ENGINE PERFORMANCE – Audi A3 2007 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.0L TURBO

2.0L Turbo, Engine Performance Wiring Diagram (1 of 5) for Audi A3 2007

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (1 of 5) for Audi A3 2007:

• (in center of plenum chamber)
• (in left plenum chamber) g607
• (on intake air duct) mass air flow (maf) sensor
• Accelerator pedal position (app) sensor (at accelerator pedal)
• Charge air pressure sensor (in charge air pipe)
• Cooling fans system
• Engine coolant temperature (ect) sensor (right rear of engine)
• Fuse 10a
• Fuse 25a
• Fuse panel b (integrated in engine compt e-box)
• Fuse/ relay carrier
• Heated oxygen sensor (in exhaust at turbocharger exit)
• Hot w/ ecm relay energized
• Motronic engine control module (ecm)
• Nca
• Oxygen sensor behind three-way catalytic convertor (under vehicle, in exhaust)
• Partial
• Steering column electronic systems control module (under steering column)
• T20b
• T26
• T40
• T94

2.0L Turbo, Engine Performance Wiring Diagram (2 of 5) for Audi A3 2007

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (2 of 5) for Audi A3 2007:

• (behind right kick panel) g638
• (below left side of dash) vehicle electrical system control module
• (in left plenum chamber) g607
• (left side of engine, below oil filter) after-run coolant pump
• (top of brake pedal assembly) brake light switch
• Clutch position sensor
• Coolant circulation pump relay
• Engine coolant temperature (ect) sensor (right rear of engine)
• Engine speed sensor (on block, near transmission)
• Fuse 10a
• Fuse 5a
• Fuse panel b (integrated in engine compartment e-box)
• Hot w/ ecm relay energized
• Intake air temperature sensor (left side of of engine)
• Knock sensor (ks) 1 (on left front of engine block, near head)
• Knock sensor (ks) 2 (on left rear of engine block, near head)
• Leak detection pump (ldp)
• Low fuel pressure sensor (left rear of of engine)
• Nca
• Red
• T16a
• T26
• T40
• Throttle valve control module (on throttle body)
• Transmissions system

2.0L Turbo, Engine Performance Wiring Diagram (3 of 5) for Audi A3 2007

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (3 of 5) for Audi A3 2007:

• (behind left kick panel)
• (below left side of dash) vehicle electrical system control module
• (under right side of rear seat) fuel pump (fp) control module
• Camshaft position sensor (front of cylinder head)
• Computer data lines system
• Data bus on-board diagnostic interface (behind center console storage compartment)
• Fuel gauge sender & transfer fuel pump
• Fuel pressure sensor (on left side of engine, in fuel rail)
• G401
• G44
• Intake manifold runner position sensor (on cylinder head, near intake manifold)
• Motronic engine control module (ecm) (in center of plenum chamber)
• Nca
• Partial
• Red
• T10b
• T11b
• T60

2.0L Turbo, Engine Performance Wiring Diagram (4 of 5) for Audi A3 2007

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (4 of 5) for Audi A3 2007:

• (on left front long member) g673
• Coil
• Engine coolant level/temp warning
• Engine coolant temp
• Engine electronics indicator
• Fuel level
• Fuel reserve warning
• Fuse 10a
• Fuse 15a
• Fuse panel c
• G15
• G673 (on left front long member)
• Hot at all times
• Instrument cluster control module (behind instrument cluster)
• Nca
• Oil pressure switch
• Oil pressure warning
• Red
• Speedometer
• T32
• To spark plug

2.0L Turbo, Engine Performance Wiring Diagram (5 of 5) for Audi A3 2007

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (5 of 5) for Audi A3 2007:

• (in center of plenum chamber)
• Camshaft adjustment valve 1 (top rear of right cylinder head)
• Computer data lines system
• Evaporative emission canister purge regulator valve (left rear of engine)
• Fuel injectors (right side of engine, below intake manifold)
• Fuel pressure regulator valve (rear of engine)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 5a
• Fuse panel b (integrated in engine compartment e-box)
• Hot at all times
• Hot w/ ecm relay energized
• Motronic engine control module (ecm)
• Partial
• Red
• Starting/charging system
• T26
• T40
• T60
• T94
• Turbocharger recirculating valve (top front of engine)
• Wastegate bypass regulator valve (right rear of engine compt)

