All Wiring Diagrams for Audi TT 2002

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Audi TT 2002

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Audi TT 2002:

• (3.2l)
• (left front of engine compt, under battery) g12
• (not used)
• (roadster)
• 16a
• 25a
• 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 side of dash, left of hvac housing)
• Central locking control module (forward of left rear fenderwell, behind panel)
• Convertible top front lock switch
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (dlc)
• 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)
• G42 (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)
• Wind deflector control module (cabrio)

Automatic A/C Wiring Diagram (2 of 2) for Audi TT 2002

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Audi TT 2002:

• 3.2l 1.8l
• A/c clutch
• After-run coolant pump
• Coolant fan
• Coolant fan 2
• Coolant fan control (fc) control module (left front corner of engine compt)
• 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
• G12 (left side of engine compt, under battery tray)
• G44 (on lower part of left "a" pillar)
• Hot at all times
• Main fuse box (attached to top of battery)
• 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, MK20 System for Audi TT 2002

List of elements for Anti-lock Brakes Wiring Diagram, MK20 System for Audi TT 2002:

• (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
• 13a
• 15a
• Abs hyd pump
• Abs warning indicator
• All-wheel drive control module (on rear differential)
• Asr/esp control indicator
• Asr/esp switch
• Awd
• Brake booster
• Brake booster sender 1
• Brake pressure sensor 2
• Brakelight disable relay (in 13-fold relay panel, left side of dash)
• Brakelight switch (above brake pedal)
• Combination processor
• Data link connector
• Exterior lights system
• Fuse 10a
• Fuse 30a
• Fuse 5a
• Fuse bracket (on top of battery)
• Fuse panel (behind left end of dash)
• Fwd
• G12 (left side of engine compt, under battery tray)
• G42
• 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 front wheel speed sensor (behind wheel)
• 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-lock Brakes Wiring Diagram, MK60 System for Audi TT 2002

List of elements for Anti-lock Brakes Wiring Diagram, MK60 System for Audi TT 2002:

• (behind wheel) right front wheel speed sensor
• (behind wheel) right rear wheel speed sensor
• (left of steering column) g42
• (left rear corner of engine compt) abs control module
• 13a
• 15a
• Abs hyd pump
• Abs warning indicator
• All-wheel drive control module (on rear differential)
• Asr/esp control indicator
• Asr/esp switch
• Awd w/ amu eng
• Awd w/ atc eng
• Brake booster sender 1
• Brake pedal switch (above brake pedal)
• Brake pressure sensor 2
• Combination processor
• Data link connector
• Esp sensor unit
• Exterior lights system
• Fuse 10a
• Fuse 30a
• Fuse 5a
• Fuse panel (behind left end of dash)
• Fwd
• G12 (left front of engine compt, under battery tray)
• 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 front wheel speed sensor (behind wheel)
• Left rear abs inlet
• Left rear abs outlet
• Left rear wheel speed sensor (behind wheel)
• Longitudinal acceleration sensor (w/ awd)
• Main fuse box (on top of battery, left side of engine compt)
• Motronic engine control module (center of plenum, between firewall & windshield)
• Pilot valve 1
• Pilot valve 2
• Red
• Right front abs inlet
• Right front abs outlet
• Right rear abs inlet
• Right rear abs outlet
• Rotation rate sender
• Steering angle sensor
• Suppressor filter
• T16
• T32
• T32a
• T3e
• Transverse acceleration sensor

ANTI-THEFT

Anti-theft Wiring Diagram, Coupe (1 of 2) for Audi TT 2002

List of elements for Anti-theft Wiring Diagram, Coupe (1 of 2) for Audi TT 2002:

• 10a
• 14a
• 2002 early production
• 2003, 2004, 2005, 2002 late production
• 37a
• 38a
• Alarm horn (center of plenum)
• 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)
• G42 (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 2002

List of elements for Anti-theft Wiring Diagram, Coupe (2 of 2) for Audi TT 2002:

• (2005)
• (except 2005)
• 15a
• 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 5a
• Fuse panel (on left end of dash)
• G204 (left of steering column)
• G42 (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 2002

