ENGINE PERFORMANCE – Audi A4 Quattro 2009 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.0L TURBO

2.0L Turbo, Engine Performance Wiring Diagram (1 of 6) for Audi A4 Quattro 2009

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (1 of 6) for Audi A4 Quattro 2009:

• (left rear of engine compt) g12
• (right side of trunk) comfort system control module
• Cooling fans system
• Cruise control switch
• E-box relay/ fuse carrier (in plenum chamber electronics box)
• Engine control module (ecm) (left side of engine compt plenum chamber)
• Exterior lights system
• Fuse 15a
• Fuse 20a
• Fuse 5a
• Fuse carrier
• G12 (left rear of engine compt)
• Nca
• Oil level thermal sensor
• Oxygen sensor (o2s) behind 3-way catalytic converter (twc) (downstream of catalytic converter)
• Red
• Starting/ charging system
• Steering column electronic systems control module (on steering column, behind steering wheel)
• System
• T16f
• T32d
• T94
• Throttle position (tp) sensor & accelerator pedal position sensor 2 (integral to accelerator pedal position sensor)
• Transmissions
• W/ cruise control
• W/o cruise control

2.0L Turbo, Engine Performance Wiring Diagram (2 of 6) for Audi A4 Quattro 2009

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (2 of 6) for Audi A4 Quattro 2009:

• 10a
• Coil 1
• Coil 2
• Coil 3
• Coil 4
• E-box relay/ fuse carrier (in plenum chamber electronics box)
• Fuse 110a
• Fuse 15a
• Fuse carrier
• Fuse panel a (on battery, in luggage compt)
• G12 (left rear of engine compt)
• G15
• Hot at all times
• Ignition coils 1, 2, 3 & 4 w/ power output stage (above 1, 2, 3 & 4 cylinders)
• Nca
• Red
• Reduced oil pressure switch
• To spark plug

2.0L Turbo, Engine Performance Wiring Diagram (3 of 6) for Audi A4 Quattro 2009

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (3 of 6) for Audi A4 Quattro 2009:

• (base of right "c" pillar) g730
• Air bag malfunction ind lamp
• Brake light switch
• Camshaft adjustment actuator 1
• Camshaft adjustment actuator 2
• Camshaft adjustment actuator 3
• Camshaft adjustment actuator 4
• Camshaft adjustment actuator 5
• Camshaft adjustment actuator 6
• Camshaft adjustment actuator 7
• Camshaft adjustment actuator 8
• Computer data lines system
• Coolant circulation pump relay (on e-box relay/fuse carrier)
• Driver's side fuse panel (behind left end of dash)
• Fuel level sensor & transfer pump
• Fuel pump (fp) control module
• Fuse 25a
• Fuse 5a
• Fuse carrier
• Instrument cluster control module
• T5f

2.0L Turbo, Engine Performance Wiring Diagram (4 of 6) for Audi A4 Quattro 2009

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (4 of 6) for Audi A4 Quattro 2009:

• (m/t) clutch position sensor
• (right side of trunk) electro mechanical parking brake control module
• (under left side of dash) vehicle electrical system control module
• Camshaft adjustment valve 1 (lower front of engine)
• Climatronic control module
• Climatronic refrigerant shut-off valve (on refrigerant tube)
• Driver's side fuse panel (behind left end of dash)
• Engine coolant level (ecl) sensor
• Fuse 5a
• Fuse carrier
• G639 (behind left kick panel)
• G687 (left side of center tunnel)
• Hot at all times
• Intake manifold runner control (imrc) valve (left side engine)
• Leak detection pump (ldp)
• Left electro hydraulic engine mount solenoid valve (a/t)
• Oil pressure regulation valve (lower left front of engine)
• T17i
• T20e
• T32b
• Turbocharger recirculating valve (right front of engine)
• Wastegate bypass regulator valve (right front of engine)

2.0L Turbo, Engine Performance Wiring Diagram (5 of 6) for Audi A4 Quattro 2009

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (5 of 6) for Audi A4 Quattro 2009:

• (above 1, 2, 3 & 4 cylinders) fuel injectors 1,2,3 & 4
• (left front of engine compt) charge air pressure sensor
• (left side of engine, in intake manifold) intake manifold runner position sensor
• (left side of engine, on fuel line) fuel pressure sensor
• (left side of intake manifold) intake air temperature (iat) sensor
• (lower left rear of engine) engine coolant temperature (ect) sensor
• Engine control module (ecm) (left side of engine compt plenum chamber)
• Engine speed (rpm) sensor (lower left rear of engine)
• Evaporative emission (evap) canister purge regulator valve (left rear of engine)
• Servotronic solenoid valve
• T60

