2005 AUDI TT

Audi TT 2005 - BUZZERS, RELAYS & TIMERS

Audi TT 2005 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
Brake Light Disable Relay	In 13 fold relay panel. See Fig. 14 .
Coolant Circulation Pump Relay	In 13 fold relay panel. See Fig. 14 .
Fog Light Relay	On 13 fold relay panel. See Fig. 14 .
Fuel Pump (FP) Relay	On micro central electric panel. See Fig. 60 .
Horn Relay	On micro central electric panel. See Fig. 60 .
Load Reduction Relay	On micro central electric panel. See Fig. 60 .
Motronic Engine Control Module Power Supply Relay	At left side of engine compartment, behind air cleaner housing. See Fig. 148 .
Rear Window Defogger Relay	In 13 fold relay panel. See Fig. 14 .
Secondary Air Injection (AIR) Pump Relay	At left side of engine compartment, behind air cleaner housing. See Fig. 159 .
Starting Interlock Relay	On 13 fold relay panel. See Fig. 14 .
Wiper Washer Intermittent Relay	On micro central electric panel. See Fig. 60 .

Audi TT 2005 - CIRCUIT PROTECTION DEVICES

Audi TT 2005 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Fuse Panel	Behind left side of dash. See Fig. 65 .
Micro Central Electric Panel And Relay Panel	Behind driver's seat. See Fig. 66 .
Power Window Circuit Breaker	On micro central electric panel. See Fig. 60 .

Audi TT 2005 - CONTROL UNITS

Audi TT 2005 CONTROL UNITS LOCATION

Component	Location
ABS Control Module (W/EDL) (1.8L)	At left side of engine compartment. See Fig. 32 .
ABS Control Module (W/EDL) (3.2L)	Left side of engine compartment. See Fig. 33 .
Air Bag Control Module	Beneath center of dash, on central tunnel. See Fig. 37 .
All Wheel Drive Control Module	Under rear of vehicle. See Fig. 39 .
Central Locking Control Module	Behind left trim panel. See Fig. 63 .
Coolant Fan Control (FC) Module	On left front of engine compartment. See Fig. 81 .
ESP Sensor Unit	Behind left side of dash. See Fig. 99 .
Fresh Air Blower Control Module	Under right side of dash. See Fig. 71 .
Garage Door Opener Control Module	Right side of grille. See Fig. 109 .
Headlight Beam Adjusting Control Module (Coupe)	Behind left trim panel. See Fig. 72 .
Headlight Beam Adjusting Control Module (Roadster)	On bulkhead behind seats. See Fig. 73 .
Headlight Range Control Module	Below rear bench seat. See Fig. 62 .
Lamp Control Module	In 13 fold relay panel. See Fig. 13 .
Left Headed Door Lock Control Module	In driver's door. See Fig. 61 .
Motronic Engine Control Module (ECM)	At base of windshield, in center of plenum. See Fig. 67 .
Radar Interior Monitoring Control Module	In center console. See Fig. 68 .
Throttle Valve Control Module (1.8L)	On throttle body. See Fig. 173 .
Throttle Valve Control Module (3.2L)	On throttle body. See Fig. 174 .
Wind Deflector Control Module (Cabrio)	In 13 fold relay panel. See Fig. 14 .

Audi TT 2005 - MOTORS

Audi TT 2005 MOTORS LOCATION

Component	Location
ABS Hydraulic Pump	Integral to ABS control module. See Fig. 34 .
After-Run Coolant Pump	Front of engine compartment. See Fig. 35 .
Air Flow Flap Motor	Behind Right Side Of Dash. See Fig. 36 .
Central Air Flap Motor	Behind center of dash. See Fig. 55 .
Central Locking System Motor (Driver's)	Rear of driver's door. See Fig. 94 .
Convertible Top Hydraulic Pump	Behind driver's seat. See Fig. 77 .
Convertible Top Hydraulic Pump Relay	Behind driver's seat. See Fig. 78 .
Footwell/Defroster Flap Motor	Behind center of dash. See Fig. 104 .
Fresh Air Blower	Behind right side of dash, on HVAC housing. See Fig. 105 .
Fuel Pump (FP)	In fuel tank. See Fig. 108 .
Headlight Washer Pump	Left front wheel well. See Fig. 120 .
Left Window Motor	In driver's door. See Fig. 140 .
Right Window Motor	In passenger's door. See Fig. 155 .
Secondary Air Injection (AIR) Pump Motor	Right front of engine compartment. See Fig. 158 .
Temperature Regulator Flap Motor	Behind center of dash. See Fig. 168 .
Throttle Drive (Power Accelerator Actuation) (1.8L)	On right side of intake manifold. See Fig. 170 .
Windshield Washer Pump	On washer fluid reservoir. See Fig. 179 .