3.2L

3.2L, Engine Performance Wiring Diagram (1 of 5) for Audi A3 2007

List of elements for 3.2L, Engine Performance Wiring Diagram (1 of 5) for Audi A3 2007:

• A b
• A early prod. late prod.
• Computer data lines system
• Coolant circulation pump relay
• Cruise control system
• E-box
• Fuse 10a
• Fuse 25a 15a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse panel b
• G607 (in left plenum chamber)
• Heated oxygen sensor (in exhaust, at turbocharger exit)
• Heated oxygen sensor 2 (in exhaust, at turbocharger exit)
• Hot at all times
• Motronic engine control module (in center of plenum chamber)
• Nca
• Oxygen sensor 2 behind three-way catalytic convertor (under vehicle, in exhaust)
• Oxygen sensor behind three-way catalytic convertor (under vehicle, in exhaust)
• Red
• Starting/charging system
• T16a
• T26
• T26 red
• T40
• Throttle position (tp) sensor and accelerator pedal position sensor (on accelerator pedal)
• Vehicle electrical system control module (below left side of dash)

3.2L, Engine Performance Wiring Diagram (2 of 5) for Audi A3 2007

List of elements for 3.2L, Engine Performance Wiring Diagram (2 of 5) for Audi A3 2007:

• (left side of engine, below oil filter) after-run coolant pump
• (underside of e-box assembly) secondary air injection (air) pump relay
• Brake light switch (top of brake
• Cooling fans system
• Engine coolant temperature (ect) sensor ((right rear of engine)
• Fuse 5a
• Fuse panel c
• G638 (behind right kick panel)
• G655 (on left headlight)
• G673 (on left front long member)
• Leak detection pump (ldp)
• Mass airflow (maf) sensor (on intake air duct)
• Pedal assembly)
• Positive crankcase ventilation (pcv) heating element
• Red
• Secondary air injection (air) solenoid valve
• Secondary air injection (air) solenoid valve 2
• Secondary air injection pump motor
• Secondary air injection sensor 1

3.2L, Engine Performance Wiring Diagram (3 of 5) for Audi A3 2007

List of elements for 3.2L, Engine Performance Wiring Diagram (3 of 5) for Audi A3 2007:

• (below left side of dash) vehicle electrical system control module
• 27a
• Camshaft position sensor (front of cylinder head)
• Camshaft position sensor 2
• Clutch position sensor
• Engine coolant temperature (ect) sensor (right rear of engine)
• Engine speed (rpm) sensor (on engine block, near transmission)
• Fuel pump 2 relay
• Fuse 10a
• Fuse 15a
• Fuse panel c
• G638 (behind right kick panel)
• Hot at all times
• Knock sensor (ks) 1 (on left front of engine block, near head)
• Knock sensor (ks) 2 (on left rear of engine block, near head)
• Nca
• Red
• T11b
• T16a

3.2L, Engine Performance Wiring Diagram (4 of 5) for Audi A3 2007

List of elements for 3.2L, Engine Performance Wiring Diagram (4 of 5) for Audi A3 2007:

• (behind center console storage compartment) data bus on board diagnostic interface
• Coil
• Computer data lines system
• Engine coolant level/temp warning
• Engine coolant temp
• Engine electronics indicator
• Fuel level
• Fuel level sensor 2
• Fuel reserve warning
• G15
• G401
• G673 (on left front long member)
• Instrument cluster control module (behind instrument cluster)
• Nca
• Oil pressure switch
• Oil pressure warning
• Red
• Speedometer
• T20d
• T32
• Throttle valve control module (on throttle body)
• To spark plugs

3.2L, Engine Performance Wiring Diagram (5 of 5) for Audi A3 2007

List of elements for 3.2L, Engine Performance Wiring Diagram (5 of 5) for Audi A3 2007:

• (left rear of engine) evaporative emission (evap) canister purge regulator valve
• Camshaft adjustment valve 1 (exhaust)
• Camshaft adjustment valve 1 (top rear of right cylinder head)
• Cooling fans system
• E-box high
• Fuel injectors (right side of engine, below intake manifold)
• Fuel level sensor and transfer fuel pump
• Fuel pump relay
• Fuse 10a
• Fuse 15a
• Fuse panel b
• G401
• G44 (behind left kick panel)
• Hot at all times
• Intake manifold tuning (imt) valve
• Motronic engine control module (in center of plenum chamber)
• Red
• T26