2.0L Turbo, Engine Performance Wiring Diagram (6 of 6) for Audi A4 Quattro 2009

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (6 of 6) for Audi A4 Quattro 2009:

• (right rear of engine) fuel pressure regulator valve
• Camshaft position (cmp) sensor (top center of engine)
• Computer data lines system
• E-box relay/ fuse carrier (in plenum chamber electronics box)
• Engine control module (ecm) (left side of engine compt plenum chamber)
• Fuse 5a
• Fuse carrier
• Heated oxygen sensor (ho2s) & oxygen sensor (o2s) heater (in exhaust, at turbocharger exit)
• Hot at all times
• Knock sensor (ks) 1 (left side of cylinder head)
• Nca
• Secondary air injection sensor 1
• Starting/charging system
• T60
• T94
• Throttle valve control module (left side of intake manifold)

3.2L

3.2L, Engine Performance Wiring Diagram (1 of 8) for Audi A4 Quattro 2009

List of elements for 3.2L, Engine Performance Wiring Diagram (1 of 8) for Audi A4 Quattro 2009:

• (in mechatronic unit) transmission control module (tcm)
• (left rear of engine compt) g12
• (right side of trunk) comfort system control module
• Cooling fans system
• Direct shift gear box (dsg) mechatronic
• E-box relay/ fuse carrier (in plenum chamber electronics box)
• Engine control module (ecm) (left side of engine compt plenum chamber)
• Fuse 15a
• Fuse 20a
• Fuse 5a
• G12 (left rear of engine compt)
• Nca
• Oil level thermal sensor
• Oxygen sensor (02s) 2 behind three way catalytic convertor (downstream of cylinder bank 2 catalytic converter)
• Oxygen sensor (o2s) behind three way catalytic convertor (downstream of catalytic converter)
• Red
• Starting/ charging system
• Starting/charging system
• T16r
• T32d
• T94
• Throttle position (tp) sensor & throttle position (tp) sensor 2 (throttle position (tp) sensor 2: integral to accelerator pedal position sensor)
• Transmission control module (tcm)
• W/ 6 speed
• W/ direct shift gear box
• W/o direct shift gear box

3.2L, Engine Performance Wiring Diagram (2 of 8) for Audi A4 Quattro 2009

List of elements for 3.2L, Engine Performance Wiring Diagram (2 of 8) for Audi A4 Quattro 2009:

• 10a
• Battery interrupt igniter
• Battery jump start terminal (middle of engine compt plenum chamber)
• Cam adjustment actuator 1 (above actuator 1 bank 1 cylinders)
• Cam adjustment actuator 2 (above actuator 2 bank 1 cylinders)
• Cam adjustment actuator 3 (above actuator 3 bank 1 cylinders)
• Cam adjustment actuator 4 (above actuator 4 bank 1 cylinders)
• Cam adjustment actuator 5 (above actuator 5 bank 1 cylinders)
• Cam adjustment actuator 6 (above actuator 6 bank 1 cylinders)
• E-box relay/ fuse carrier (in plenum chamber electronics box)
• Fuse 110a
• Fuse 15a
• Fuse panel a (on battery, in luggage compt)
• Hot at all times
• Power distribution system
• Red

3.2L, Engine Performance Wiring Diagram (3 of 8) for Audi A4 Quattro 2009

List of elements for 3.2L, Engine Performance Wiring Diagram (3 of 8) for Audi A4 Quattro 2009:

• (right side of trunk) comfort system control module
• Driver side fuse panel (behind left end of dash)
• E-box relay/ fuse carrier (in plenum chamber electronics box)
• Fuse 25a
• Fuse 5a
• Fuse carrier
• Red
• Reduced oil pressure switch
• T32d
• Transmission park selector switch & shift lock solenoid (a/t) (shift lock solenoid: on shifter unit)

3.2L, Engine Performance Wiring Diagram (4 of 8) for Audi A4 Quattro 2009

List of elements for 3.2L, Engine Performance Wiring Diagram (4 of 8) for Audi A4 Quattro 2009:

• (base of right "c" pillar) g730
• (in exhaust, at turbocharger exit) heated oxygen sensor (ho2s) 2
• (left side of center tunnel) g687
• (left side of engine compt) abs control module
• (not used) 12 pin connector
• (right side of trunk) comfort system control module
• (upstream of cylinder bank 2 catalytic converter) heated oxygen sensor (h02s)
• Brake light switch
• Cam adjustment actuator 10 (above actuator 10 bank 2 cylinders)
• Cam adjustment actuator 11 (above actuator 11 bank 2 cylinders)
• Cam adjustment actuator 12 (above actuator 12 bank 2 cylinders)
• Cam adjustment actuator 7 (above actuator 7 bank 2 cylinders)
• Cam adjustment actuator 8 (above actuator 8 bank 2 cylinders)
• Cam adjustment actuator 9 (above actuator 9 bank 2 cylinders)
• Climatronic control module
• Discontinued phased in modification
• Fuel pump (fp) control module
• Nca
• Red
• T12u
• T20e
• T32d
• Transfer fuel pump (fp) & fuel level sensor