Audi TT 2005 - SENDING UNITS & SENSORS

Audi TT 2005 SENDING UNITS & SENSORS LOCATION

Component	Location
Accelerator Pedal Position Sender -2	On bulkhead, above accelerator pedal. See Fig. 162 .
Back Pressure Flap Motor Position Sensor	Behind right side of dash. See Fig. 46 .
Camshaft Position (CMP) Sensor -2 (1.8L)	On front of engine. See Fig. 53 .
Camshaft Position (CMP) Sensor (3.2L)	At rear of engine. See Fig. 52 .
Camshaft Position (CMP) Sensor (3.2L)	On rear of engine. See Fig. 54 .
Central Air Flap Position Sensor	Behind center of dash. See Fig. 56 .
Engine Coolant Temperature (ETC) Sensor	At rear of engine. See Fig. 96 .
Engine Speed (RPM) Sensor (1.8L))	On left side of engine block, near transmission flange. See Fig. 98 .
Footwell/Defrost Flap Motor Position Sensor	Behind center of dash. See Fig. 103 .
Fuel Level Sensor	In fuel tank. See Fig. 107 .
Heated Oxygen Sensor (HO2S) (1.8L)	Under center of vehicle. See Fig. 121 .
Heated Oxygen Sensor (HO2S) 2 (3.2L)	Rear of engine compartment. See Fig. 123 .
Heated Oxygen Sensor (HO2S) (3.2L)	At rear of engine compartment. See Fig. 122 .
Heater For Lambda Probe 1	Under center of vehicle. See Fig. 124 .
High Pressure Sensor	Right rear of engine compartment. See Fig. 125 .
Hydraulic Temperature Sensor	Rear of vehicle. See Fig. 126 .
Intake Air Temperature (IAT) Sensor (1.8L)	Right side of engine compartment. See Fig. 137 .
Knock Sensor (KS) 1 (1.8L)	On left side of engine block. See Fig. 139 .
Left Front ABS Wheel Speed Sensor	On left front hub/spindle assembly. See Fig. 141 .
Left Rear ABS Wheel Speed Sensor	On left rear hub/spindle assembly. See Fig. 143 .
Level Control System Sensor (Left Front)	On left front supporting link.Fig. 142 .
Level Control System Sensor (Left Rear)	On rear axle. See Fig. 64 .
Longitudinal Acceleration Sensor (With ESP)	Behind left side of dash. See Fig. 144 .
Manifold Absolute Pressure (MAP) Sensor	Right front of engine compartment. See Fig. 145 .
Mass Airflow (MAF) Sensor (1.8L)	Left side of engine compartment. See Fig. 146 .
Mass Airflow (MAF) Sensor (3.2L)	Left rear of engine compartment. See Fig. 147 .
Oil Level Thermal Sensor (1.8L)	On oil pan. See Fig. 149 .
Oil Level Thermal Sensor (3.2L)	On oil pan. See Fig. 150 .
Right Front ABS Wheel Speed Sensor	On left rear hub/spindle assembly. See Fig. 156 .
Right Rear ABS Wheel Speed Sensor	On right rear hub/spindle assembly. See Fig. 157 .
Side Air Bag Crash Sensor (Left)	Under left side of driver's seat. See Fig. 83 .
Side Air Bag Crash Sensor (Right)	Under right side of passenger's seat. See Fig. 84 .
Speedometer Vehicle Speed Sensor (VSS)	On right side of transmission, above differential housing. See Fig. 164 .
Steering Angle Sensor	Under steering wheel. See Fig. 165 .
Temperature Regulator Flap Motor Position Sensor	Behind center of dash. See Fig. 169 .
Throttle Drive Angle Sensor -1 (1.8L)	On throttle body. See Fig. 42 .
Throttle Drive Angle Sensor -1 (3.2L)	On throttle body. See Fig. 171 .
Throttle Drive Angle Sensor -2 (1.8L)	On throttle body. See Fig. 44 .
Throttle Drive Angle Sensor -2 (3.2L)	On throttle body. See Fig. 43 .
Throttle Drive Angle Sensor -3 (3.2L)	On throttle body. See Fig. 45 .
Throttle Position Sensor	Above accelerator pedal. See Fig. 172 .
Transverse Acceleration Sensor	Under left side of dash. See Fig. 163 .

