ENGINE PERFORMANCE – Audi TT 2012 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.0L TURBO

2.0L Turbo, Engine Performance Wiring Diagram, CDMA (1 of 6) for Audi TT 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CDMA (1 of 6) for Audi TT 2012:

• (left side of dash) vehicle electrical system control module
• (not used) 12 pin connector
• (on brake master cylinder) brake light switch & brake pedal switch
• (on clutch master cylinder) (m/t) clutch position sensor
• (right side of engine compt) abs control module
• 11a
• 12m
• Charge air pressure sensor (left front of engine compt)
• Cruise control system
• Engine control module (center rear of engine compt)
• Engine coolant temperature (ect) sensor (on radiator) (at rear of engine)
• Fuse 5a
• Fuse panel sc (left side of dash)
• G672 (on left front long member)
• Hot at all times
• Intake air switch-over valve
• Leak detection pump (ldp) (in rear left wheel housing)
• Mass air flow (maf) sensor (if equipped) (in air intake tube)
• Power distribution system
• Starting/charging system
• T14
• T4s
• T52b
• T52c
• T94

2.0L Turbo, Engine Performance Wiring Diagram, CDMA (2 of 6) for Audi TT 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CDMA (2 of 6) for Audi TT 2012:

• (on left front of engine compt) coolant fan control (fc) module
• 10a
• 11a
• 12a
• Accelerator pedal position sensor & accelerator pedal position sensor 2
• After-run coolant pump
• Coolant circulation pump relay
• Fuse 10a
• Fuse 20a
• Fuse 25a
• Fuse 5a
• Fuse 60a
• Fuse carrier
• Fuse panel sa (left side of engine compt)
• Fuse panel sb (left side of engine compt)
• G672 (on left front long member)
• Heated oxygen sensor (ho2s) & oxygen sensor (o2s) heater (heated oxygen sensor (ho2s): center engine compt)
• Hot at all times
• Nca
• Red
• Relay panel (on e-box) (left side of engine compt)
• T14
• T4s

2.0L Turbo, Engine Performance Wiring Diagram, CDMA (3 of 6) for Audi TT 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CDMA (3 of 6) for Audi TT 2012:

• (left side of engine compt) relay panel (on e-box)
• 12-pin connector
• 36a
• Computer data lines system
• Engine control module (right rear of engine compt)
• Fuse 10a
• Fuse 110a
• Fuse 15a
• Fuse 5a
• Fuse carrier
• Fuse panel sa (left side of engine compt)
• Fuse panel sb (left side of engine compt)
• Fuse panel sc (left side of dash)
• Fuse panel sf
• Hot at all times
• Nca
• Oxygen sensor (o2s) behind three way catalytic converter (twc) & oxygen sensor (o2s) heater 1 (behind three way catalytic converter (twc))
• Red
• T12m
• T94

2.0L Turbo, Engine Performance Wiring Diagram, CDMA (4 of 6) for Audi TT 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CDMA (4 of 6) for Audi TT 2012:

• (in fuel tank assembly) fuel pump (fp) control module
• (lower left "a" pillar) g44
• (lower right "a" pillar) g43
• (on oil pan) oil level thermal sensor
• Camshaft position (cmp) sensor (on front of engine)
• Engine coolant level (ecl) warning switch
• Epc throttle drive
• Fuel level sender & transfer fuel pump (fp)
• Fuel pressure sensor (on fuel rail)
• G672 (on left front long member)
• Nca
• Oil pressure switch (front of engine compt)
• Red
• Sensor 1 epc
• Sensor 2 epc
• Suppressor
• T14
• T6a
• T6p
• Throttle valve control module (on throttle body)

2.0L Turbo, Engine Performance Wiring Diagram, CDMA (5 of 6) for Audi TT 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CDMA (5 of 6) for Audi TT 2012:

• (at rear of engine) engine coolant temperature (ect) sensor
• (front of engine compt) intake air temperature (iat) sensor
• Computer data lines systems
• Display
• Engine coolant level/temperature (ecl/ect) warning lamp
• Engine speed (rpm) sensor (on side of engine block)
• Fuel gauge
• Instrument cluster control module
• Intake flap motor
• Intake manifold runner position sensor (on intake manifold)
• Knock sensor (ks) 1 (on side of engine block)
• Knock sensor (ks) 2 (on engine block)
• Low fuel pressure sensor (on fuel rail)
• Nca
• Oil pressure warning lamp
• Red
• Unit

2.0L Turbo, Engine Performance Wiring Diagram, CDMA (6 of 6) for Audi TT 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CDMA (6 of 6) for Audi TT 2012:

• (center of engine compt) fuel pressure regulator valve
• (center rear of engine compt)
• (front center of engine compt) turbocharger recirculating valve
• (left rear of engine compt) camshaft adjustment valve 1
• (right rear of engine compt) wastegate bypass regulator valve
• Cylinder fuel injectors
• Engine control module
• Evaporative emission (evap) canister purge regulator valve
• G15
• G672 (on left front long member)
• Ignition coils w/ power output stage (top of engine)
• Nca
• Red
• T14
• T60
• T8i
• To spark plug

