ENGINE PERFORMANCE – Audi A8 Quattro 2010 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.2L

4.2L, Engine Performance Wiring Diagram (1 of 5) for Audi A8 Quattro 2010

List of elements for 4.2L, Engine Performance Wiring Diagram (1 of 5) for Audi A8 Quattro 2010:

• (rear of cylinder bank 2) camshaft position sensor 4
• (top of cylinder bank 2) camshaft position sensor 2
• (top of cylinder bank 2) low fuel pressure sensor
• Anti-lock brakes system
• Anti-theft system starting/ charging system
• Brake booster pressure sensor
• Brake pedal switch & brake light switch
• Comfort system central control module (right side of luggage compt)
• Cooling fans system
• Cruise control system
• Engine control module (ecm) (in passenger's side plenum chamber e-box)
• Fuse 5a
• G43 (behind right kick panel)
• G44 (behind left kick panel)
• Heated oxygen sensor (downstream of right 3-way catalytic converter)
• Heated oxygen sensor (upstream of right 3-way catalytic converter)
• Heated oxygen sensor 2 (downstream of left 3-way catalytic converter)
• Heated oxygen sensor 2 (upstream of left 3-way catalytic converter)
• Kick down switch (under accelerator pedal)
• Mass air flow (maf) sensor & intake air temperature sensor
• Nca
• Partial
• Right instrument panel fuse holder (in right end of dash)
• Starting/ charging system
• T10q
• T94
• Transmissions system

4.2L, Engine Performance Wiring Diagram (2 of 5) for Audi A8 Quattro 2010

List of elements for 4.2L, Engine Performance Wiring Diagram (2 of 5) for Audi A8 Quattro 2010:

• (rear of cylinder bank 1) camshaft adjustment valve 1
• (rear of cylinder bank 1) camshaft adjustment valve 1 (exhaust)
• (rear of cylinder bank 2) camshaft adjustment valve 2
• (rear of cylinder bank 2) camshaft adjustment valve 2 (exhaust)
• (top of cylinder bank 1) camshaft position sensor
• 22a
• Anti-lock brakes system
• Fuel pump
• Fuel pump control module
• Fuel pump relay (on right kick panel relay & fuse panel)
• Fuse 40a
• Fuse 5a
• G51 (right rear of luggage compt)
• G675 (right side of luggage compt)
• Hot at all times
• Intake manifold runner control valve
• Intake manifold runner control valve 2
• Left instrument panel fuse holder (in left end of dash)
• Map controlled engine cooling thermostat
• Right luggage compartment fuse panel (right side of luggage compt)
• Throttle position & accelerator pedal position sender 2 (on accelerator pedal)
• Transfer fuel pump

4.2L, Engine Performance Wiring Diagram (3 of 5) for Audi A8 Quattro 2010

List of elements for 4.2L, Engine Performance Wiring Diagram (3 of 5) for Audi A8 Quattro 2010:

• (front of cylinder bank 1) intake manifold runner position sensor
• (front of cylinder bank 2) intake manifold runner position sensor 2
• (rear of cylinder bank 1) engine coolant temperature (ect) sensor
• (right side of cylinder bank 1) camshaft position sensor 3
• Engine control module (ecm) (in passenger's side plenum chamber e-box)
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Knock sensor 1 (inner side of cylinder bank 1)
• Knock sensor 2 (inner side of cylinder bank 1)
• Knock sensor 3 (inner side of cylinder bank 2)
• Knock sensor 4 (inner side of cylinder bank 2)
• Nca
• Red
• Right instrument panel fuse holder (in right end of dash)
• T60
• Top front of engine fuel pressure sensor

4.2L, Engine Performance Wiring Diagram (4 of 5) for Audi A8 Quattro 2010

List of elements for 4.2L, Engine Performance Wiring Diagram (4 of 5) for Audi A8 Quattro 2010:

• (in left rear wheel well) leak detection pump (ldp)
• (left side of engine compt) left electro- hydraulic engine mount solenoid valve
• (right front of engine compt) intake air switch- over valve
• (right front of engine) right electro- hydraulic engine mount solenoid valve
• (top of cylinder bank 1) fuel metering valve
• (top of cylinder bank 2) fuel metering valve 2
• 1a red
• 3a red
• Coil 1
• Coil 2
• Coil 3
• Coil 4
• Coil 5
• Coil 6
• Coil 7
• Coil 8
• Evaporative emission canister purge regulator valve
• Fuse 150a
• Fuse 50a
• G15
• G17
• G43 (behind right kick panel)
• Hot at all times
• Ignition coils (1, 2, 3, 4: top of cylinder bank 1) (5, 6, 7, 8: top of cylinder bank 2)
• Nca
• Plenum chamber e-box relay panel
• Red
• Right luggage compartment fuse holder (right side of luggage compt)
• Secondary air injection (air) pump relay
• To spark plug

4.2L, Engine Performance Wiring Diagram (5 of 5) for Audi A8 Quattro 2010

List of elements for 4.2L, Engine Performance Wiring Diagram (5 of 5) for Audi A8 Quattro 2010:

• Brake booster relay
• Brake system vacuum pump
• Computer data lines system
• Cooling fans system
• Engine control module (ecm) (in passenger's side plenum chamber e-box)
• Engine speed (rpm) sensor (left rear of engine)
• Evaporative emission canister purge solenoid valve 2 (left rear of engine)
• Fuel injectors
• G43 (behind right kick panel)
• G44 (behind left kick panel)
• Plenum chamber e-box relay panel
• Red
• Right luggage compartment fuse holder (right side of luggage compt)
• Secondary air injection (air) pump motor (between right front bumper & wheelwell liner)
• Starting/ charging system
• T60
• T94
• Throttle valve control module (behind intake manifold, on throttle valve housing)