List of elements for Anti-theft Wiring Diagram, Roadster (1 of 2) for Audi TT 2002:

• (top front of engine) g15
• 10a
• 14a
• 2002 early production
• 2003, 2004, 2002 late production
• 37a
• 38a
• Alarm horn (center of plenum)
• 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)
• G42 (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 2002

List of elements for Anti-theft Wiring Diagram, Roadster (2 of 2) for Audi TT 2002:

• 15a
• Data link connector
• Driver's side interior lock switch
• Fuse 5a
• Fuse panel (on left end of dash)
• G42 (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 (in center console, under parking brake lever recess)

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Audi TT 2002

List of elements for Computer Data Lines Wiring Diagram for Audi TT 2002:

• (left of steering column) g42
• 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
• Fuse 10a
• Fuse 7.5a
• Fuse panel (on left end of dash)
• Headlight beam adjusting control module
• Hot at all times
• Hot in run or start
• Instrument cluster
• Mk20
• Mk60
• Motronic engine control module
• Navigtion control module
• Radar interior monitoring control module (roadster)
• Radio
• Steering angle sensor
• T32a
• T32b
• T6ap
• T8d
• T8n
• Tk6

COOLING FAN

Cooling Fan Wiring Diagram for Audi TT 2002

List of elements for Cooling Fan Wiring Diagram for Audi TT 2002:

• (1.8l)
• (3.2l)
• (not used)
• 16a
• 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 panel (on left end of dash)
• G12 (left side of engine compt, under battery tray)
• High pressure sensor
• Hot at all times
• Hot in run or start
• Instrument cluster
• Main fuse box (attached to top of battery)
• Nca
• Red
• Solid state
• T14b
• T32
• T3e
• T4f

CRUISE CONTROL

Cruise Control Wiring Diagram for Audi TT 2002

List of elements for Cruise Control Wiring Diagram for Audi TT 2002:

• 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 2002

List of elements for Defoggers Wiring Diagram, Coupe for Audi TT 2002:

• 26a
• 75x
• Driver's side heated outside mirror
• Fuse 10a
• Fuse 20a
• Fuse panel (on left end of dash)
• G42 (left of steering column)
• G50 (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's 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 2002

List of elements for Defoggers Wiring Diagram, Roadster for Audi TT 2002:

• 13-fold relay panel (beneath left side of dash)
• 26a
• 75x
• Convertible top open position switch
• Driver's side heated outside mirror
• Fuse 10a
• Fuse 20a
• Fuse panel (on left end of dash)
• G42 (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's 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 2002

List of elements for 1.8L, Engine Performance Wiring Diagram (1 of 3) for Audi TT 2002:

• (left of eng compt) g12
• (pins 15-20 not used)
• (pins 20 & 23-24 not used)
• A/c 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)
• Computer data lines system
• Cruise control system
• Exhaust temperature sensor (w/ amu eng only)
• Fuse 10a
• Fuse 50a
• Fuse 7.5a
• Fuse panel
• G12 (left side of eng compt)
• G12 (left side of engine compt)
• 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
• 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 (engine code atc, awp) (on power steering pump, on front of eng)
• Red
• Secondary air injection (air) pump relay
• Secondary air injection pump motor (lower left side of eng, below intake manifold)
• W-box (in engine compartment)

1.8L, Engine Performance Wiring Diagram (2 of 3) for Audi TT 2002

List of elements for 1.8L, Engine Performance Wiring Diagram (2 of 3) for Audi TT 2002:

• (from 11/01)
• (front of cylinder head, behind timing belt cover) camshaft position (cmp) sensor 2
• (left front of eng compt)
• (left side of eng, below intake manifold) secondary air injection (air) solenoid valve
• (mil)
• (on transmission) speedometer vehicle speed sensor
• Charge air pressure sensor
• Computer data lines system
• 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 15a
• Fuse panel
• G12
• Hot at all times
• Hot in start or run
• 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
• T32/28
• T32/3
• T32a/18
• T32a/19
• T32a/28
• 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 2002