2.0L Turbo, Engine Performance Wiring Diagram, CETA (1 of 6) for Audi TT 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CETA (1 of 6) for Audi TT 2012:

• (left side of dash) vehicle electrical system control module
• (on brake master cylinder) brake lamp switch & brake pedal switch
• (on clutch master cylinder) (m/t) clutch position sensor
• (right side of engine compt) abs control module
• Cruise control system
• Engine control module (center rear of engine compt)
• Engine coolant temperature (ect) sensor (on radiator outlet) (front left engine compt)
• Fuse 5a
• Fuse panel sc (left side of dash)
• G672 (on left front long member)
• Leak detection pump (ldp) (w/ fuel system diagnostic pump) (in rear left wheel housing)
• Power distribution system
• T52b
• T52c
• T94

2.0L Turbo, Engine Performance Wiring Diagram, CETA (2 of 6) for Audi TT 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CETA (2 of 6) for Audi TT 2012:

• (on left front of engine compt) coolant fan control (fc) module
• 10a
• 11a
• 12a
• Accelerator pedal position sensor & accelerator pedal position sensor 2
• After-run coolant pump
• Coolant circulation pump relay
• Fuse 10a
• Fuse 20a
• Fuse 25a
• Fuse 5a
• Fuse 60a
• Fuse carrier
• Fuse panel sa (left side of engine compt)
• Fuse panel sb (left side of engine compt)
• G672 (on left front long member)
• Heated oxygen sensor (ho2s) & oxygen sensor (o2s) heater (heated oxygen sensor (ho2s): center engine compt)
• Hot at all times
• Nca
• Red
• Relay panel (on e-box) (left side of engine compt)
• T14
• T2av

2.0L Turbo, Engine Performance Wiring Diagram, CETA (3 of 6) for Audi TT 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CETA (3 of 6) for Audi TT 2012:

• (left side of engine compt) relay panel (on e-box)
• 12-pin connector
• 36a
• Computer data lines system
• Engine control module (center rear of engine compt)
• Fuse 10a
• Fuse 110a
• Fuse 15a
• Fuse 5a
• Fuse carrier
• Fuse panel sa (left side of engine compt)
• Fuse panel sb (left side of engine compt)
• Fuse panel sc (left side of dash)
• Fuse panel sf
• Hot at all times
• Nca
• Oxygen sensor (o2s) after three way catalytic converter (twc) & oxygen sensor (o2s) heater 1 after catalytic converter
• Red
• T12m
• T94

2.0L Turbo, Engine Performance Wiring Diagram, CETA (4 of 6) for Audi TT 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CETA (4 of 6) for Audi TT 2012:

• (center of engine compt) fuel pressure regulator valve
• (in fuel tank assembly) fuel pump (fp) control module
• (lower left "a" pillar) g44
• (lower right "a" pillar) g43
• (on oil pan) oil level thermal sensor
• Camshaft position (cmp) sensor (on front of engine)
• Engine coolant level (ecl) warning switch
• Fuel level sender & transfer fuel pump (fp)
• Fuel pressure sensor (on fuel rail)
• G672 (on left front long member)
• Nca
• Oil pressure switch (front of engine compt)
• Red
• Sensor 1
• Sensor 2
• Suppressor
• T14
• T6a
• T6p
• Throttle drive
• Throttle valve control module (on throttle body)

2.0L Turbo, Engine Performance Wiring Diagram, CETA (5 of 6) for Audi TT 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CETA (5 of 6) for Audi TT 2012:

• (front of engine compt) intake air temperature (iat) sensor
• (top of cylinder block) cam adjustment actuator 2
• (top of cylinder block) cam adjustment actuator 7
• Charge air pressure sensor (left front of engine compt)
• Computer data lines systems
• Display unit
• Engine coolant level/temperature (ecl/ect) indicator lamp
• Engine speed sensor (if equipped) (onside of engine block)
• Fuel gauge
• Instrument cluster control module
• Intake manifold runner position sensor (on intake manifold)
• Knock sensor (ks) 1 (on side of engine block)
• Manifold absolute pressure sensor
• Nca
• Oil pressure indicator lamp
• Oil pressure regulation valve
• Red
• T14
• T6p

2.0L Turbo, Engine Performance Wiring Diagram, CETA (6 of 6) for Audi TT 2012

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CETA (6 of 6) for Audi TT 2012:

• (front left engine compt) engine coolant temperature (ect) sensor
• (right rear engine compt) turbocharger recirculation valve
• (right rear of engine compt) wastegate bypass regulator valve
• (right side engine compt) camshaft adjustment valve 1
• (top of cylinder block) cam adjustment actuator 1
• (top of cylinder block) cam adjustment actuator 4
• (top of cylinder block) cam adjustment actuator 5
• (top of cylinder block) cam adjustment actuator 8
• Cam adjustment actuator 3 (top of cylinder block)
• Cam adjustment actuator 6 (top of cylinder block)
• Cylinder fuel injectors
• Engine control module (center rear of engine compt)
• Evaporative emission (evap) canister purge regulator valve 1
• G15
• G672 (on left front long member)
• Ignition coils w/ power output stage (top of engine)
• Nca
• Red
• Secondary air injection solenoid valve
• T60
• T8i
• To spark plug

