ENGINE PERFORMANCE – Audi Q7 3.0 TDI 2012 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L SC

3.0L SC, Engine Performance Wiring Diagram (1 of 7) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L SC, Engine Performance Wiring Diagram (1 of 7) for Audi Q7 3.0 TDI 2012:

• (right side of plenum chamber) g609
• 10a
• 13a
• 14a
• 15a
• 17a
• Accelerator pedal position (app) sensor 1 & 2
• Anti-theft system
• Cooling fans system
• Engine control module (right rear of engine compt)
• Fuse 10a
• Fuse 150a
• Fuse 15a
• Fuse 30a
• Fuse 5a
• Fuse panel d (below driver seat)
• Heated oxygen sensor (ho2s) 2 & oxygen sensor (o2s) heater 2 (exhaust pipe, before catalytic converter)
• Hot at all times
• Multi-function transmission range switch
• Nca
• Oxygen sensor (02s) 2 after three way catalytic (twc) converter & heater for oxygen sensor 2 after catalytic converter
• Oxygen sensor (o2s) after three way catalytic (twc) converter & heater for oxygen sensor 1 after catalytic converter
• Red
• Relay & fuse panel e-box (left side of plenum chamber)
• Starting/charging system
• T10c
• T10e
• T10m
• T10p
• T17d
• T6k
• T94

3.0L SC, Engine Performance Wiring Diagram (2 of 7) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L SC, Engine Performance Wiring Diagram (2 of 7) for Audi Q7 3.0 TDI 2012:

• (left engine compt) oil pressure regulation valve
• (left side of plenum chamber) relay & fuse panel e-box
• (rear of right cylinder head)
• Brake light disable relay
• Camshaft adjustment valve 1
• Camshaft adjustment valve 2 (rear of left cylinder head)
• Charge air cooling pump
• Climatronic control module (in upper center console)
• Evaporative emission (evap) canister purge regulator valve
• Fuel metering valve
• G609 (right side of plenum chamber)
• G664 (behind left side of dash)
• G671 (left front long member)
• High pressure sensor (evaporator expansion valve, under right side of dash)
• Intake manifold runner control (imrc) valve
• Leak detection pump (ldp)
• Red
• Relay & fuse carrier (center instrument panel)
• Secondary air injection (air) solenoid valve
• Secondary air injection (air) solenoid valve 2
• T10d
• T10e
• T10m
• T14l
• T16d
• T17d

3.0L SC, Engine Performance Wiring Diagram (3 of 7) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L SC, Engine Performance Wiring Diagram (3 of 7) for Audi Q7 3.0 TDI 2012:

• Computer data lines system
• Cruise control system
• Display unit
• Engine control module (right rear of engine compt)
• Engine coolant level/ temperature (ecl/ect) warning lamp
• Fuel gauge
• Fuse 50a
• Fuse 5a
• Fuse holder 3
• Fuse panel b (left instrument panel)
• G45 (behind center of dash)
• Heated oxygen sensor & oxygen sensor (o2s) heater (exhaust pipe, before catalytic converter)
• Hot at all times
• Instrument cluster control module
• Nca
• Oil level thermal sensor (lower oil pan)
• Oil pressure warning lamp
• Red
• Relay & fuse panel e-box (left side of plenum chamber)
• Starting/charging system
• T10c
• T10f
• T32a
• T94

3.0L SC, Engine Performance Wiring Diagram (4 of 7) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L SC, Engine Performance Wiring Diagram (4 of 7) for Audi Q7 3.0 TDI 2012:

• (charge air pressure sensor: left front of engine compt) intake manifold temperature sensor & charge air pressure sensor
• (intake air temperature sensor: right side of supercharger) (manifold absolute pressure sensor: throttle end of supercharger) intake air temperature (iat) & manifold absolute pressure (map) sensor
• (left side of plenum chamber) relay & fuse panel e-box
• Brake light switch & brake pedal switch (brake pedal assembly)
• Control valve control module
• Engine coolant level (ecl) warning switch
• Fuel level sensor 2 (left side fuel tank)
• Fuel level sensor, transfer fuel pump (fuel level sensor: right side fuel tank)
• Fuel pump (fp) control module (fuel tank)
• G44 (behind left kick panel)
• G61 (w/o tank prewiring) (base of left 'c' pillar)
• G62 (base of right "c" pillar)
• G62 (w/ tank prewiring) (base of right 'c' pillar)
• G685 (right front long member)
• Intake air temperature (iat) sensor 2 & charge air pressure sensor 2
• Secondary air injection (air) pump motor
• Secondary air injection (air) pump relay
• T17d
• T2k
• T5k
• W/ tank prewiring

3.0L SC, Engine Performance Wiring Diagram (5 of 7) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L SC, Engine Performance Wiring Diagram (5 of 7) for Audi Q7 3.0 TDI 2012:

• (front of engine) engine coolant temperature (ect) sensor
• (front of right cylinder head) fuel pressure sensor
• (left cylinder head) camshaft position (cmp) sensor 2
• (left front of intake manifold) intake manifold runner position sensor 2
• (rear of right cylinder head) camshaft position (cmp) sensor
• (right front of intake manifold) intake manifold runner position sensor
• (right side of engine above cylinder head) low fuel pressure sensor
• 19a
• 19c
• 19d
• 19e
• After run coolant pump
• Auxiliary engine coolant pump relay
• Engine speed (rpm) sensor (transmission bell housing)
• Fuse 5a
• G645
• Knock sensor (ks) 1 (under intake manifold, on right cylinder head)
• Knock sensor (ks) 2 (under intake manifold, on right cylinder head)
• Oil pressure switch (top front of engine)
• Red
• Reduced oil pressure switch
• Relay & fuse panel e-box (left side of plenum chamber)
• Secondary air injection sensor 1
• T10m
• T114l
• T14f
• T14l
• T17d

3.0L SC, Engine Performance Wiring Diagram (6 of 7) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L SC, Engine Performance Wiring Diagram (6 of 7) for Audi Q7 3.0 TDI 2012:

• (on supercharger) throttle valve control module
• 16a
• Cylinder fuel injectors (cylinder head assembly)
• Fuse 30a
• G600
• G645
• Ignition coils w/ power output stage (top of 1, 2, 3, 4, 5 & 6 spark plug)
• Nca
• Red
• Relay & fuse panel e-box (left side of plenum chamber)
• T14f
• T14l
• T6k
• To spark plug

3.0L SC, Engine Performance Wiring Diagram (7 of 7) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L SC, Engine Performance Wiring Diagram (7 of 7) for Audi Q7 3.0 TDI 2012:

• (right rear of engine compt)
• (under front passenger's seat)
• 8a red
• Air blower
• Antenna amplifier
• Auxiliary heater control module
• Auxiliary heater rf receiver (right side of luggage compt)
• Combustion
• Computer data lines system
• Engine control module (ecm)
• Engine coolant (ec) switch-off valve (heater)
• Fuse 20a
• Fuse 5a
• Fuse holder 1
• Fuse panel b (left instrument panel)
• Fuse panel f (right side of luggage compt)
• G35
• G51 (right side of luggage compt)
• G640 (left side of engine compt)
• G669 (right "d" pillar)
• Glow plug
• Heat fuse
• Heater over
• Hot at all times
• Metering pump
• Nca
• Red
• Sensor
• T2b
• T2p
• T60
• T6b
• T6u
• Temperature

3.0L TURBO DIESEL

3.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 9) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 9) for Audi Q7 3.0 TDI 2012:

• (base of
• (downstream of catalyst) exhaust gas temperature (egt) sensor 3
• (fuel tank) fuel pump control module
• (top center of engine) egr temperature sensor
• (turbocharger assembly) exhaust gas temperature (egt) sensor 1
• Accelerator pedal position sensor & accelerator pedal position sensor 2 (accelerator pedal position sensor: accelerator pedal assembly)
• Access/start control module (integral to steering column lock actuator)
• Differential pressure sensor
• Engine control module (ecm) (right rear of engine compt)
• Exhaust gas recirculation (egr) motor (top front of engine)
• G609 (right side of plenum chamber)
• G62
• G62 (base of right "c" pillar)
• Mass air flow (maf) sensor (air intake duct at filter housing)
• Multi-function transmission range (tr) switch
• Red
• Right "c" pillar)
• Starting/charging system
• T10c
• T10d
• T10e
• T10m
• T10p
• T14k
• T17d
• T17e
• T20e
• T91
• Transfer fuel pump
• Turbocharger (tc) control module (turbocharger assembly)

3.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 9) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 9) for Audi Q7 3.0 TDI 2012:

• Automatic glow time control module (in left plenum chamber)
• Auxiliary heater heating element
• G45 (behind center of dash)
• G51 (right side of luggage compt)
• G609 (right side of plenum chamber)
• Glow plug
• Preheating coolant, high heat output relay
• Preheating coolant, low heat output relay
• Red
• Reducing agent pump, reducing agent pump heater & reducing agent metering system pressure sensor
• Relay & fuse panel e-box (left side of plenum chamber)
• T14k
• T17e
• T2bg
• T8al

3.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 9) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 9) for Audi Q7 3.0 TDI 2012:

• 17a
• Cylinder 2 combustion chamber pressure sensor & glow plug 2
• Cylinder 5 combustion chamber pressure sensor & glow plug 5
• Fuse 10a
• Fuse 150a
• Fuse 40a
• Fuse 5a
• Fuse 80a
• Fuse carrier
• Fuse panel b (left instrument panel)
• Fuse panel d (below driver seat)
• G35 (under front passenger's seat)
• G44 (behind left kick panel)
• Hot at all times
• Injector
• Nox sensor 2 control module (under rear of vehicle)
• Nox sensor control module (left side of engine compt)
• Red
• Reducing agent
• Relay & fuse panel e-box (left side of plenum chamber)
• T10c
• T10m
• T14k
• T17e