Audi TT 2005 - SOLENOIDS & SOLENOID VALVES

Audi TT 2005 SOLENOIDS& SOLENOID VALVES LOCATION

Component	Location
Brake Pressure Release Solenoid	On power brake booster. See Fig. 50 .
Camshaft Adjustment Valve -1 (Exhaust) (3.2L)	At rear of engine. See Fig. 51 .
Differential Lock Valve 1	Left rear of engine compartment. See Fig. 91 .
Differential Lock Valve 2	Left rear of engine compartment. See Fig. 92 .
Evaporative Emission (EVAP) Canister Purge Regulator Valve (1.8L)	Right front of engine compartment. See Fig. 100 .
Evaporative Emission (EVAP) Canister Purge Regulator Valve (3.2L)	Right side of engine compartment. See Fig. 102 .
Evaporative Emission (EVAP) Canister Purge Solenoid Valve	Under rear of vehicle. See Fig. 101 .
Fuel Injector 1 (3.2L)	Top left side of engine. See Fig. 85 .
Fuel Injector 2 (3.2L)	Top left side of engine. See Fig. 86 .
Fuel Injector 3 (3.2L)	Top left side of engine. See Fig. 87 .
Fuel Injector 4 (3.2L)	Top left side of engine. See Fig. 88 .
Fuel Injector 5 (3.2L)	Top left side of engine. See Fig. 89 .
Fuel Injector 6 (3.2L)	Top left side of engine. See Fig. 90 .
Intake Manifold Change-Over Valve (3.2L)	Left side of engine. See Fig. 138 .
Recirculating Valve For Turbocharger	Front of engine compartment. See Fig. 154 .
Secondary Air Injection (AIR) Solenoid Valve (1.8L)	Left side of engine, below intake manifold. See Fig. 161 .
Secondary Air Injection (AIR) Solenoid Valve (3.2L)	On left side of engine. See Fig. 160 .
Valve -1 For Camshaft Adjustment (1.8L)	Front of engine. See Fig. 176 .
Valve -1 For Camshaft Adjustment (3.2L)	At rear of engine. See Fig. 177 .

Audi TT 2005 - SWITCHES

Audi TT 2005 SWITCHES LOCATION

Component	Location
A/C Pressure Switch	In right rear corner of engine compartment. See Fig. 31 .
Back-Up Light Switch (M/T)	On top of transmission, near starter solenoid. See Fig. 47 .
Brake Fluid Level Warning Switch	Integral to brake fluid reservoir cap. See Fig. 48 .
Brake Light Switch	Above brake pedal. See Fig. 49 .
Clutch Pedal Position Switch	Above clutch pedal. See Fig. 57 .
Clutch Vacuum Vent Valve Switch	Above clutch pedal. See Fig. 58 .
Contact Switch For Lock Cylinder (Driver's)	In driver's door. See Fig. 69 .
Contact Switch For Lock Cylinder (Passenger's)	In passenger's door. See Fig. 70 .
Convertible Top Cover Detector Switch	Front of left quarterpanel. See Fig. 74 .
Convertible Top Cover Detector Switch 2	Front of right quarter panel. See Fig. 75 .
Convertible Top Front Lock Switch	Left side of windshield header. See Fig. 76 .
Convertible Top Latch Open Switch	Right side of windshield header. See Fig. 79 .
Convertible Top Open Position Switch	Front of left quarter panel. See Fig. 80 .
Coolant Fan Control (FC) Thermal Switch	On bottom left rear of radiator. See Fig. 82 .
Engine Coolant Level (ECL) Warning Switch	Right side of engine compartment. See Fig. 95 .
Engine Coolant Temperature (ECT) Warning Switch	At rear of engine. See Fig. 97 .
Oil Pressure Switch (1.8L)	Front of engine compartment. See Fig. 151 .
Parking Brake Warning Light Switch	Below parking brake lever. See Fig. 152 .
Power Steering/Pressure Switch (1.8L)	Left front of engine. See Fig. 153 .
Trunk Switch For Central Locking	On trunk lock cylinder. See Fig. 166 .
Vacuum Vent Valve Brake Switch	Under left side of dash. See Fig. 175 .
Windshield Washer Fluid Level Warning Switch	In left front wheel well. See Fig. 178 .

