ENGINE PERFORMANCE – Audi A3 Premium Plus Quattro 2013 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.0L TURBO

2.0L Turbo, Engine Performance Wiring Diagram, CBFA (1 of 6) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CBFA (1 of 6) for Audi A3 Premium Plus Quattro 2013:

• (in left plenum chamber) g607
• A/t
• Cooling fans system
• Cruise control system
• Cruise control system starting/ charging system
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temperature (ect) sensor (radiator) (on lower radiator hose)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 22
• Fuse 24 fuse 38 10a
• Fuse 39 5a
• Fuse 5a
• Fuse panel b (on electronics box)
• Hot at all times
• M/t
• Map controlled engine cooling thermostat
• Nca
• Oxygen sensor (o2s) 3 behind three way catalytic converter (twc) & oxygen sensor (o2s) 1 after catalytic converter (twc) heater (under vehicle, in exhaust)
• Oxygen sensor (o2s) behind three way catalytic converter (twc) & heater (under vehicle, in exhaust)
• Power distribution system
• Radiator identification sensor
• Red
• T14
• T40
• T94
• W/ e-box high
• W/ e-box low

2.0L Turbo, Engine Performance Wiring Diagram, CBFA (2 of 6) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CBFA (2 of 6) for Audi A3 Premium Plus Quattro 2013:

• (in left plenum chamber) g607
• (left end of dash) vehicle electrical system control module
• (left side of engine, below oil filter) after-run coolant pump
• (not used)
• (on clutch slave cylinder assembly) (m/t) clutch position sensor
• A/t
• Abs control module (at right rear of engine compt)
• Accelerator pedal position sensor & accelerator pedal position sensor 2 (accelerator pedal position sensor 2: on accelerator pedal)
• Brake light switch & brake pedal switch (brake light switch: top of brake pedal assembly)
• Coolant circulation pump relay (on electronics box high)
• Direct shift gear box (dsg) mechatronic (on transmission housing)
• G44 (behind left kick panel)
• G607 (in left plenum chamber)
• Heated oxygen sensor (ho2s) & oxygen sensor (o2s) heater (in exhaust, at turbocharger exit)
• Leak detection pump (ldp) (under wheel housing liner, in right rear wheel housing)
• M/t
• Nca
• Red
• T14
• T20e
• T2az
• T52b
• T52c
• W/ start/stop system
• W/o start/stop system

2.0L Turbo, Engine Performance Wiring Diagram, CBFA (3 of 6) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CBFA (3 of 6) for Audi A3 Premium Plus Quattro 2013:

• (on fuel pump, top of fuel tank) fuel pump (fp) control module
• (top of fuel tank) (awd) fuel level sensor 2
• (top of fuel tank) fuel level sensor & transfer fuel pump
• Fuse 40a
• Fuse panel b (on electronics box)
• G15
• G62 (on right "c" pillar)
• G655 (on left headlight long member)
• Hot at all times
• Ignition coils w/ power output stage (top of cylinder head, above cylinders)
• Nca
• Red
• Secondary air injection pump relay
• T14
• T40
• To spark plug

2.0L Turbo, Engine Performance Wiring Diagram, CBFA (4 of 6) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CBFA (4 of 6) for Audi A3 Premium Plus Quattro 2013:

• 18a
• 27a
• Camshaft position (cmp) sensor (front of cylinder head)
• Computer data lines system
• Engine coolant level/temperature (ecl/ect) lamp
• Engine coolant temperature (ect) gauge
• Engine coolant temperature (ect) sensor (right rear of engine)
• Engine electronics ind lamp
• Fuel gauge
• Fuel pressure sensor (on left side of engine, in fuel rail)
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse panel c (under left side of dash)
• Hot at all times
• Instrument cluster control module
• Knock sensor (ks) 1 (on left front of engine block, near head)
• Knock sensor (ks) 2 (on left rear of engine block, near head)
• Low fuel level ind lamp
• Mil ind
• Nca
• Oil pressure lamp
• Oil pressure switch (on oil filter bracket)
• Red
• Secondary air injection sensor 1
• T14
• T6s

2.0L Turbo, Engine Performance Wiring Diagram, CBFA (5 of 6) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CBFA (5 of 6) for Audi A3 Premium Plus Quattro 2013:

• (on engine block near transmission) engine speed (rpm) sensor
• (on engine intake air duct) mass air flow (maf) sensor
• (on throttle body) throttle valve control module
• Cylinder fuel injectors (right side of engine, below intake manifold)
• Engine control module (ecm) (left side of engine compt)
• Fuse 10a
• Fuse panel c (under left side of dash)
• Nca
• Red
• T60
• T8i

2.0L Turbo, Engine Performance Wiring Diagram, CBFA (6 of 6) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CBFA (6 of 6) for Audi A3 Premium Plus Quattro 2013:

• (in charge air pipe) charge air pressure sensor
• (left side of engine) intake air temp- erature (iat) sensor
• (on cylinder head, in intake manifold) intake manifold runner position sensor
• (on left headlight long member) g655
• Camshaft adjustment valve 1 (top rear of right cylinder head)
• Computer data lines system
• Engine control module (ecm) (left side of engine compt)
• Evaporative emission (evap) canister purge regulator valve 1 (left rear of engine)
• Fuel pressure regulator valve (rear of engine)
• Fuse 10a
• Fuse panel b (on electronics box)
• Hot at all times
• Intake manifold runner control (imrc) valve
• Nca
• Red
• Secondary air injection (air) pump motor
• Secondary air injection (air) solenoid valve
• T14
• T40
• T60
• T6s
• T94
• Turbocharger recirculation valve
• Wastegate bypass regulator valve (on turbocharger)

2.0L Turbo, Engine Performance Wiring Diagram, CCTA (1 of 6) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CCTA (1 of 6) for Audi A3 Premium Plus Quattro 2013:

• (in left plenum chamber) g607
• (not used)
• A/t
• Cooling fans system
• Cruise control system
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temperature (ect) sensor (radiator) (on lower radiator hose)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 24 fuse 38 10a
• Fuse 5a
• Fuse fuse 5a
• Fuse panel b (on electronics box)
• Hot at all times
• M/t
• Nca
• Oxygen sensor (o2s) after three way catalytic converter (twc) & oxygen sensor (o2s) heater 1 behind three way catalytic converter (twc) (under vehicle, in exhaust)
• Red
• Starting/charging system
• T14
• T40
• T94
• W/ e-box high
• W/ e-box low

2.0L Turbo, Engine Performance Wiring Diagram, CCTA (2 of 6) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CCTA (2 of 6) for Audi A3 Premium Plus Quattro 2013:

• (brake light switch: top of brake pedal assembly) brake light switch & brake pedal switch
• (left end of dash) vehicle electrical system control module
• (on clutch slave cylinder assembly) (m/t) clutch position sensor
• A/t
• Abs control module (at right rear of engine compt)
• Accelerator position sensor & accelerator pedal position sensor 2 (accelerator pedal position sensor 2: on accelerator pedal)
• Coolant circulation pump relay (on electronics box high)
• Fuse 20a
• Fuse panel b (on electronics box)
• G44 (behind left kick panel)
• G607 (in left plenum chamber)
• Heated oxygen sensor (ho2s) & oxygen sensor (o2s) heater (in exhaust, at turbocharger exit)
• Hot at all times
• Leak detection pump (ldp) (under wheel housing liner, in right rear wheel housing)
• M/t
• Nca
• Red
• T14
• T40
• T52b
• T52c
• Transmissions system

2.0L Turbo, Engine Performance Wiring Diagram, CCTA (3 of 6) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CCTA (3 of 6) for Audi A3 Premium Plus Quattro 2013:

• (awd) fuel level sensor 2
• (in left plenum chamber) g607
• (on fuel pump, top of fuel tank) fuel pump (fp) control module
• (on right "c" pillar) g62
• (top of fuel tank)
• (top of fuel tank) fuel level sensor & transfer fuel pump (fp)
• After-run coolant pump (left side of engine, below oil filter)
• G15
• G655 (on left headlight long member)
• Ignition coils w/ power output stage (top of cylinder head, above cylinder)
• Nca
• Red
• T14
• T2az
• To spark plug

2.0L Turbo, Engine Performance Wiring Diagram, CCTA (4 of 6) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CCTA (4 of 6) for Audi A3 Premium Plus Quattro 2013:

• 27a
• Camshaft position (cmp) sensor (front of cylinder head)
• Computer data lines system
• Engine coolant level/temperature (ecl/ect) lamp
• Engine coolant temperature (ect) gauge
• Engine coolant temperature (ect) sensor (right rear of engine)
• Engine electronics ind lamp
• Fuel gauge
• Fuel pressure sensor (on left side of engine, in fuel rail)
• Fuse 10a
• Fuse 15a
• Fuse panel c (under left side of dash)
• Hot at all times
• Instrument cluster control module
• Knock sensor (ks) 1 (on left front of engine block, near head)
• Low fuel level ind
• Mil ind
• Nca
• Oil pressure indicator
• Oil pressure switch (on oil filter bracket)
• T14
• T6s

2.0L Turbo, Engine Performance Wiring Diagram, CCTA (5 of 6) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CCTA (5 of 6) for Audi A3 Premium Plus Quattro 2013:

• (on engine block near transmission) engine speed (rpm) sensor
• (on engine intake air duct) mass air flow (maf) sensor
• (on throttle body) throttle valve control module
• Cylinder fuel injectors (right side of engine, below intake manifold)
• Engine control module (ecm) (left side of engine compt)
• Fuse 10a
• Fuse panel c (under left side of dash)
• Nca
• T60
• T8i

2.0L Turbo, Engine Performance Wiring Diagram, CCTA (6 of 6) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram, CCTA (6 of 6) for Audi A3 Premium Plus Quattro 2013:

• (in charge air pipe) charge air pressure sensor
• (left side of engine) intake air temp- erature (iat) sensor
• (on cylinder head, in intake manifold) intake manifold runner position sensor
• Camshaft adjustment valve 1 (top rear of right cylinder head)
• Computer data lines system
• Engine control module (ecm) (left side of engine compt)
• Evaporative emission (evap) canister purge regulator valve 1 (left rear of engine)
• Fuel pressure regulator valve (rear of engine)
• Fuse 10a
• Fuse panel b (on electronics box)
• Hot at all times
• Intake manifold runner control (imrc) valve
• Nca
• Oil pressure regulator valve (if equipped)
• T14
• T40
• T60
• T6s
• T94
• Turbocharger recirculation valve
• Wastegate bypass regulator valve (on turbocharger)

2.0L TURBO DIESEL

2.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 5) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 5) for Audi A3 Premium Plus Quattro 2013:

• (accelerator pedal position sensor 2: on accelerator pedal) accelerator pedal position sensor 2 & acceleration pedal position sensor
• (behind left kick panel) g639
• (in left plenum chamber) g607
• (on engine intake air duct) mass air flow (maf) sensor
• Auxiliary heater heating element
• Cruise control system
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temperature (ect) sensor (on radiator) (on lower radiator hose)
• Engine preheating heating element
• Exhaust gas temperature (egt) sensor 1
• Exhaust gas temperature (egt) sensor 2
• Exhaust gas temperature (egt) sensor 3
• Exhaust gas temperature (egt) sensor 4
• Fuse 10a
• Fuse 30a
• Fuse 40a
• Fuse 80a
• Fuse panel a (on electronics box)
• Fuse panel b (on electronics box)
• Heater control module (if equipped)
• Left front bumper socket
• Nca
• Red
• T14
• T40
• T94

2.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 5) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 5) for Audi A3 Premium Plus Quattro 2013:

• (behind left kick panel) g44
• (brake light switch: top of brake pedal assembly) brake light switch & brake pedal switch
• (in exhaust at turbocharger exit)
• (left end of dash) vehicle electrical system control module
• (under vehicle, in exhaust) oxygen sensor (o2s) behind three way catalytic converter (twc) & oxygen sensor (o2s) heater 1 behind three way catalytic converter (twc)
• Abs control module (at right rear of engine compt)
• Differential pressure sensor
• Egr potenti- ometer & egr motor
• Engine speed (rpm) sensor (on engine block near transmission)
• Exhaust door control unit
• Exhaust pressure sensor 1
• Fuel pressure sensor (on left side of engine, in fuel rail)
• G655 (on left headlight long member)
• Heated oxygen sensor (ho2s) & oxygen sensor (o2s) heater
• High heat output relay
• Low heat output relay
• Nca
• Red
• T14
• T52b
• T52c
• Throttle valve control module (on throttle body)
• Transmissions system

2.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 5) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 5) for Audi A3 Premium Plus Quattro 2013:

• (on electronics box) automatic glow time control module
• (top of fuel tank) fuel level sensor & transfer fuel pump (fp)
• Auxiliary fuel pump
• Auxiliary fuel pump relay
• Egr temperature sensor
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temperature (ect) sensor (right rear of engine)
• Fuel pump (fp) relay
• Fuel temperature sensor
• Fuse 50a
• Fuse 5a
• Fuse panel b (on electronics box)
• G607 (in left plenum chamber)
• G62 (on right "c" pillar)
• G638 (behind right kick panel)
• Hot at all times
• Red
• T14
• T40
• T60

2.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 5) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 5) for Audi A3 Premium Plus Quattro 2013:

• (on oil filter bracket) oil pressure switch
• 27a
• Camshaft position (cmp) sensor (front of cylinder head)
• Computer data lines system
• Diesel particle filter indicator lamp
• Engine coolant level/temp (ecl/ect) lamp
• Engine coolant temperature (ect) gauge
• Engine electronics ind
• Fuel gauge
• Fuel metering valve
• Fuel pressure regulator valve (rear of engine)
• Fuse 10a
• Fuse 15a
• Fuse panel c (under left side of dash)
• Instrument cluster control module
• Internal pressure sensor cylinder 1 & glow plug 1
• Internal pressure sensor cylinder 2 & glow plug 2
• Internal pressure sensor cylinder 3 & glow plug 3
• Internal pressure sensor cylinder 4 & glow plug 4
• Low fuel level ind lamp
• Mil ind
• Oil pressure ind lamp
• Red
• T14

2.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 5) for Audi A3 Premium Plus Quattro 2013

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 5) for Audi A3 Premium Plus Quattro 2013:

• (if equipped) positive crankcase ventilation (pcv) heating element
• (left side of engine)
• Charge pressure actuator position sensor
• Computer data lines system
• Cooling fans system
• Cylinder fuel injectors (right side of engine, below intake manifold)
• Engine control module (ecm) (left side of engine compt)
• Exhaust gas recirculation (egr) position sensor 2 & motor 2
• Fuse 10a
• Fuse 20a
• Fuse 22 fuse 39 5a
• Fuse panel b (on electronics box)
• Hot at all times
• Intake air temperature (iat) & charge air pressure sensor
• Intake manifold runner position sensor & intake flap motor (on cylinder head, in intake manifold)
• Red
• Starting/charging system
• T14
• T40
• T4at
• T60
• T94
• W/ e-box high
• W/ e-box low
• Wastegate bypass regulator valve (on turbocharger)