ENGINE PERFORMANCE – Audi TT Quattro 2000 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.8L

1.8L, Engine Performance Wiring Diagram (1 of 3) for Audi TT Quattro 2000

List of elements for 1.8L, Engine Performance Wiring Diagram (1 of 3) for Audi TT Quattro 2000:

• (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,
• Brake- light switch (above brake pedal, on bracket)
• Charging system
• Clutch vacuum vent valve switch (above clutch pedal, on bracket)
• Cruise control system
• Fuse 10a
• Fuse 15a
• Fuse 40a
• 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)
• Throttle position (tp) sensor (above accelerator pedal)

1.8L, Engine Performance Wiring Diagram (2 of 3) for Audi TT Quattro 2000

List of elements for 1.8L, Engine Performance Wiring Diagram (2 of 3) for Audi TT Quattro 2000:

• (front of cylinder head, behind timing belt cover) camshaft position (cmp) sensor 2
• (mil)
• Charge air pressure sensor
• 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
• Secondary air injection (air) solenoid valve
• 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 2000

List of elements for 1.8L, Engine Performance Wiring Diagram (3 of 3) for Audi TT Quattro 2000:

• (left of steering column, on pedal support) g204
• 87f
• 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 15a
• Fuse 20a
• 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