List of elements for 1.8L, Engine Performance Wiring Diagram (3 of 3) for Audi TT 2002:

• (on steering column) g42
• 87f
• Camshaft adjustment valve 1 (atc, awd eng only)
• Cruise control system
• 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 20a
• Fuse panel
• G12 (left front of eng compt)
• G15 (on cylinder head)
• Hot at all times
• Ignition coils
• 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 2002

List of elements for Back-up Lamps Wiring Diagram for Audi TT 2002:

• Back-up light
• Back-up light switch (on top of transmission, near starter motor)
• Fuse 10a
• Fuse panel (behind left end of dash)
• G50 (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 2002

List of elements for Exterior Lamps Wiring Diagram, with DRL, with Driver Information Center for Audi TT 2002:

• (left side of lugagge compt) g50
• 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 switch
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse 7.5a
• Fuse panel (left end of dash)
• Fuse panel (on left end of dash)
• G12 (left front of eng compt, under battery tray)
• G42 (left of steering column)
• G50 (left side of luggage compt)
• Head
• Head- lights system
• 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
• W/ mk20 abs
• W/ mk60 abs

Exterior Lamps Wiring Diagram, with DRL, without Driver Information Center for Audi TT 2002

List of elements for Exterior Lamps Wiring Diagram, with DRL, without Driver Information Center for Audi TT 2002:

• 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 switch
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse panel (left end of dash)
• Fuse panel (on left end of dash)
• G12 (left front of eng compt, under battery tray)
• G42 (left of steering column)
• G50 (left side of lugagge compt)
• G50 (left side of luggage compt)
• Head
• Head- lights system
• 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
• W/ mk20 abs
• W/ mk60 abs

Exterior Lamps Wiring Diagram, without DRL, with Driver Information Center for Audi TT 2002

List of elements for Exterior Lamps Wiring Diagram, without DRL, with Driver Information Center for Audi TT 2002:

• (left side of lugagge compt) g50
• (not used)
• 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 switch
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse 7.5a
• Fuse panel (left end of dash)
• Fuse panel (on left end of dash)
• G12 (left front of eng compt, under battery tray)
• G42 (left of steering column)
• G50 (left side of luggage compt)
• Head
• Head- lights system
• 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
• Turn signal switch
• W/ high intensity gas discharge lights
• W/ mk20 abs
• W/ mk60 abs

Exterior Lamps Wiring Diagram, without DRL, without Driver Information Center for Audi TT 2002

List of elements for Exterior Lamps Wiring Diagram, without DRL, without Driver Information Center for Audi TT 2002:

• (not used)
• 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 switch
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse panel (left end of dash)
• Fuse panel (on left end of dash)
• G12 (left front of eng compt, under battery tray)
• G42 (left of steering column)
• G50 (left side of lugagge compt)
• G50 (left side of luggage compt)
• Head
• Head- lights system
• 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
• Turn signal switch
• W/ high intensity gas discharge lights
• W/ mk20 abs
• W/ mk60 abs

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 2) for Audi TT 2002

List of elements for Ground Distribution Wiring Diagram (1 of 2) for Audi TT 2002:

• 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
• G12 (left front of eng compt, under battery tray)
• G15 (top front of engine)
• G2 (rear of engine)
• G44 (lower left "a" pillar)
• G50 (left side of luggage compartment)
• G52 (on left side of rear lid)
• Ignition coil 1, ignition coil 2, ignition coil 3, ignition coil 4
• Left taillight assembly, right taillight assembly, blocking diode, 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, high mount brake 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, exhaust temperature sensor (w/ amu eng only)
• Rear window defogger/antenna (coupe)
• Secondary air injection solenoid pump motor, abs control module
• Speedometer vehicle speed sensor, oil level thermal sensor, ignition coil 1, ignition coil 2, ignition coil 3, ignition coil 4

Ground Distribution Wiring Diagram (2 of 2) for Audi TT 2002

List of elements for Ground Distribution Wiring Diagram (2 of 2) for Audi TT 2002:

• 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)
• Amplifier (w/ bose), radio/amplifier shield (w/ bose) radio (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 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, converter top open position switch, garage door opener control module, garage door opener control head
• 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
• G42 (left of steering column)
• G43 (lower right "a" pillar)
• G45 (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, outside air temp display, left front seatbelt microswitch, windshield washer pump, clutch pedal position switch, headlight washer pump, a/c control head, steering angle sensor, asr/esp button, passenger's seat belt switch
• Micro central electric panel, horn button, fuel pump, parking brake warning light 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, cigarette lighter light
• Mirror adjustment switch, driver door lock assembly, left front power window control module
• Operating electronics & telephone control module (w/ telephone prep)
• Passenger door lock assembly, right front power window control module
• Radio, rear woofer/ amplifier (coupe, w/o bose), antenna (roadster), center rear woofer/ampilfier (roadster w/o bose)
• Rear lid unlock motor, trunk lid central locking switch, central locking control module
• Telephone transceiver (w/ telephone)

HEADLIGHTS

Headlamps Wiring Diagram, with DRL for Audi TT 2002

List of elements for Headlamps Wiring Diagram, with DRL for Audi TT 2002:

• (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)
• G12 (left front of engine compt, under battery tray)
• G42 (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 2002

List of elements for Headlamps Wiring Diagram, with High Intensity Gas Discharge Headlights for Audi TT 2002:

• (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)
• G12 (left front of engine compt, under battery tray)
• G42 (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 for Audi TT 2002

List of elements for Headlamps Wiring Diagram, without DRL, without High Intensity Gas Discharge Headlights for Audi TT 2002:

• (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)
• G12 (left front of engine compt, under battery tray)
• G42 (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 2002

List of elements for Headlamps Leveling Wiring Diagram, with High Intensity Gas Discharge Headlights for Audi TT 2002:

• 11a
• Data link connector
• Fuse 5a
• Fuse panel (left end of dash)
• G42 (left side of steering column)
• Headlight beam adjusting control module (coupe: beneath left side of rear seat) (roadster: behind rear trim panel, in luggage compt)
• Headlights system (headlamps circuit)
• Hot in run or start
• Instrument cluster system
• Left front level control system sensor (left front wheelwell, attached to lower control arm)
• Left headlight beam adjusting motor
• Left rear level control system sensor (awd: left rear wheelwell, attached to lower control arm) (fwd: left side of rear axle beam)
• Right headlight beam adjusting motor

HORN

Horn Wiring Diagram for Audi TT 2002

List of elements for Horn Wiring Diagram for Audi TT 2002:

• 30ah
• 40a
• 87h
• Dual horn relay
• Fuse 20a
• Fuse panel (on left end of dash)
• G12 (left front of engine compt, under battery tray)
• G42 (left of steering column)
• High tone horn
• Horn button
• Hot at all times
• Ignition switch
• Lock
• Low tone horn
• Micro central electric panel (beneath left side of dash)
• Run
• Start
• Steering wheel switches
• W/ tiptronic switch
• W/o tiptronic

INSTRUMENT CLUSTER

Auto Check System Wiring Diagram for Audi TT 2002

List of elements for Auto Check System Wiring Diagram for Audi TT 2002:

• (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 2
• Fuse 5 7.5a
• Fuse panel
• G42 (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
• T6k
• Washer fluid level warning switch

Instrument Cluster Wiring Diagram (1 of 2) for Audi TT 2002

List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Audi TT 2002:

• (left of steering column)
• 11a
• 15a
• 18a
• Abs warning
• Air bag mil
• Anti- theft warn
• Anti-theft immobilization induction coil
• Anti-theft imobilizer ind
• Asr/ esp ind
• Brake fluid level
• Brake fluid level warning switch
• Brake pad wear ind
• Catalyst monitoring warn
• Combination processor
• Computer data lines system
• Convertible top locked ind
• Coolant level/ temp warn
• Digital clock
• Driver's seat belt switch
• Ect gauge
• Electronic power control warning lamp
• Engine coolant level warning switch (integral w/ coolant reservoir)
• Exterior lights system
• Fuel gauge
• Fuel reserve warn
• Function selector switch 2
• Fuse 10a
• Fuse 5a
• Fuse panel (on left end of dash)
• G12 (left front of engine compartment)
• G42
• G42 (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 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)
• Suppression filter
• T32
• T32a
• Tachometer
• Traction control ind
• Warning buzzer
• Washer fluid level warning switch

