passenger's compartment monitoring switch Passenger's door lock assembly Power windows system Anti-theft Wiring Diagram, Roadster (1 of 2) for Audi TT Quattro 2001 List of elements for Anti-theft Wiring Diagram, Roadster (1 of 2) for Audi TT Quattro 2001: 28 14a 37a 38a Alarm horn (in center of plenum, between windshield & firewall) Antenna Central locking control module (forward of left rear fenderwell, behind panel) Door locks system Driver's door lock assembly Exterior lights system Fuse 10a Fuse 15a Fuse 5a Fuse panel (on left end of dash) G204 (left of steering column) Hardtop detector switch Hood alarm switch (on hood latch mechanism) Hot at all times Hot in run or start Hot with key in ignition Instrument cluster system Interior lights system Nca Power tops system Power tops/instrument cluster systems Power windows system Radio Shield Starting system Anti-theft Wiring Diagram, Roadster (2 of 2) for Audi TT Quattro 2001 List of elements for Anti-theft Wiring Diagram, Roadster (2 of 2) for Audi TT Quattro 2001: 12 42a Data link connector Driver's side interior lock switch Fuse 20a Fuse panel (on left end of dash) G204 (left of steering column) Hot at all times Interior lights system Passenger's compartment monitoring switch Passenger's door lock assembly Power windows system Radar interior monitoring control module (at front center of roof, inside courtesy light housing)
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Audi TT Quattro 2001 List of elements for Computer Data Lines Wiring Diagram for Audi TT Quattro 2001: 24 (left of steering column) g204 12a A/c control head Abs control module (left rear corner of engine compartment) Air bag control module (beneath center of dash) All wheel drive control module (on rear of differential) Anti-theft warning ultra sound sensor (coupe) Central locking control module (forward of left rear fenderwell, behind panel) Data link connector (below left of steering column) Fuse 10a Fuse 7.5a Fuse panel (on left end of dash) Headlight beam adjusting control module (beneath left side of rear seat) Hot at all times Hot in run or start Instrument cluster Motronic engine control module Navigtion control module Radar interior monitoring control module (roadster) Radio Steering angle sensor T32a T8d T8n
COOLING FAN Cooling Fan Wiring Diagram for Audi TT Quattro 2001 List of elements for Cooling Fan Wiring Diagram for Audi TT Quattro 2001: 27 (not used) 132 kw engine, code atc 165 kw engine, code amu A/c clutch A/c control head A11 After-run coolant pump Coolant fan Coolant fan 2 Coolant fan control (fc) control module (in lower left front corner of engine compartment) Coolant fan control (fc) thermal switch (on bottom left corner of radiator) Fuse 10a Fuse 30a Fuse 7.5a Fuse bracket (above battery) Fuse panel (on left end of dash) G111 (left side of engine compt, under battery tray) High pressure sensor Hot at all times Hot in run or start Instrument cluster Nca Red Solid state T14b T32 T4f
CRUISE CONTROL Cruise Control Wiring Diagram for Audi TT Quattro 2001 List of elements for Cruise Control Wiring Diagram for Audi TT Quattro 2001: 10 Brake- light switch (above brake pedal, on bracket) Clutch vacuum vent valve switch (above clutch pedal, on bracket) Cruise control switch Fuse 7.5a Fuse panel (on left end of dash) Hot in run or start Motronic engine control module (in center of plenum, between firewall and windshield base) Nca Throttle position sensor/ accelerator pedal position sensor 2 (above accelerator pedal) Throttle valve control module (on throttle body, left front of eng)
DEFOGGERS Defoggers Wiring Diagram, Coupe for Audi TT Quattro 2001 List of elements for Defoggers Wiring Diagram, Coupe for Audi TT Quattro 2001: 23 26a 75x Driver side heated outside mirror Fuse 10a Fuse 20a Fuse panel (on left end of dash) G204 (left of steering column) G400 (left side of luggage compartment) Heated rear window Hot at all times Hot in run Interior lights system Load reduction relay Micro central electric panel (beneath left side of dash) Passenger side heated outside mirror Rear window defogger switch Rear window defogger/ window antenna Solid state Sound system W/ window antenna W/o window antenna Windshield antenna suppression filter Wiper/ washer system Defoggers Wiring Diagram, Roadster for Audi TT Quattro 2001 List of elements for Defoggers Wiring Diagram, Roadster for Audi TT Quattro 2001: 27 13-fold relay panel (beneath left side of dash) 26a 75x Convertible top open position switch Driver side heated outside mirror Fuse 10a Fuse 20a Fuse panel (on left end of dash) G204 (left of steering column) Hard top Heated rear window Hot at all times Hot in run Ignition switch Interior lights system Load reduction relay Micro central electric panel (beneath left side of dash) Off Passenger side heated outside mirror Power tops system Rear window defogger relay Rear window defogger switch Run Soft top Solid state Start Wiper/ washer system
ENGINE PERFORMANCE