3.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 9) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 9) for Audi Q7 3.0 TDI 2012:

• 10a
• 11a
• 12a
• 13a
• 14a
• 15a
• 16a
• 18a
• Computer data lines system
• Cruise control system
• Engine control module (ecm) (right rear of engine compt)
• Exterior lights system
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 5a
• G609 (right side of plenum chamber)
• Red
• Reduced oil pressure switch
• Relay & fuse panel e-box (left side of plenum chamber)
• Starting/charging system
• T10e
• T10m
• T14k
• T17e
• T91
• Throttle valve control module (intake manifold)

3.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 9) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 9) for Audi Q7 3.0 TDI 2012:

• (rear of engine) coolant pump
• Abs control module (right plenum chamber)
• Brake light disable relay
• Brake light switch & break pedal switch (brake pedal assembly)
• Charge air cooler bypass control unit
• Climatronic control module (in upper center console)
• Coolant circulation pump relay (relay & fuse panel/ instrument panel center)
• Exhaust gas recirculation (egr) cooler pump (right front of engine)
• Exterior lights system
• Fuse 5a
• Fuse holder
• Fuse panel c (right rear engine compt)
• G44 (behind left kick panel)
• G609 (right side of plenum chamber)
• G640 (left side of engine compt)
• G664 (behind left side of dash)
• Heated oxygen sensor (ho2s) & oxygen sensor (o2s) heater (exhaust pipe, before catalytic converter)
• High pressure sensor (evaporator expansion valve, under right side of dash)
• Nca
• Red
• Relay & fuse carrier (center instrument panel)
• T10c
• T10d
• T14k
• T16c
• T16d
• T17d
• T47a

3.0L Turbo Diesel, Engine Performance Wiring Diagram (6 of 9) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (6 of 9) for Audi Q7 3.0 TDI 2012:

• (left side fuel tank) fuel level sensor 2
• (rear of right cylinder bank) camshaft position (cmp) sensor
• (right side fuel tank) fuel level sensor 1
• Computer data lines system
• Display unit
• Engine coolant
• Engine coolant level/temperature (ecl/ect) warning lamp
• Fuel gauge
• G45 (behind center of dash)
• G609 (right side of plenum chamber)
• Instrument cluster control module
• Level (ecl) warning switch
• Oil level thermal sensor (lower oil pan)
• Oil pressure
• Oil pressure warning ind lamp
• Red
• Switch (top front of engine)
• T10f

3.0L Turbo Diesel, Engine Performance Wiring Diagram (7 of 9) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (7 of 9) for Audi Q7 3.0 TDI 2012:

• (left engine compt) oil pressure regulation valve
• (top center of engine) exhaust gas recirculation (egr) cooler switch over valve
• Exhaust gas recirculation (egr) cooler switch over valve 2
• Fuse 30a
• Fuse holder
• Fuse panel f (right side of luggage compt)
• G51 (right side of luggage compt)
• G77 (base of left "b" pillar)
• Hot at all times
• Red
• Reducing agent line heater
• Reducing agent metering system control module (under the rear bench seat below floor covering)
• Reducing agent tank heater
• Reducing agent tank sensor & reducing agent temperature sensor
• Reducing agent transfer pump

3.0L Turbo Diesel, Engine Performance Wiring Diagram (8 of 9) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (8 of 9) for Audi Q7 3.0 TDI 2012:

• (downstream of particle filter) exhaust gas temperature (ect) sensor 4
• (left side of radiator) engine coolant temperature (ect) sensor (on radiator)
• (right rear of engine) engine coolant temperature sensor
• Engine control module (ecm) (right rear of engine compt)
• Red
• T105
• T10m
• T14k

3.0L Turbo Diesel, Engine Performance Wiring Diagram (9 of 9) for Audi Q7 3.0 TDI 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (9 of 9) for Audi Q7 3.0 TDI 2012:

• (cylinder head assembly) fuel injector cylinders
• (right rear of engine) fuel pressure regulator valve
• (top center of engine) fuel metering valve
• (top right rear of engine) fuel temperature sensor
• Charge air pressure sensor & intake air temperature (iat) sensor (charge air pressure sensor: left front of engine compt) (intake air temperature sensor: left side of engine compt)
• Cooling fans system
• Engine control module (ecm) (right rear of engine compt)
• Engine speed (rpm) sensor (transmission bell housing)
• Fuel pressure sensor (top left side of engine)
• Intake flap motor (intake manifold)
• Intake flap motor 2
• Red
• T105
• T17d