Instrument Cluster Wiring Diagram (2 of 2) for Audi TT 2002

List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Audi TT 2002:

• (mk20)
• (mk60)
• 10a
• 37a
• 86s
• A/c control head
• A/c system
• 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 (if equipped)
• Asr/esp switch
• B13
• Central locking control module (forward of left rear fenderwell)
• Coolant fan control module
• Early production
• Engine coolant temperature sensor
• Fuel level sensor
• Fuse 10a
• Fuse panel (on left end of dash)
• G12 (left front of engine compartment)
• Generator
• Headlight beam ajusting control module
• Hot at all times
• Ignition switch
• Key switch
• Late production
• Motronic engine control module (center of plenum)
• Navigation control module
• Oil level thermal sensor
• Operating electronics & telephone control module (w/ telephone prep)
• Outside air temperature sensor (behind center of lower front grille)
• T14b
• T8d
• T8n
• Turn signal switch
• Wiper/ washer intermittent relay (on micro central electric panel)

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Audi TT 2002

List of elements for Courtesy Lamps Wiring Diagram for Audi TT 2002:

• 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)
• G42 (left of steering column)
• G50 (left side of luggage compt)
• 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 2002

List of elements for Instrument Illumination Wiring Diagram for Audi TT 2002:

• 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 2
• Fuse 5a
• Fuse panel (on left end of dash)
• G42 (left of steering column)
• G42 (left side of steering column)
• G43 (lower left "a" pillar)
• G45 (behind left center of dash)
• G50 (left side of luggage compartment)
• Garage door opener control head
• 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
• Operating electronics & telephone control module (w/ telephone preparation)
• Park
• Passenger air bag off key switch
• Passenger compartment monitoring switch
• 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 2002

List of elements for Navigation Wiring Diagram for Audi TT 2002:

• (on left end of dash)
• (w/ telephone prep)
• (w/ telephone)
• 12a
• Auto check system
• Back-up light switch
• Combination processor
• Data link connector
• Function selector switch 2
• Fuse 12 7.5a
• Fuse 5 7.5a
• Fuse 7 10a
• Fuse panel
• G42 (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/ telephone) operating electronics & telephone control module (w/ telephone prep)

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Audi TT 2002

List of elements for Power Distribution Wiring Diagram (1 of 3) for Audi TT 2002:

• (early)
• (late)
• (mk20)
• (mk60)
• 10a
• 13-fold relay panel (beneath left side of dash)
• 16a
• 237a
• 44a
• 75x
• A68
• A81
• A98
• Abs control module
• B110
• B138
• B156
• 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
• D78
• 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 15a (early prod)
• Fuse 20a
• Fuse 20a (late prod)
• 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
• G42 (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)
• Micro central electric panel (beneath 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)
• W-box (in engine compartment)
• W/ headlight washer
• Wiper/ washer intermittent relay

Power Distribution Wiring Diagram (2 of 3) for Audi TT 2002

List of elements for Power Distribution Wiring Diagram (2 of 3) for Audi TT 2002:

• (early prod)
• (late prod)
• (mk20)
• (mk60)
• 10a
• 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
• A104
• A139
• A21
• Abs control module
• Air bag control module
• All wheel drive control module
• Asr/esp button
• B135
• B149
• B157
• Back-up light switch
• Brake light disable relay
• Brake- light switch
• 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 10a (early prod)
• Fuse 10a (late prod)
• Fuse 15a
• Fuse 5a
• Fuse 7.5a
• Fuse panel (behind left end of dash)
• Garage door opener control head
• Garage door opener control module
• 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
• Operating electronics & telephone control module
• Passenger's air bag "off" warning light
• Passenger's heated seat adjuster
• Red
• Right front power window control module
• Right headlight adjusting motor
• Run
• Speedometer vehicle speed sensor
• Start
• Starting interlock relay
• Steering angle sensor
• T14b
• T32
• T8d
• T8n
• Telephone transceiver
• W/ telephone
• W/ telephone preparation