1.8L 1.8L, Engine Performance Wiring Diagram (1 of 3) for Audi TT Quattro 2001 List of elements for 1.8L, Engine Performance Wiring Diagram (1 of 3) for Audi TT Quattro 2001: 31 (amu engine) (i/p w/o can-bus) (left front of eng compt, under battery tray) g111 (near brake master cylinder, in protective housing) secondary air injection (air) pump relay (pins 15-20 not used) (pins 20 & 23-24 not used) A/c system Abs system, transmissions system, Accelerator pedal position sender 2/ throttle position (tp) sensor (above accelerator pedal) Brake- light switch (above brake pedal, on bracket) Charging system Clutch vacuum vent valve switch (above clutch pedal, on bracket) Cruise control system Exhaust temperature sensor (w/ amu eng only) Fuse 10a Fuse 15a Fuse 50a Fuse 7.5a Fuse panel G111 (left front of eng compt, under battery tray) Heated oxygen sensor 1 (on exhaust system, upstream of twc) Heated oxygen sensor 2 (on exhaust system, downstream of twc) Hot at all times Hot in start or run Main fuse box/ battery Mass airflow (maf) sensor (on air cleaner housing) Motronic engine control module (in center plenum, between firewall & base of windshield) Nca Power steering pressure switch (on power steering pump, on front of eng) Red Secondary air injection pump motor (lower left side of eng, below intake manifold) 1.8L, Engine Performance Wiring Diagram (2 of 3) for Audi TT Quattro 2001 List of elements for 1.8L, Engine Performance Wiring Diagram (2 of 3) for Audi TT Quattro 2001: 30 (below right headlamp, on intercooler outlet flange) manifold absolute pressure sensor (front of cylinder head, behind timing belt cover) camshaft position (cmp) sensor 2 (left side of eng, below intake manifold) secondary air injection (air) solenoid valve (mil) Engine coolant temperature (ect) sensor (rear of cylinder, on coolant outlet) Engine speed (rpm) sensor (left side of cylinder block, next to oil filter) Evaporative emission (evap) canister purge regulator valve (next to coolant reservoir, on right side of eng compt) Fuse 10a Fuse panel Hot at all times Ignition switch Instrument cluster Intake air temperature sensor (on intake manifold, near throttle body) Knock sensor (ks) 1 (left front of cylinder block) Knock sensor (ks) 2 (left rear of cylinder block) Leak detection pump (ldp) (inside right front wheelwell) Malfunction indicator lamp Nca Off Run Start T32/11 T32/13 T32/25 T32/3 T32/6 T32a/14 T32a/5 Turbocharge recirculating valve Wastegate bypass regulator valve (left rear corner of eng compt, on intake duct) 1.8L, Engine Performance Wiring Diagram (3 of 3) for Audi TT Quattro 2001 List of elements for 1.8L, Engine Performance Wiring Diagram (3 of 3) for Audi TT Quattro 2001: 22 (left of steering column, on pedal support) g204 87f Camshaft adjustment valve 1 (atc eng only) Cruise control system Distributor ignition coil capacitor Driver's door contact switch Emergency flasher switch, airbag control module & central locking control module Fuel injectors Fuel pump (in fuel tank) Fuel pump relay Fuse 10a Fuse 15a Fuse panel G111 (left front of eng compt, under battery tray) G132 (on eng block) Hot at all times Micro central electric panel Motronic engine control module (in center plenum, between firewall & base of windshield) Nca Tank ventilation valve Throttle valve control module (on throttle body, on left front of eng) To spark plugs
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Audi TT Quattro 2001 List of elements for Back-up Lamps Wiring Diagram for Audi TT Quattro 2001: 9 Back-up light Back-up light switch (on top of transmission, near starter motor) Fuse 10a Fuse panel (behind left end of dash) G400 (left side of luggage compt) Hot in run or start Left tailight assembly Navigation control module Right tailight assembly Exterior Lamps Wiring Diagram, with DRL, with Driver Information Center for Audi TT Quattro 2001 List of elements for Exterior Lamps Wiring Diagram, with DRL, with Driver Information Center for Audi TT Quattro 2001: 57 (left side of lugagge compt) g400 13-fold relay panel (beneath left side of dash) 13a 22a 23a 39a Abs control module (left rear of engine compt) Airbag control module, central locking control module, motronic engine control module Anti-theft system Auto- check system Brake light disable relay (on 13-fold relay panel) Brakelight switch (on brake pedal support bracket) Cluster Combination processor Emergency flasher relay Fuse 10a Fuse 15a Fuse 5a Fuse 7.5a Fuse panel (left end of dash) Fuse panel (on left end of dash) G111 (left front of eng compt, under battery tray) G204 (left of steering column) G400 (left side of luggage compt) Head Headlights system High- mount brake light Hot at all times Hot in run or start Hot w/ load reduction relay energized Instrument Instrument cluster Interior lights system Lamp control module Left front turn signal light Left headlight/ parklight assembly Left side turn signal light Left taillamp assembly Left turn ind License plate Light switch Lights Off Park Red Right front turn signal light Right headlight/ parklight assembly Right side turn signal light Right taillamp assembly Right turn ind Signal switch Stop T32 T32a T32b Tail Turn Exterior Lamps Wiring Diagram, with DRL, without Driver Information Center for Audi TT Quattro 2001 List of elements for Exterior Lamps Wiring Diagram, with DRL, without Driver Information Center for Audi TT Quattro 2001: 48 13a 22a 23a 39a Abs control module (left rear of engine compt) Airbag control module, central locking control module, motronic engine control module Anti-theft system Brake light disable relay (on 13-fold relay panel) Brakelight switch (on brake pedal support bracket) Combination processor Emergency flasher relay Fuse 10a Fuse 15a Fuse 5a Fuse panel (left end of dash) Fuse panel (on left end of dash) G111 (left front of eng compt, under battery tray) G204 (left of steering column) G400 (left side of lugagge compt) G400 (left side of luggage compt) Head High- mount brake light Hot at all times Hot in run or start