3.2L, Engine Performance Wiring Diagram (5 of 8) for Audi A4 Quattro 2009

List of elements for 3.2L, Engine Performance Wiring Diagram (5 of 8) for Audi A4 Quattro 2009:

• (intake air temperature sensor: on throttle body) (manifold absolute pressure sensor: rear of engine) manifold absol- ute pressure/ intake air temperature sensor
• (left side of center tunel) g687
• (w/ all wheel drive) fuel level sensor 2
• Auxiliary engine coolant (ec) pump relay
• Camshaft adjustment valve 1 (exhaust) (right side of cylinder bank 1)
• Camshaft adjustment valve 1 (rear of cylinder bank 1)
• Camshaft adjustment valve 2 (exhaust) (rear of cylinder bank 2)
• Camshaft adjustment valve 2 (rear of cylinder bank 2)
• Climatronic control module
• Climatronic refrigerant shut-off valve (on refrigerant tube)
• Computer data lines system
• Fuse 5a
• Fuse carrier
• Hot at all times
• Instrument cluster control module (behind instrument cluster)
• Left electro-hydraulic engine mount solenoid valve (if equipped)
• Passenger's side fuse panel (behind right end of dash)
• Red
• T20e

3.2L, Engine Performance Wiring Diagram (6 of 8) for Audi A4 Quattro 2009

List of elements for 3.2L, Engine Performance Wiring Diagram (6 of 8) for Audi A4 Quattro 2009:

• (front of cylinder bank 1) camshaft position (cmp) sensor
• (front of cylinder bank 2) camshaft position (cmp) sensor 2
• (left side of cylinder bank 2) camshaft position (cmp) sensor 4
• (lower left rear of engine) engine coolant temperature (ect) sensor
• (lower left rear of engine) engine speed (rpm) sensor
• (on high pressure pump) low fuel pressure sensor
• (right side of cylinder bank 1) camshaft position (cmp) sensor 3
• (under intake manifold) fuel pressure sensor
• (w/ ulve2) secondary air injection sensor 1
• Engine control module (ecm) (left side of engine compt plenum chamber)
• Intake manifold tuning valve position sensor (front of engine)
• Knock sensor (ks) 1 (under intake manifold, on cylinder bank 1)
• Knock sensor (ks) 2 (under intake manifold, on cylinder bank 2)
• Nca
• Red
• T60

3.2L, Engine Performance Wiring Diagram (7 of 8) for Audi A4 Quattro 2009

List of elements for 3.2L, Engine Performance Wiring Diagram (7 of 8) for Audi A4 Quattro 2009:

• 50a
• Evaporative emission (evap) canister purge regulator valve (rear of engine)
• Fuel metering valve (on high pressure pump)
• G615 (on left strut tower)
• Intake manifold tuning (imt) valve (front of engine)
• Leak detection pump (ldp)
• Oil pressure regulator valve (lower left front of engine)
• Red
• Second- ary air injection (air) pump fuse
• Secondary air injection (air) pump motor (w/ eu5/ulev2) (right front of engine compt)
• Secondary air injection (air) pump relay (w/ eu5/ulev2) (on e-box relay/ fuse carrier)
• Secondary air injection (air) solenoid valve (w/ ulev2)
• Secondary air injection (air) solenoid valve 2 (w/ ulev2)

3.2L, Engine Performance Wiring Diagram (8 of 8) for Audi A4 Quattro 2009

List of elements for 3.2L, Engine Performance Wiring Diagram (8 of 8) for Audi A4 Quattro 2009:

• (above bank 1 cylinder) fuel injectors
• (above bank 2 cylinder) fuel injectors
• (not used) 12 pin connector
• Coil 1
• Coil 2
• Coil 3
• Coil 4
• Coil 5
• Coil 6
• Computer data lines system
• Engine control module (ecm) (left side of engine compt plenum chamber)
• G600
• G601
• G615 (on left front strut tower)
• Ignition coil w/ power outlet stage (coil 1, 2 & 3 : above bank 1 cylinders) (coil 4, 5 & 6 : above bank 2 cylinders)
• Nca
• Starting/charging system
• Starting/charging system cruise control system
• T12u
• T60
• T94
• Throttle valve control module (on throttle valve housing)
• To spark plug