Power Distribution Wiring Diagram (3 of 3) for Audi TT 2002

List of elements for Power Distribution Wiring Diagram (3 of 3) for Audi TT 2002:

• 12a
• 13a
• 14a
• 15a
• 24a
• 25a
• 26a
• 27a
• 30ah
• 38a
• 39a
• 40a
• 41a
• 42a
• A/c control head
• A46
• A50
• A80
• A96
• Amplifier (bose)
• Anti-theft warning ultra-sound sensor (coupe)
• B111
• Brake- light switch
• C14
• Center rear woofer/ amplifier (w/o bose) (roadster)
• 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)
• G42 (left of steering column)
• Instrument cluster
• Interior lights system
• L59
• Left door warning light
• Left rear woofer/ amplifier (w/o bose) (coupe)
• Micro central electric panel (beneath left side of dash)
• Navigation control module
• Operating electronics & telephone control module (w/ telephone preparation)
• Passenger compartment monitoring switch
• Radar radar interior interior monitoring monitoring control control module module (roadster) (roadster)
• Radio
• Rear window defogger switch
• Red
• Remote rear lid unlock switch
• Right door warning light
• Steering angle sensor
• T32
• T8n
• Telephone transceiver (w/ telephone)
• 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 2002

List of elements for Power Door Locks Wiring Diagram, Coupe (1 of 2) for Audi TT 2002:

• 10a
• 14a
• 2002 early production
• 2003, 2004, 2005, 2002 late production
• 37a
• 38a
• Antenna
• Anti-theft system
• Capacitor
• 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)
• G42 (left of steering column)
• G50 (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 2002

List of elements for Power Door Locks Wiring Diagram, Coupe (2 of 2) for Audi TT 2002:

• (2005) (except 2005)
• Driver's side interior lock switch
• Except 2005
• G42 (left of steering column)
• G50 (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 2002

List of elements for Power Door Locks Wiring Diagram, Roadster (1 of 2) for Audi TT 2002:

• 10a
• 14a
• 2002 early production
• 2003, 2004, 2005, 2002 late production
• 37a
• 38a
• Antenna
• Anti-theft system
• Capacitor
• 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)
• G42 (left of steering column)
• G50 (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 2002

List of elements for Power Door Locks Wiring Diagram, Roadster (2 of 2) for Audi TT 2002:

• (2005) (except 2005)
• Cd changer compartment central locking motor
• Driver's side interior lock switch
• Except 2005
• G42 (left of steering column)
• G50 (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 2002

List of elements for Power Mirrors Wiring Diagram for Audi TT 2002:

• Defogger system
• Driver's side mirror
• Fuse 5 7.5a
• Fuse panel (on left end of dash)
• G42 (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 2002

List of elements for Heated Seats Wiring Diagram for Audi TT 2002:

• 44a
• 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)
• G42 (left of steering column)
• Hot at all times
• 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 2002

List of elements for Convertible Top Wiring Diagram for Audi TT 2002:

• 27a
• A/c & sound systems
• Blocking diode
• Central locking control module (forward of of plenum, left rear fenderwell, behind panel)
• Convertible top cover detector switch
• Convertible top cover detector 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)
• G42 (left of steering column)
• G50 (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
• Wind deflector switch

POWER WINDOWS

Power Windows Wiring Diagram for Audi TT 2002

List of elements for Power Windows Wiring Diagram for Audi TT 2002:

• All times
• Central locking control module (forward of left rear fenderwell)
• Driver's door lock assembly (door contact switch)
• G42 (left of steering column)
• Hot at
• Ignition switch
• 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
• Start
• Window motor