Hot w/ load reduction relay energized Instrument cluster Interior lights system Left front turn signal light Left headlight/ parklight assembly Left side turn signal light Left taillamp assembly Left turn ind License plate Light switch Lights Off Park Right front turn signal light Right headlight/ parklight assembly Right side turn signal light Right taillamp assembly Right turn ind Signal switch Stop T32 T32a Tail Turn Exterior Lamps Wiring Diagram, without DRL, with Driver Information Center for Audi TT Quattro 2001 List of elements for Exterior Lamps Wiring Diagram, without DRL, with Driver Information Center for Audi TT Quattro 2001: 61 (left side of lugagge compt) g400 13-fold relay panel (beneath left side of dash) 13a 22a 23a 39a Abs control module (left rear of engine compt) Airbag control module, central locking control module, motronic engine control module Anti-theft system Auto- check system Brake light disable relay (on 13-fold relay panel) Brakelight switch (on brake pedal support bracket) Cluster Combination processor Emergency flasher relay Fuse 10a Fuse 15a Fuse 5a Fuse 7.5a Fuse panel (left end of dash) Fuse panel (on left end of dash) G111 (left front of eng compt, under battery tray) G204 (left of steering column) G400 (left side of luggage compt) Head Headlights system High- mount brake light Hot at all times Hot in run or start Hot w/ load reduction relay energized Instrument Instrument cluster Interior lights system Lamp control module Left front turn signal light Left headlight/ parklight assembly Left side turn signal light Left taillamp assembly Left turn ind License plate Light switch Lights Lock Off Park Red Right front turn signal light Right headlight/ parklight assembly Right side turn signal light Right taillamp assembly Right turn ind Signal switch Start Stop T32 T32a T32b Tail Turn Turn signal switch W/ high intensity gas discharge lights Exterior Lamps Wiring Diagram, without DRL, without Driver Information Center for Audi TT Quattro 2001 List of elements for Exterior Lamps Wiring Diagram, without DRL, without Driver Information Center for Audi TT Quattro 2001: 52 13a 22a 23a 39a Abs control module (left rear of engine compt) Airbag control module, central locking control module, motronic engine control module Anti-theft system Brake light disable relay (on 13-fold relay panel) Brakelight switch (on brake pedal support bracket) Combination processor Emergency flasher relay Fuse 10a Fuse 15a Fuse 5a Fuse panel (left end of dash) Fuse panel (on left end of dash) G111 (left front of eng compt, under battery tray) G204 (left of steering column) G400 (left side of lugagge compt) G400 (left side of luggage compt) Head High- mount brake light Hot at all times Hot in run or start Hot w/ load reduction relay energized Instrument cluster Interior lights system Left front turn signal light Left headlight/ parklight assembly Left side turn signal light Left taillamp assembly Left turn ind License plate Light switch Lights Lock Off Park Right front turn signal light Right headlight/ parklight assembly Right side turn signal light Right taillamp assembly Right turn ind Signal switch Start Stop T32 T32a Tail Turn Turn signal switch W/ high intensity gas discharge lights
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Audi TT Quattro 2001 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Audi TT Quattro 2001: 21 Battery Convertible top hydraulic pump relay Coolant fan, coolant fan 2, coolant fan control (cf) control module, after run coolant pump, a/c clutch, a/c high pressure sensor Fresh air blower control module G111 (left front of eng compt, under battery tray) G115 (rear of engine) G134 (top front of engine) G400 (left side of luggage compartment) G406 (on right side of rear lid) G900 (lower left "a" pillar) Hardtop detector switch Ignition coil, ignition coil 2, ignition coil 3, ignition coil 4 Instrument cluster combination processor, fuel level sensor, engine coolant level warning switch, headlight adjuster, engine coolant temperature sensor, windshield washer fluid level warning switch, function selector switch 2, instrument panel light dimmer switch Left taillight assembly, right taillight assembly, high mount brake light, all wheel drive control module, remote fuel tank door switch, fuel tank lid unlock motor, rear lid unlock motor, luggage compartment light License plate lights, heated rear window, left luggage compartment light Low tone horn. high tone horn, brake fluid level warning switch, left side turn signal light, left front turn signal light, right side turn signal light, right front turn signal light, left front headlight assembly, right front headlight assembly, windshield wiper motor, left washer nozzle heater, right washer nozzle heater Motronic engine control module Outside air temperature switch, outside air temperature sensor Radio, secondary air injection solenoid pump motor, abs control module Rear window defogger/antenna Speedometer vehicle speed sensor, oil level thermal sensor, ignition coil, ignition coil 2, ignition coil 3, ignition coil 4, distributor ignition capacitor Ground Distribution Wiring Diagram (2 of 2) for Audi TT Quattro 2001 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Audi TT Quattro 2001: 16 Air bag control module, side air bag igniter (left), side air bag igniter (right), side air bag crash sensor (left), side air bag crash sensor (right), passenger side air bag off key switch Amplifier (w/ bose), radio/amplifier shield (w/ bose) Anti-theft warning ultra- sound sensor (coupe), radar interior monitoring control switch (roadster), alarm horn, hood alarm switch, remote rear lid unlock switch, driver side interior lock switch, passenger compartment monitoring switch, convertible top front lock switch, convertible top latch open position switch, convertible top cover detector switch, convertible top cover detector switch 2, convertible top operation switch, lamp control module, board computer function selector switch, navigation control module, wind deflector switch, wind deflector control module, interior monitoring control module Driver's heated seat adjuster, driver's heated seat temperature sensor, driver's backrest heating element, driver's seat side bolster heater, passenger's heated seat adjuster, passenger's heated seat temperature sensor, passenger's backrest heating element, passenger's seat side bolster heater Front interior light, left make-up mirror light switch, right make-up mirror light switch G204 (left of steering column) G206 (behind left center of dash) Headlight adjuster, left headlight adjusting motor, right headlight adjusting motor, headlight beam adjusting control module Heated rear window (convertible) Instrument cluster, left brake pad wear indicator, driver's seat belt switch, abs control module, left front a-pillar microswitch, windshield washer pump, clutch pedal position switch, headlight washer pump, a/c control head, steering angle sensor, asr/esp button Micro central electric panel, horn button, fuel pump, parking brake warning light switch, foglight switch, emergency flasher switch, windshield wiper intermittent regulator, glove compartment light, rear window defogger switch, cigarette lighter, ashtray light, data link connector, fuel pump relay, driver side heated outside mirror, passenger side heated mirror, wiper/washer intermittent relay Mirror adjustment switch, driver door lock assembly, left front power window control module Passenger door lock assembly, right front power window control module Radio, rear woofer/ amplifier (w/o bose) Rear lid unlock motor, trunk lid central locking switch, central locking control module Telephone transceiver
HEADLIGHTS Headlamps Wiring Diagram, with DRL for Audi TT Quattro 2001 List of elements for Headlamps Wiring Diagram, with DRL for Audi TT Quattro 2001: 46 (beneath left side of dash) 13-fold relay panel 19a 36a Acc Driver inform system Exterior lights system Fog light Fog light relay Fog light switch Foglight ind Foglight switch light From vin y1 010 000 up to vin y1 o1o 000 Front Ftp Fuse 10a Fuse 15a Fuse 5a Fuse panel (on left end of dash) G111 (left front of engine compt, under battery tray) G204 (left side of steering column) Head Head- lights Headlight dimmer/ flasher switch Headlight switch light High beam ind Hot at all times Ignition switch Instrument cluster Interior lights system Lamp control module Left front headlight/ park light assembly Light switch Light switch/ foglight switch Micro central electric panel (beneath left side of dash) Off Park Rear Rear foglight ind Right front headlight/ park light assembly Run Start T32 W/ driver information system W/ driver w/o driver information information system system W/o driver information system W/o w/ driver inform system Headlamps Wiring Diagram, with High Intensity Gas Discharge Headlights for Audi TT Quattro 2001 List of elements for Headlamps Wiring Diagram, with High Intensity Gas Discharge Headlights for Audi TT Quattro 2001: 52 from vin y1 010 000 up to vin y1 o1o 000 (beneath left side of dash) 13-fold relay panel 19a 36a Acc Driver inform system Exterior lights system Fog light Fog light relay Fog light switch Foglight ind Foglight switch light Front Ftp Fuse 10a Fuse 15a Fuse 5a Fuse panel (on left end of dash) G111 (left front of engine compt, under battery tray) G204 (left side of steering column) Head Headlamps leveling circuit Headlight dimmer/ flasher switch Headlight switch light Hid lamp High beam High beam ind High intensity gas discharge lamp control module Hot at all times Ignition switch Instrument cluster Interior lights system Lamp control module Left front headlight/ park light assembly Light switch Light switch/ foglight switch Micro central electric panel (beneath left side of dash) Off Park Rear Rear foglight ind Right front headlight/ park light assembly Run Start T32 W/ driver inform system W/ driver information system W/o driver inform system W/o driver information system W/o w/ driver inform system Headlamps Wiring Diagram, without DRL without High Intensity Gas Discharge Headlights, without DRL, without High Intensity Gas Discharge Headlights for Audi TT Quattro 2001 List of elements for Headlamps Wiring Diagram, without DRL without High Intensity Gas Discharge Headlights, without DRL, without High Intensity Gas Discharge Headlights for Audi TT Quattro 2001: 48 from vin y1 010 000 up to vin y1 o1o 000 (beneath left side of dash) 13-fold relay panel 19a 36a Acc Driver inform system Exterior lights system Fog light Fog light relay Fog light switch Foglight ind Foglight switch light Front Ftp Fuse 10a Fuse 15a Fuse 5a Fuse panel (on left end of dash) G111 (left front of engine compt, under battery tray) G204 (left side of steering column) Head Head- lights Headlight dimmer/ flasher switch Headlight switch light High beam ind Hot at all times Ignition switch Instrument cluster Interior lights system Lamp control module Left front headlight/ park light assembly Light