Audi TT 2005 - MISCELLANEOUS

Audi TT 2005 MISCELLANEOUS LOCATION

Component	Location
Alarm Horn	Rear of engine compartment. See Fig. 38 .
Amplifier (Coupe)	Behind right seat. See Fig. 40 .
Amplifier (Roadster)	Right side of bulkhead. See Fig. 41 .
Combustion Air Blower Capacitor	Right rear of vehicle. See Fig. 59 .
Distributor Ignition (DI) Capacitor	At rear of engine. See Fig. 93 .
Fresh Air Blower Series Resistance With Fuse	Behind right side of dash, on fresh air blower. See Fig. 106 .
Ignition Coil 1 With Power Output Stage (3.2L)	Top of engine. See Fig. 131 .
Ignition Coil 1 (1.8L)	Top of engine. See Fig. 127 .
Ignition Coil 2 With Power Output Stage (3.2L)	Top of engine. See Fig. 132 .
Ignition Coil 2 (1.8L)	Top of engine. See Fig. 128 .
Ignition Coil 3 With Power Output Stage (3.2L)	Top of engine. See Fig. 133 .
Ignition Coil 3 (1.8L)	Top of engine. See Fig. 129 .
Ignition Coil 4 With Power Output Stage (3.2L)	Top of engine. See Fig. 134 .
Ignition Coil 4 (1.8L)	Top of engine. See Fig. 130 .
Ignition Coil 5 With Power Output Stage (3.2L)	Top of engine. See Fig. 135 .
Ignition Coil 6 With Power Output Stage (3.2L)	Top of engine. See Fig. 136 .
Telephone Transceiver	Left side of trunk. See Fig. 167 .

Audi TT 2005 - CONNECTORS

Audi TT 2005 CONNECTORS LOCATION

Component	Location
T2s (Yellow, 2 Pin)	Behind right side of dash. See Fig. 15 .
T3b (Black, 3 Pin)	Front of engine compartment. See Fig. 19 .
T3c (Brown, 3 Pin)	Front of engine compartment. See Fig. 20 .
T3d (Gray, 3 Pin)	Front of engine compartment. See Fig. 21 .
T3e (3 Pin)	Left side of engine compartment. See Fig. 16 .
T3h (3 Pin)	Under driver's seat. See Fig. 17 .
T3i (3 Pin)	Under passenger's seat. See Fig. 18 .
T4g (4 Pin)	Under center of vehicle. See Fig. 22 .
T4 (4 Pin)	Under center of vehicle. See Fig. 23 .
T5a (Yellow, 5 Pin)	On steering column. See Fig. 24 .
T5c (Yellow, 5 Pin)	Top of steering column. See Fig. 25 .
T6f (6 Pin)	Under driver's seat. See Fig. 27 .
T6g (6 Pin)	Under passenger's seat. See Fig. 26 .
T6m (Brown, 6 Pin)	At left rear of engine compartment, in protective housing. See Fig. 28 .
T8d (8 Pin)	Under rear of vehicle. See Fig. 29 .
T8e (8 Pin)	In center console. See Fig. 30 .
T10a (Green, 10 Pin)	At left rear of engine compartment, in protective housing. See Fig. 10 .
T10d (Brown, 10 Pin)	Behind left kick panel. See Fig. 7 .
T10e (Black, 10 Pin)	At left rear of engine compartment, in protective housing. See Fig. 2 .
T10f (Brown, 10 Pin)	Behind right kick panel. See Fig. 5 .
T10g (Blue, 10 Pin)	At left rear of engine compartment, in protective housing. See Fig. 3 .
T10i (Black, 10 Pin)	Left rear of engine compartment. See Fig. 1 .
T10l (Red, 10 Pin)	Behind left kick panel. See Fig. 12 .
T10m (Red, 10 Pin)	Behind right kick panel. See Fig. 13 .
T10q (Green, 10 Pin)	Behind left kick panel. See Fig. 9 .
T10r (Green, 10 Pin)	Behind right kick panel. See Fig. 8 .
T10w (Blue, 10 Pin)	Behind left kick panel. See Fig. 6 .
T10x (Orange, 10 Pin)	At left rear of engine compartment, in protective housing. See Fig. 11 .
T10z (Blue, 10 Pin)	At left rear of engine compartment, in protective housing. See Fig. 4 .

Audi TT 2005 - GROUNDS

Audi TT 2005 GROUNDS LOCATION

Component	Location
G12 (1.8L)	At left front of engine compartment. See Fig. 117 .
G12 (3.2L)	At left front of engine compartment. See Fig. 119 .
G15 (1.8L)	On top of cylinder head. See Fig. 110 .
G42	Below left side of dash. See Fig. 114 .
G43	Right kick panel. See Fig. 113 .
G44	Behind left kick panel. See Fig. 116 .
G45	Behind left side of dash. See Fig. 112 .
G50	At left front of luggage compartment. See Fig. 111 .
G52	Rear of roof. See Fig. 115 .
G640	Left side of engine compartment. See Fig. 118 .