RADIO

Radio Wiring Diagram, Coupe with Bose System (1 of 2) for Audi TT 2002

List of elements for Radio Wiring Diagram, Coupe with Bose System (1 of 2) for Audi TT 2002:

• (behind left center of dash)
• (behind left center of dash) g45
• (left side of luggage compt) g50
• (w/ telephone prep)
• (w/ telephone)
• (w/o navigation)
• 42a
• Anti-theft system
• Anti-theft system (central locking control module)
• Auto check system
• Combination processor
• Data link connector
• Fuse relay panel (on left end of dash)
• G42 (left side of steering column)
• G45
• Hot at all times
• Instrument cluster
• Navigation control module (if equipped)
• Navigation only
• Nca
• Radio
• Radio/ telephone antenna amplifier
• Rear window defogger switch
• Rear window defogger/ window antenna
• Red
• T10k
• T32
• T32a
• T32b
• T6h
• T6k
• T8c
• T8m
• Telephone transceiver (w/ telephone) operating eletronics & telephone control module (w/ telephone prep)
• W/ auto check system
• W/ nav
• W/o nav
• Windshield antenna suppression filter

Radio Wiring Diagram, Coupe with Bose System (2 of 2) for Audi TT 2002

List of elements for Radio Wiring Diagram, Coupe with Bose System (2 of 2) for Audi TT 2002:

• (if equipped) cd changer unit
• Amplifier
• G45 (behind left center of dash)
• Inside center loudspeaker
• Left front bass/ treble speakers
• Left rear bass speaker
• Nca
• Red
• Right front bass/ treble speakers
• Right rear bass speaker

Radio Wiring Diagram, Coupe without Bose System for Audi TT 2002

List of elements for Radio Wiring Diagram, Coupe without Bose System for Audi TT 2002:

• (behind left center of dash)
• (behind left center of dash) g45
• (left side of luggage compt) g50
• (w/ telephone prep)
• (w/ telephone)
• 42a
• Anti-theft system (central locking control module)
• Auto check system
• Cd changer unit (if equipped)
• Combination processor
• Data link connector
• Fuse relay panel (on left end of dash)
• G42 (left side of steering column)
• G45
• Hot at all times
• Instrument cluster
• Left front bass/treble speaker
• Left rear woofer/ amplifer
• Navigation control module (if equipped)
• Navigation only
• Nca
• Radio
• Radio/ telephone antenna amplifier
• Rear window defogger switch
• Rear window defogger/ window antenna
• Red
• Right front bass/treble speaker
• Right rear bass/ treble speaker
• T10k
• T28b
• T32
• T32a
• T6h
• T6k
• T8a
• T8c
• T8m
• Telephone transceiver (w/ telephone) operating electronics & telephone control module (w/ telephone prep)
• W/ auto check system
• Windshield antenna suppression filter

Radio Wiring Diagram, Roadster with Bose System (1 of 2) for Audi TT 2002

List of elements for Radio Wiring Diagram, Roadster with Bose System (1 of 2) for Audi TT 2002:

• (behind left center of dash)
• (behind left center of dash) g45
• (w/ telephone prep)
• (w/ telephone)
• (w/o navigation)
• 42a
• Antenna splitter
• Anti-theft system
• Anti-theft system (central locking control module)
• Auto check system
• Combination processor
• Data link connector
• Fuse relay panel (on left end of dash)
• G42 (left side of steering column)
• G45
• Hot at all times
• Instrument cluster
• Navigation control module (if equipped)
• Navigation only
• Nca
• Radio
• Radio antenna
• Radio/ telephone antenna
• Red
• T10k
• T32
• T32a
• T32b
• T6h
• T6k
• T8c
• T8m
• Telephone transceiver
• Telephone transceiver (w/ telephone) operating eletronics & telephone control module (w/ telephone prep)
• W/ auto check system
• W/ nav
• W/ phone & telephone prep
• W/o nav
• W/o telephone