switch Light switch/ foglight switch Micro central electric panel (beneath left side of dash) Off Park Rear Rear foglight ind Right front headlight/ park light assembly Run Start T32 W/ driver information system W/ driver w/o driver information information system system W/o driver information system W/o w/ driver inform system Headlamps Leveling Wiring Diagram, with High Intensity Gas Discharge Headlights for Audi TT Quattro 2001 List of elements for Headlamps Leveling Wiring Diagram, with High Intensity Gas Discharge Headlights for Audi TT Quattro 2001: 15 10a Data link connector From vin y1 010 000 Fuse 11a Fuse panel G204 (left side of steering column) Headlight beam adjusting control module (beneath left side of rear seat) Headlights system (headlamps circuit) Hot in run or start Instrument cluster system Left front level control system sensor (in left front wheelhouse attached to upper control arm) Left headlight beam adjusting motor Left rear level control system sensor (in left rear wheelhouse attached to lower control arm) Right headlight beam adjusting motor Up to vin y1 010 000
HORN Horn Wiring Diagram for Audi TT Quattro 2001 List of elements for Horn Wiring Diagram for Audi TT Quattro 2001: 18 (left front of engine compt, under battery tray) 30ah 40a 87h Dual horn relay Fuse 40 20a Fuse panel (on left end of dash) G111 G204 (left of steering column) High tone horn Horn button Hot at all times Ignition switch Lock Low tone horn Micro central electric panel Run Start
INSTRUMENT CLUSTER Auto Check System Wiring Diagram for Audi TT Quattro 2001 List of elements for Auto Check System Wiring Diagram for Audi TT Quattro 2001: 26 (on left end of dash) Auto check system Board computer function selector switch Board computer reset button Can-h Can-l Combination processor Contact switch Driver's door lock assembly Exterior lights system Function selector switch Fuse 5 7.5a Fuse panel G204 (left side of steering column) Headlights system Hot in start or run Instrument cluster Interior lights system Lamp control module (on 13-fold relay panel) Navigation control module Radio Red T32 T32b T6ap Washer fluid level warning switch Instrument Cluster Wiring Diagram (1 of 2) for Audi TT Quattro 2001 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Audi TT Quattro 2001: 58 (awd) (left of steering column) 11a 15a 18a Abs warning Air bag mil Anti- theft warn Anti-theft imobilizer ind Asr/ esp ind Brake fluid level Brake fluid level warning switch Brake pad wear ind Combination processor Computer data lines system Coolant level/ temp warn Digital clock Ect gauge Electronic power control warning lamp Engine coolant level warning switch (integral w/ coolant reservoir) Exterior lights system Fuel gauge Fuel reserve warn Fuse 10a Fuse 5a Fuse panel (on left end of dash) G111 (left front of engine compartment) G204 G204 (left side of steering column) Gen warn High beam ind Hot at all times Hot in run or start Hot w/ high beams on Instrument cluster Instrument panel light dimmer switch Interior lights system Left front brake pad wear sensor Left seat belt switch Left turn ind Mil indicator Nca Oil press warn Oil pressure switch (left side of engine, on oil filter flange) Open trunk ind Outside air temperature sensor Park brake Park light ind Parking brake warning light switch (base of parking brake lever) Red Right turn ind Seat belt ind Speedometer Speedometer vehicle speed sensor (right side of transmission) T32 T32a Tachometer Warning buzzer Instrument Cluster Wiring Diagram (2 of 2) for Audi TT Quattro 2001 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Audi TT Quattro 2001: 29 23a 86s A/c control head A11 Abs control module (left rear corner of eng compt) Air bag control module (beneath center of dash, near accel pedal) All wheel drive control module Asr/esp switch B13 Central locking control module (forward of left rear fenderwell) Coolant fan control module Engine coolant temperature sensor Fuel level sensor Fuse 10a Fuse panel (on left end of dash) Generator Headlight beam ajusting control module (behind right end of dash) Hot at all times Ignition switch Key switch Motronic engine control module (center of plenum) Navigation control module Radio T10k T14b T8d T8n Turn signal switch Wiper/ washer intermittent relay (on micro central electric panel)
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Audi TT Quattro 2001 List of elements for Courtesy Lamps Wiring Diagram for Audi TT Quattro 2001: 32 14a Central locking control module (foward of left rear fenderwell, behind panel) Door Door contact switch Driver's door lock assembly Front interior light Fuse 10a Fuse 5a Fuse panel (on left end of dash) G204 (left of steering column) Glove compartment light Hot at all times Hot with lights on Illum Instrument cluster Instrument illumination circuit Left door warning light Left front reading light Left make-up mirror light Left make-up mirror light switch Left rear lid luggage compartment light (coupe) Left window motor Luggage compartment light Off Passenger's door lock assembly Right door warning light Right front map/ reading light Right make-up mirror light Right make-up mirror light switch Right window motor T32 Trunk lid central locking switch Instrument Illumination Wiring Diagram for Audi TT Quattro 2001 List of elements for Instrument Illumination Wiring Diagram for Audi TT Quattro 2001: 37 22a 23a A/c control head Ashtray light Asr/esp button Cigarette lighter light Combination processor Convertible top switch Driver side interior lock switch Fog light switch Front interior light Function selector switch Fuse 5a Fuse panel (on left end of dash) G204 (left of steering column) G206 (behind left center of dash) G400 (left side of luggage compartment) Head Headlight switch light Heated seat adjusters Hot at all times Instrument cluster Instrument panel light dimmer switch Light switch Mirror adjustment switch Nca Off Park Passenger air bag off switch Passenger compartment monitoring switch Radio Rear window defogger switch Remote fuel tank door switch Remote rear lid unlock switch T32 T32a Wind deflector switch
