ENGINE PERFORMANCE – Audi A6 Quattro 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.2L

3.2L, Engine Performance Wiring Diagram (1 of 4) for Audi A6 Quattro 2008

List of elements for 3.2L, Engine Performance Wiring Diagram (1 of 4) for Audi A6 Quattro 2008:

• (right side of firewall) g646
• 14a
• Anti-theft system transmission system
• Brake- light switch (on brake pedal assembly)
• Comfort system central control module
• Cooling fans system
• Cruise control system
• Engine control module
• Exterior lights system
• Fuse 15a
• Fuse 5a
• Fuse panel a
• Fuse panel b
• Heated oxygen sensor
• Heated oxygen sensor (behind twc)
• Heated oxygen sensor 2
• Heated oxygen sensor 2 (behind twc)
• Hot at all times
• Intake manifold tuning (imt) valve position sensor (front of engine)
• Nca
• Partial
• Red
• Starting/ charging system
• T10y
• T94a
• Throttle position (tp) & accelerator pedal position (app) sensors
• Transmissions system

3.2L, Engine Performance Wiring Diagram (2 of 4) for Audi A6 Quattro 2008

List of elements for 3.2L, Engine Performance Wiring Diagram (2 of 4) for Audi A6 Quattro 2008:

• (front of engine) engine coolant temperature (ect) sensor
• (left front of engine) low fuel pressure sensor
• (left rear of engine) intake manifold runner position sensor 2
• (left side of engine) camshaft position sensor 4
• (on right cylinder bank) camshaft position sensor 3
• (rear of engine compt) intake air temperature sensor
• (right front of engine) intake manifold runner position sensor
• (top left front of engine) fuel pressure sensor
• (top of left cylinder bank) camshaft position sensor 2
• (top of right cylinder bank) camshaft position sensor
• Engine speed (rpm) sensor (rear of engine)
• Evaporative emission (evap) canister purge regulator valve (at rear of engine compt)
• Fuel metering valve (left front of engine)
• Intake air switch -over valve (right side of engine compt)
• Intake change- over valve
• Intake manifold runner control (imrc) valve (rear of engine)
• Knock sensor (ks) 1 (top right side of engine)
• Knock sensor (ks) 2 (top left side of engine)
• Leak detection pump (ldp) (above left rear wheelwell)
• Nca

3.2L, Engine Performance Wiring Diagram (3 of 4) for Audi A6 Quattro 2008

List of elements for 3.2L, Engine Performance Wiring Diagram (3 of 4) for Audi A6 Quattro 2008:

• (at rear of engine) throttle valve control module
• (on right rear wheelwell) g51
• (under right front luggage compt floor) fuel pump control module
• Engine control module
• Fuel injectors
• Fuse 30a
• Fuse panel c
• Partial
• Red
• Relay holder (e-box) (in left plenum chamber e-box)
• T60a
• Transfer fuel pump

3.2L, Engine Performance Wiring Diagram (4 of 4) for Audi A6 Quattro 2008

List of elements for 3.2L, Engine Performance Wiring Diagram (4 of 4) for Audi A6 Quattro 2008:

• (left rear of engine) camshaft adjustment valve 2
• (left rear of engine) camshaft adjustment valve 2 (exhaust)
• (right rear of engine) camshaft adjustment valve 1
• (right rear of engine) camshaft adjustment valve 1 (exhaust)
• Coil 1
• Coil 2
• Coil 3
• Coil 4
• Coil 5
• Coil 6
• Computer data lines system
• Cooling fans system
• Engine control module
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Fuse 5a
• Fuse panel a
• G601
• G645 (left side of firewall)
• G646 (right side of firewall)
• Left electro- hydraulic engine mount solenoid (left front of engine compt)
• Nca
• Partial
• Red
• Right electro- hydraulic engine mount solenoid (right front of engine compt)
• T60a
• T94a
• To spark plug

4.2L

4.2L, Engine Performance Wiring Diagram (1 of 5) for Audi A6 Quattro 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (1 of 5) for Audi A6 Quattro 2008:

• (left side of engine) low fuel pressure sensor
• (right side of engine compt) mass air flow (maf)/intake air temperature (iat) sensor
• (right side of firewall) g646
• (top of left cylinder bank) camshaft position sensor 2
• (top of right cylinder bank) camshaft position sensor 4
• 14a
• Anti-theft system starting/ charging system
• Brake booster pressure sensor
• Cooling fans system
• Cruise control system
• Engine control module (in right plenum chamber)
• Fuse 5a
• Fuse panel b
• Heated oxygen sensor
• Heated oxygen sensor (behind twc)
• Heated oxygen sensor 2
• Heated oxygen sensor 2 (behind twc)
• Hot at all times
• Nca
• Partial
• Red
• T94a
• Transmissions system

4.2L, Engine Performance Wiring Diagram (2 of 5) for Audi A6 Quattro 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (2 of 5) for Audi A6 Quattro 2008:

• (front of engine) intake flap motor
• (front of motor) variable intake manifold runner motor
• (left rear of engine) camshaft adjustment valve 2
• (left rear of engine) camshaft adjustment valve 2 (exhaust)
• (right rear of engine) camshaft adjustment valve 1
• (right rear of engine) camshaft adjustment valve 1 (exhaust)
• (right side of firewall) g646
• Brake-light switch (on brake pedal assembly)
• Camshaft position sensor
• Comfort system central control module
• Cooling fans system
• Exterior lights system
• Fuel pump control module (under right front luggage compt floor)
• Fuse 30a
• Fuse panel c
• G51 (on right rear wheelwell)
• Map controlled engine cooling thermostat
• T10y
• Throttle position (tp) & accelerator pedal position (app) sensors
• Transfer fuel pump

4.2L, Engine Performance Wiring Diagram (3 of 5) for Audi A6 Quattro 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (3 of 5) for Audi A6 Quattro 2008:

• (front of engine) intake manifold runner position sensor
• (front of engine) intake manifold runner position sensor 2
• (on right cylinder bank) camshaft position sensor 3
• (rear of engine compt) engine coolant temperature (ect) sensor
• (top right front of engine) fuel pressure sensor
• Engine control module (in right plenum chamber)
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Fuse 5a
• Fuse panel a
• Knock sensor (ks) 1 (top right front of engine)
• Knock sensor (ks) 2 (top right side of engine)
• Knock sensor 3 (top left front of engine)
• Knock sensor 4 (top left rear of engine)
• Nca
• Partial
• Red
• T60a

4.2L, Engine Performance Wiring Diagram (4 of 5) for Audi A6 Quattro 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (4 of 5) for Audi A6 Quattro 2008:

• (above left rear wheelwell) leak detection pump (ldp)
• (at rear of engine) evaporative emission canister purge regulator valve
• (left front of engine compt) left electro- hydraulic engine mount solenoid valve
• (right front of engine compt) right electro- hydraulic engine mount solenoid valve
• (right side of engine compt) intake air switch- over valve
• (top left side of engine) fuel metering valve 2
• (top right side of engine) fuel metering valve
• 4-position relay & fuse panel (in right plenum chamber e-box)
• Coil 1
• Coil 2
• Coil 3
• Coil 4
• Coil 5
• Coil 6
• Coil 7
• Coil 8
• Fuse 50a
• G600
• G601
• G645 (left side of firewall)
• G646 (right side of firewall)
• Hot at all times
• Nca
• Red
• Secon- dary air injection (air) pump relay
• To spark plug

4.2L, Engine Performance Wiring Diagram (5 of 5) for Audi A6 Quattro 2008

List of elements for 4.2L, Engine Performance Wiring Diagram (5 of 5) for Audi A6 Quattro 2008:

• Brake booster relay
• Brake system vacuum pump (left side of engine compt)
• Computer data lines system
• Engine control module (in right plenum chamber)
• Engine speed (rpm) sensor (rear of engine)
• Fuel injectors
• G614 (right side engine compt)
• G645 (left side of firewall)
• Partial
• Red
• Relay holder (e-box) (in left plenum chamber e-box)
• Secondary air injection (air) pump motor (below right headlight assembly)
• Starting/ charging system
• T60a
• T94a
• Throttle valve control module (at rear of engine)