Radio Wiring Diagram, Roadster with Bose System (2 of 2) for Audi TT 2002

List of elements for Radio Wiring Diagram, Roadster with Bose System (2 of 2) for Audi TT 2002:

• (if equipped) cd changer unit
• Amplifier
• Front center loudspeaker
• G45 (behind left center of dash)
• Left front woofer/ tweeter speakers
• Left rear woofer speaker
• Nca
• Rear center loudspeaker
• Red
• Right front woofer/ tweeter speakers
• Right rear woofer speaker

Radio Wiring Diagram, Roadster without Bose System for Audi TT 2002

List of elements for Radio Wiring Diagram, Roadster without Bose System for Audi TT 2002:

• (behind left center of dash)
• (behind left center of dash) g45
• (w/ telephone prep)
• (w/ telephone)
• 42a
• Antenna splitter
• Anti-theft system (central locking control module)
• Auto check system
• Cd changer unit (if equipped)
• Center rear woofer/ amplifer
• Combination processor
• Data link connector
• Fuse relay panel (on left end of dash)
• G42 (left side of steering column)
• G45
• Hot at all times
• Instrument cluster
• Left front bass/treble speaker
• Left rear speaker
• Navigation control module (if equipped)
• Navigation only
• Nca
• Radio
• Radio antenna
• Radio/ telephone antenna
• Red
• Right front bass/treble speaker
• Right rear speaker
• T10k
• T28b
• T32
• T32a
• T6h
• T6k
• T8a
• T8c
• T8m
• Telephone transceiver (w/ telephone) operating electronics & telephone control module (w/ telephone prep)
• W/ auto check system
• W/ telephone or telephone prep
• W/o telephone

STARTING/CHARGING

Charging Wiring Diagram for Audi TT 2002

List of elements for Charging Wiring Diagram for Audi TT 2002:

• 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)
• G2 (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 2002

List of elements for Starting Wiring Diagram for Audi TT 2002:

• (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)
• G2 (rear of engine)
• G42 (left of steering column)
• Ignition switch
• Off
• Red
• Start
• Starter
• Starting interlock relay

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram for Audi TT 2002

List of elements for Supplemental Restraints Wiring Diagram for Audi TT 2002:

• (on lower right "a" pillar) g43
• (on steering column) g42
• Air bag control module (beneath center of dash, near accelerator pedal)
• Air bag malfunction indicator lamp (mil)
• Air bag spiral spring/ return spring w/ slip ring
• Air bag suppressor
• Central locking control module (forward of left rear fenderwall, behind panel)
• Computer data lines system
• Data link connector (dlc) (partial) (below driver's side storage compartment)
• Driver's seat belt tensioner igniter 1
• Driver's side air bag igniter
• Driver's side side air bag crash sensor (below left front seat, under carpet)
• Driver's side side air bag igniter
• Emergency flasher switch
• Hot at all times
• Ignition starter/ switch
• Instrument cluster
• Interior lights system
• Motronic engine control module (in center of plenum, between firewall & windshield base)
• 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
• Off
• Passenger side air bag key switch
• Passenger side air bag off warning light
• Passenger's seat belt tensioner igniter 1
• Passenger's side air bag igniter 1
• Passenger's side side air bag crash sensor (beneath right front seat, under carpet)
• Passenger's side side air bag igniter
• Right seat belt switch
• Run
• Solid state
• Start
• T32
• T32a

TRANSMISSION

4WD Wiring Diagram for Audi TT 2002

List of elements for 4WD Wiring Diagram for Audi TT 2002:

• (left side of luggage compt) g50
• 13a
• 31a
• Awd drive control module (center rear of vehicle, on haldex coupling)
• 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

Wiper/Washer Wiring Diagram for Audi TT 2002

List of elements for Wiper/Washer Wiring Diagram for Audi TT 2002:

• (not used)
• 24a
• 30a
• 75x
• Defogger system (heated mirrors circuit)
• Except 2005
• Fuse 10a
• Fuse 20a
• Fuse panel (on left end of dash)
• G12 (left front of engine compt, under battery tray)
• G42 (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