NAVIGATION Navigation Wiring Diagram for Audi TT Quattro 2001 List of elements for Navigation Wiring Diagram for Audi TT Quattro 2001: 30 (on left end of dash) 12a Amplifier Auto check system Back-up light switch Combination processor Data link connector (dlc) (partial) (under left side of steering column) Function selector switch Fuse 12 7.5a Fuse 5 7.5a Fuse 7 10a Fuse panel G204 (left of steering column) Hot at all times Hot in run or start Instrument cluster Interior lights system Navigation control module Navigation system antenna Nca Radio T10k T32 T32b T6ap T8m T8n Telephone transceiver W/ bose W/o bose
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for Audi TT Quattro 2001 List of elements for Power Distribution Wiring Diagram (1 of 3) for Audi TT Quattro 2001: 52 10a 13-fold relay panel (beneath left side of dash) 16a 33a 44a 75x Abs control module Battery Circuit breaker 30a Convertible top fuse (attached to micro central electric panel) Convertible top hydraulic pump relay Coolant fan control module Coolant fan control thermal switch Driver's heated seat adjuster Driver's side heated outside mirror Dual horn relay Fuel pump relay Fuse 10a Fuse 110a Fuse 150a Fuse 15a Fuse 20a Fuse 30a Fuse 50a Fuse bracket (on top of battery, on left side of eng compt) Fuse panel (on left end of dash) Fuse s67 30a G204 (left of steering column) Generator Headlight dimmer/ flasher switch Left front power window control module Left washer nozzle heater Light switch Load reduction relay Micro central electric panel (behind left side of dash) Motronic engine control module (ecm) Passenger's heated seat adjuster Passenger's side heated outside mirror Power window circuit breaker (in micro central electric panel) Rear window defogger relay Red Right front power window control module Right washer nozzle heater Roadster only Secondary air injection (air) pump relay Starter T14b T3e T4f To fuse panel (diagram 3 of 3) To ignition switch (diagram 2 of 3) Wiper/ washer intermittent relay Power Distribution Wiring Diagram (2 of 3) for Audi TT Quattro 2001 List of elements for Power Distribution Wiring Diagram (2 of 3) for Audi TT Quattro 2001: 66 (w/ navigation) (w/o navigation) 11a 13-fold relay panel (beneath left side of dash) 29a 31a 37a 50a 50b 86s A/c control head A/c high pressure sensor Abs control module Air bag control module All wheel drive control module Amplifier Asr/esp button Back-up light switch Brake light disable relay Brake vacuum vent valve Central locking control module Clutch vacuum vent valve switch Coolant fan control module Cruise control switch Data link connector Driver's heated seat adjuster Emergency flasher switch From micro central electric panel (diagram 1 of 3) Fuel pump relay Fuse 10a Fuse 15a Fuse 5a Fuse 7.5a Fuse panel (behind left end of dash) Headlight beam adjusting control module Ignition switch Instrument cluster Key-in ignition switch Lamp control module Left front power window control module Left headlight adjusting motor Lock Micro central electric panel (beneath left side of dash) Mirror adjuster switch Motronic engine control module Navigation control module Nca Oil level thermal sensor Park light switch Passenger's air bag "off" warning light Passenger's heated seat adjuster Radio Red Right front power window control module Right headlight adjusting motor Run Speedometer vehicle speed sensor Start Starting interlock relay Steering angle sensor T10k T14b T32 T8d T8n Telephone transceiver Power Distribution Wiring Diagram (3 of 3) for Audi TT Quattro 2001 List of elements for Power Distribution Wiring Diagram (3 of 3) for Audi TT Quattro 2001: 60 12a 13a 14a 15a 24a 25a 26a 27a 30ah 38a 39a 40a 41a 42a A/c control head All wheel drive control module Amplifier (bose) Anti-theft warning ultra-sound sensor (coupe) Brake- light switch C14 Central locking control module Cigarette lighter Data link connector Driver's side interior lock switch Dual horn relay Emergency flasher switch Fresh air blower From micro central electric panel (diagram 1 of 3) Fuse 10a Fuse 15a Fuse 20a Fuse 25a Fuse 30a Fuse 5a Fuse 7.5a Fuse panel (on left end of dash) G204 (left of steering column) Instrument cluster Interior lights system Left door warning light Left rear woofer/ amplifier (w/o bose) Micro central electric panel (beneath left side of dash) Navigation control module Nca Passenger compartment monitoring switch Radar interior monitoring control module (roadster) Radio Rear window defogger switch Red Remote rear lid unlock switch Right door warning light Steering angle sensor T32 T8d T8n Telephone transceiver Wind deflector control module Wind deflector switch Windshield wiper/washer switch Wiper/washer intermittent relay
