ENGINE PERFORMANCE – Audi RS 4 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.2L

4.2L, Engine Performance Wiring Diagram (1 of 8) for Audi RS 4 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (1 of 8) for Audi RS 4 2008:

• (left rear of engine) camshaft adj- ustment valve 2
• (left rear of engine) camshaft adjust- ment valve 2 (exhaust)
• (on air intake duct) mass air flow (maf)/intake air temperature (iat) sensor
• (on right side of brake booster) brake booster pressure sensor
• (rear of engine) low fuel pressure sensor
• (right rear of engine) camshaft adj- ustment valve 1
• (right rear of engine) camshaft adjust- ment valve 1 (exhaust)
• Clutch pedal switch (on clutch pedal mounting bracket)
• Comfort system central control module (below driver's seat)
• Cooling fans system
• Cruise control system
• Engine control module (ecm) (left engine compt plenum chamber, in e-box)
• G18
• Heated oxygen sensor (ho2s) (upstream of cylinder bank 1 catalytic converter)
• Nca
• Oxygen sensor (o2s) behind 3-way catalytic converter (twc) (downstream of cylinder bank 1 3-way catalytic converter)
• Starting/ charging system
• T12h
• T94

4.2L, Engine Performance Wiring Diagram (2 of 8) for Audi RS 4 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (2 of 8) for Audi RS 4 2008:

• (front of engine) fuel pressure sensor
• (right front of engine) intake manifold runner position sensor
• (right rear of engine) engine coolant temperature (ect) sensor
• (right side of cylinder bank 1) camshaft position sensor
• (right side of engine) camshaft position sensor 3
• 228a
• Brake light switch f (on brake pedal mounting bracket)
• Exterior lights & anti-lock brakes system
• Fuel pump control module
• Fuse 30a
• Fuse panel
• G78 (right "b" pillar)
• Throttle position (tp)/ accelerator pedal position (app) sensor 2 (at accelerator pedal)
• Transfer fuel pump

4.2L, Engine Performance Wiring Diagram (3 of 8) for Audi RS 4 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (3 of 8) for Audi RS 4 2008:

• (left engine compt plenum chamber, in e-box) engine control module (ecm)
• Computer data lines system
• Fuel injectors (top of cylinder bank 1)
• Knock sensor (ks) 1 (top front of cylinder bank 1)
• Knock sensor (ks) 2 (top rear of cylinder bank 1)
• Nca
• Plenum chamber electronics box connector
• Red
• Starting/ charging system
• T17j
• T94
• Throttle valve control module (behind intake manifold, on throttle valve housing)

4.2L, Engine Performance Wiring Diagram (4 of 8) for Audi RS 4 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (4 of 8) for Audi RS 4 2008:

• 14a
• 43a
• Brake vacuum pump fuse
• Cb 15a
• Engine control module (ecm) (left engine compt plenum chamber, in e-box)
• Engine control module fuse
• Engine electronics fuse 1
• Engine electronics fuse 2
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Fuse holder
• Fuse holder/ relay panel
• Heated oxygen sensor circuit breaker
• Hot at all times
• Hot in run or start
• Red
• Safety fuse 1
• T60

4.2L, Engine Performance Wiring Diagram (5 of 8) for Audi RS 4 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (5 of 8) for Audi RS 4 2008:

• (front of engine) intake manifold runner control valve
• (in left rear wheel well) leak detection pump (ldp)
• (left rear of engine) evaporative emission canister purge regulator valve
• (right front of engine compt) intake air switch-over valve
• (top left side of engine) fuel metering valve 2
• (top of engine) secondary air injection (air) solenoid valve
• Cooling fans system
• Exhaust flap valve 1
• Fuel metering valve
• G12 (left rear of engine compt)
• G18
• G19
• Ignition coils (coils 1,2,3,4 : right side of engine) (coils 5,6,7,8 : left side of engine)
• Nca
• Red
• Right electro- hydraulic engine mount solenoid valve
• To spark plug

4.2L, Engine Performance Wiring Diagram (6 of 8) for Audi RS 4 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (6 of 8) for Audi RS 4 2008:

• (left rear of engine) intake manifold runner position sensor 2
• (left side of cylinder bank 2) camshaft position sensor 4
• (right front of engine compt) secondary air injection (air) pump motor
• (top of cylinder bank 2) camshaft position sensor 2
• Engine speed (rpm) sensor (rear of engine)
• Fuel injectors (top of cylinder bank 2)
• Fuse 50a
• G12 (left rear of engine compt)
• Knock sensor (ks) 3 (top front of cylinder bank 2)
• Knock sensor (ks) 4 (top rear of cylinder bank 2)
• Nca
• Red
• Relay holder
• Secon- dary air injection (air) pump relay
• Secondary air injection pump fuse

4.2L, Engine Performance Wiring Diagram (7 of 8) for Audi RS 4 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (7 of 8) for Audi RS 4 2008:

• Brake booster relay
• Brake system vacuum pump (left side of engine compt)
• Cooling fans system
• Engine control module (ecm) 2 (right rear of engine compt)
• G18
• Power distribution system
• Red
• Relay holder
• T60a

4.2L, Engine Performance Wiring Diagram (8 of 8) for Audi RS 4 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (8 of 8) for Audi RS 4 2008:

• (right rear of engine compt) engine control module (ecm) 2
• Computer data lines system
• Engine control module (ecm) 2 (right rear of engine compt)
• G12 (left rear of engine compt)
• G18
• Generator warning indicator
• Heated oxygen sensor 2 (upstream of cylinder bank 2 catalytic converter)
• Instrument cluster control module
• Left electro- hydraulic engine mount solenoid valve
• Nca
• Oxygen sensor (o2s) 2 behind 3-way catalytic converter (twc) (downstream of cylinder bank 2 3-way catalytic converter)
• Red
• T32
• T94a