2.5L TURBO

2.5L Turbo, Engine Performance Wiring Diagram (1 of 6) for Audi TT 2012

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (1 of 6) for Audi TT 2012:

• (left side of dash) vehicle electrical system control module
• (on brake master cylinder) brake lamp switch & brake pedal switch
• (right side of engine compt) abs control module
• Automatic transmission sport mode switch & sport program button
• Clutch position sensor (m/t) (on clutch master cylinder)
• Cruise control system
• Engine control module
• Fuse 15a
• Fuse 5a
• Fuse 60a
• Fuse carrier
• Fuse panel sa (left side of engine compt)
• Fuse panel sb (left side of engine compt)
• Fuse panel sc (left side of dash)
• G16
• G44 (lower left "a" pillar)
• G672 (on left front long member)
• Hot at all times
• Intake air temperature sensor 2 & charge air pressure sensor (charge air pressure sensor: left side engine)
• Interior lights system
• Leak detection pump (ldp) (w/ fuel system diagnostic pump) (in rear left wheel housing)
• Left relay carrier under the instrument panel control relay
• Low fuel pressure sensor (left front engine)
• Power distribution system
• T10
• T14
• T14c
• T52c
• T94

2.5L Turbo, Engine Performance Wiring Diagram (2 of 6) for Audi TT 2012

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (2 of 6) for Audi TT 2012:

• (on left front of engine compt) coolant fan control (fc) module
• 10a
• 11a
• 12a
• 87a
• Accelerator pedal position sensor & accelerator pedal position sensor 2
• After-run coolant pump
• Auxiliary engine coolant pump relay
• Cooling circuit
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 30a
• Fuse 5a
• Fuse carrier
• Fuse panel sb (left side of engine compt)
• G672 (on left front long member)
• Heated oxygen sensor (ho2s) & oxygen sensor (o2s) heater (heated oxygen sensor (ho2s): right side engine)
• Nca
• Red
• Relay panel (on e-box) (left side of engine compt)
• Solenoid valve
• T10
• T14

2.5L Turbo, Engine Performance Wiring Diagram (3 of 6) for Audi TT 2012

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (3 of 6) for Audi TT 2012:

• (left side of engine compt) relay panel (on e-box)
• 12-pin connector
• 36a
• Computer data lines system
• Engine control module
• Fuse 10a
• Fuse 110a
• Fuse 5a
• Fuse panel sa (left side of engine compt)
• Fuse panel sc (left side of dash)
• Hot at all times
• Nca
• Oxygen sensor after three way catalytic converter & oxygen sensor heater 1 after catalytic converter
• Red
• T12m
• T94

2.5L Turbo, Engine Performance Wiring Diagram (4 of 6) for Audi TT 2012

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (4 of 6) for Audi TT 2012:

• (in fuel tank assembly) fuel pump control module
• (lower left "a" pillar) g44
• (lower right "a" pillar) g43
• (on oil pan) oil level thermal sensor
• Engine coolant level (ecl) warning switch
• Exhaust gas temperature sensor 1 (right side engine)
• Fuel level sensor & transfer fuel pump
• G672 (on left front long member)
• Nca
• Oil pressure switch
• Red
• Reduced oil pressure switch
• Sensor 1
• Sensor 2
• Suppressor
• T14
• T6a
• Throttle drive
• Throttle valve control module (on throttle body)

2.5L Turbo, Engine Performance Wiring Diagram (5 of 6) for Audi TT 2012

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (5 of 6) for Audi TT 2012:

• (at rear of engine) engine coolant temperature (ect) sensor
• (intake air temperature sensor: rear of engine) intake air temperature sensor & manifold absolute pressure sensor
• Camshaft position sensor (front right engine)
• Camshaft position sensor 3
• Computer data lines systems
• Display unit
• Engine coolant level/temperature (ecl/ect) indicator lamp
• Engine speed (rpm) sensor (rear engine)
• Fuel gauge
• Fuel pressure sensor (on fuel rail)
• Instrument cluster control module
• Intake manifold runner position sensor (on intake manifold)
• Knock sensor 1 (right side engine)
• Knock sensor 2 (right side engine)
• Nca
• Oil pressure indicator lamp
• Red
• T14c
• T14d

2.5L Turbo, Engine Performance Wiring Diagram (6 of 6) for Audi TT 2012

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (6 of 6) for Audi TT 2012:

• (left front engine) intake manifold runner control valve
• (left rear of engine) camshaft adjustment valve 1
• (rear of engine) turbocharger recirculation valve
• (right front engine) wastegate bypass regulator valve
• (top of engine) exhaust camshaft adjustment valve 1
• (top of engine) fuel metering valve
• (w/ dsg transmission) oil pressure regulation valve
• Cylinder fuel injectors (left side engine)
• Engine control module
• Evaporative emission (evap) canister purge regulator valve 1
• Exhaust door valve 1
• G27
• Ignition coils w/ power output stage (top of engine)
• Nca
• Red
• T14
• T14c
• T14d
• T60
• To spark plug