POWER DOOR LOCKS Power Door Locks Wiring Diagram, Coupe (1 of 2) for Audi TT Quattro 2001 List of elements for Power Door Locks Wiring Diagram, Coupe (1 of 2) for Audi TT Quattro 2001: 26 14a 37a 38a Antenna Anti-theft system Central locking control module (forward of left rear fenderwell, behind panel) Driver's door lock assembly Exterior lights system Fuel tank lid unlock motor Fuse 10a Fuse 15a Fuse 5a Fuse panel (on left end of dash) G204 (left of steering column) G400 (left side of luggage compt) Hot at all times Hot in run or start Hot with key in ignition Instrument cluster system Interior lights system Nca Power windows system Remote rear lid unlock motor Shield Starting system Trunk lid central locking switch Power Door Locks Wiring Diagram, Coupe (2 of 2) for Audi TT Quattro 2001 List of elements for Power Door Locks Wiring Diagram, Coupe (2 of 2) for Audi TT Quattro 2001: 8 Driver's side interior lock switch G204 (left of steering column) G400 (left side of luggage compt) Interior lights system Passenger's door lock assembly Power windows system Remote fuel tank door switch Remote rear lid unlock switch Power Door Locks Wiring Diagram, Roadster (1 of 2) for Audi TT Quattro 2001 List of elements for Power Door Locks Wiring Diagram, Roadster (1 of 2) for Audi TT Quattro 2001: 28 14a 37a 38a Antenna Anti-theft system Central locking control module (forward of left rear fenderwell, behind panel) Driver's door lock assembly Exterior lights system Fuel tank lid unlock motor Fuse 10a Fuse 15a Fuse 5a Fuse panel (on left end of dash) G204 (left of steering column) G400 (left side of luggage compt) Hot at all times Hot in run or start Hot with key in ignition Instrument cluster system Interior lights system Nca Power tops system Power tops/instrument cluster systems Power windows system Remote rear lid unlock Shield Starting system Trunk lid central locking switch Power Door Locks Wiring Diagram, Roadster (2 of 2) for Audi TT Quattro 2001 List of elements for Power Door Locks Wiring Diagram, Roadster (2 of 2) for Audi TT Quattro 2001: 10 Cd changer compartment central locking motor Driver's side interior lock switch G204 (left of steering column) G400 (left side of luggage compt) Interior lights system Passenger's door lock assembly Power windows system Remote fuel tank door switch Remote rear lid unlock switch Storage compartment central locking motor
POWER MIRRORS Power Mirrors Wiring Diagram for Audi TT Quattro 2001 List of elements for Power Mirrors Wiring Diagram for Audi TT Quattro 2001: 11 Defogger system Driver's side mirror Fuse 5 7.5a Fuse panel (on left end of dash) G204 (left of steering column) Hot in run or start Interior lights system Mirror adjustment switch Mirror position Mirror select Passenger's side mirror
POWER SEATS Heated Seats Wiring Diagram for Audi TT Quattro 2001 List of elements for Heated Seats Wiring Diagram for Audi TT Quattro 2001: 21 44a All times Driver's backrest heating element Driver's heated seat adjuster Driver's heated seat temper- ature sensor Driver's seat heating element Driver's seat side bolster heater Fuse 44 15a Fuse 5 7.5a Fuse panel (on left end of dash) G204 (left of steering column) Hot at Hot in run or start Interior lights system Nca Passenger's backrest heating element Passenger's heated seat adjuster Passenger's heated seat temper- ature sensor Passenger's seat heating element Passenger's seat side bolster heater Solid state
POWER TOP/SUNROOF Convertible Top Wiring Diagram for Audi TT Quattro 2001 List of elements for Convertible Top Wiring Diagram for Audi TT Quattro 2001: 24 27a Air conditioning system Blocking diode Central locking control module (forward of of plenum, left rear fenderwell, behind panel) Convertible top cover detection switch Convertible top cover detection switch 2 Convertible top front lock switch Convertible top hydraulic pump/pump relay Convertible top latch open position switch Convertible top open position switch Convertible top operation switch Defogger system Fuse 30a Fuse 5a Fuse panel (on left end of dash) G204 (left of steering column) G400 (left side of luggage compartment) Hot at all times Hot in run or start Hot w/ load reduction relay energized Interior lights system Micro central electric panel (beneath left side of dash) Wind deflector control module Wind deflector motor
POWER WINDOWS Power Windows Wiring Diagram for Audi TT Quattro 2001 List of elements for Power Windows Wiring Diagram for Audi TT Quattro 2001: 18 All times Central locking control module (forward of left rear fenderwell) Driver's door lock assembly (door contact switch) G204 (left of steering column) Hot at Ignition switch start Instrument cluster system Left front power window control module Left front window switch Lock Micro central electric panel (beneath left side of dash) Passenger's door lock assembly (door contact switch) Power window circuit breaker 43 30a Right front power window control module Right front window switch Right front window switch (in right front door) Run Window motor
RADIO Radio Wiring Diagram, with Bose System for Audi TT Quattro 2001 List of elements for Radio Wiring Diagram, with Bose System for Audi TT Quattro 2001: 47 (if equipped) cd changer unit (left side of luggage compt) g400 (under left side of steering column) data link connector 42a Amplifier Antenna splitter Anti-theft system Auto check system Combination processor Coupe Fuse panel (left end of dash) G204 (left side of steering column) G206 (behind left center of dash) Hot at all times Hot in run or start Inside center loudspeaker Instrument cluster Interior lights system Left front woofer/ tweeter speakers Left rear woofer speaker Navigation control module (if equipped) Nca Radio Radio antenna Radio/ telephone antenna Radio/ telephone antenna amplifier Rear window defogger switch Rear window defogger/ window antenna Red Right front woofer/ tweeter speakers Right rear woofer speaker (coupe) Roadster w/ phone Roadster w/o phone T10k T20 T32 T32a T6h T6k T8c T8m Telephone transceiver Telephone transceiver (w/ telephone) W/ auto check system W/ navigation W/o navigation Windshield antenna suppression filter Radio Wiring Diagram, without Bose System for Audi TT Quattro 2001 List of elements for Radio Wiring Diagram, without Bose System for Audi TT Quattro 2001: 47 (behind left center of dash) (left side of luggage compt) g400 (navigation only) (under left side of steering column) data link connector 42a Antenna splitter Anti-theft system Auto check system Cd changer unit (if equipped) Combination processor Coupe Fuse relay panel (on left end of dash) G204 (left side of steering column) G206 Hot at all times Hot in run or start Instrument cluster Interior lights system Left front woofer/tweeter Left rear speaker (roadster) Navigation control module (if equipped) Nca Radio Radio antenna Radio/ telephone antenna Radio/ telephone antenna amplifier Rear window defogger switch Rear window defogger/ window antenna Rear woofer/ amplifer Red Right front woofer/tweeter Right rear speaker Roadster Roadster w/ phone Roadster w/o phone T10k T20 T32 T32a T6h T6k T8a T8c T8m Telephone transceiver W/ auto check system Windshield antenna suppression filter
STARTING/CHARGING Charging Wiring Diagram for Audi TT Quattro 2001 List of elements for Charging Wiring Diagram for Audi TT Quattro 2001: 18 11a Battery Combination processor Fuse 11 5a Fuse 150a Fuse bracket (on top of battery, on left side of eng compt) Fuse panel (left end of dash) G115 (rear of engine) Gen ind Generator Hot at all times Ignition switch Instrument cluster Motronic engine control module (in center of plenum, between firewall, & windshield base) Off Start T32 T32a Starting Wiring Diagram for Audi TT Quattro 2001 List of elements for Starting Wiring Diagram for Audi TT Quattro 2001: 17 (beneath left side of dash) micro central electric panel 13-fold relay panel (beneath left side of dash) 15a 50b Battery Central locking control module (forward of left rear fenderwell, behind panel) Clutch pedal position switch (above clutch pedal, on bracket) Fuse 110a Fuse bracket (on top of battery, on left side of engine compt) G115 (rear of engine) G204 (left of steering column) Ignition switch Off Red Start Starter Starting interlock relay
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Audi TT Quattro 2001 List of elements for Supplemental Restraints Wiring Diagram for Audi TT Quattro 2001: 33 Acc Air bag control module (below center console) Air bag control module (below center of dash, near accel pedal) Air bag malfunction indicator lamp (mil) Air bag spiral spring/ return spring w/ slip ring Central locking control module (behind left rear seat) Data link connector (dlc) (partial) (under left side of steering column) Driver's air bag igniter Driver's side air bag igniter Driver's side side air bag crash sensor (under driver's seat, beneath carpet) Emergency flasher switch G204 (left of steering column) Hot at all times Ignition starter/ switch Instrument cluster Instrument cluster combination processor Left "a" pillar microswitch Left seat belt tensioner igniter Lock Nca Note: shorting bridges on air bag control module close when module connector is disconnected from harness. shorting bridges connect pins: 33 & 34, 37 & 38 & 41 & 42 Passenger side air bag key switch Passenger side air bag off warning light Passenger's air bag igniter 1 Passenger's side air bag igniter Passenger's side side air bag crash sensor (under passenger's seat, beneath carpet) Right "a" pillar microswitch Right seat belt tensioner igniter Run Solid state Start T32 T32a
TRANSMISSION 4WD Wiring Diagram for Audi TT Quattro 2001 List of elements for 4WD Wiring Diagram for Audi TT Quattro 2001: 34 (left side of luggage compt) g50 13a 15a 31a Awd drive control module (center rear of vehicle, on haldex coupling) Battery Brake light switch (on brake pedal support bracket) Brake sw Can-h Can-l Computer data lines system Data link connector (below left side of dash) Diag Exterior lights system Fuse 10a Fuse 5a Fuse panel (left end of dash) G42 (left of steering column) Ground Haldex coupling pump Hot at all times Hot in on or start Hyd temp sensor Hydraulic temperature sensor Ignition Instrument cluster system Nca Oil press motor Oil pressure positioning motor Park brk Parking brake warning light switch (below park brake lever) Pump Red T8d
WIPER/WASHER Front Wiper/Washer & Headlamp Washer Wiring Diagram for Audi TT Quattro 2001 List of elements for Front Wiper/Washer & Headlamp Washer Wiring Diagram for Audi TT Quattro 2001: 28 (not used) 24a 75x Defogger system (heated mirrors circuit) Fuse 10a Fuse 20a Fuse panel (on left end of dash) G111 (left front of eng compt, under battery tray) G204 (left of steering column) Head Headlight washer pump Hot at all times Hot in run Instrument cluster Left washer nozzle heater Light switch Load reduction relay Micro central electric panel (behind left side of dash) Off Park Right washer nozzle heater T32 Washer switch Windshield washer pump Windshield wiper intermittent regulator Windshield wiper motor Windshield wiper/washer switch Wiper/washer intermittent relay
