ENGINE PERFORMANCE – Audi allroad Quattro 2005 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.7L TURBO

2.7L Turbo, Engine Performance Wiring Diagram (1 of 4) for Audi allroad Quattro 2005

List of elements for 2.7L Turbo, Engine Performance Wiring Diagram (1 of 4) for Audi allroad Quattro 2005:

• (behind twc) heated oxygen sensor (o2s) 2
• 13a
• Brakelight switch/ brake pedal switch
• Clutch vacuum vent valve switch (w/m/t)
• Computer data lines system
• Cruise control system
• Fuse 10a
• Fuse panel (left end of dash)
• G12 (left side of engine compt)
• Heated oxygen sensor (ho2s) 1
• Heated oxygen sensor (ho2s) 2
• Hot at all times
• Idle air control cut-off valve
• Intake air temperature (iat) sensor
• Mass airflow (maf) sensor
• Motronic engine control module (ecm) in electronic box, on leftside of fresh air plenum)
• Nca
• Red
• Secondary air injection (air) solenoid valve
• Throttle position (tp) sensor/ accelerator pedal position sensor

2.7L Turbo, Engine Performance Wiring Diagram (2 of 4) for Audi allroad Quattro 2005

List of elements for 2.7L Turbo, Engine Performance Wiring Diagram (2 of 4) for Audi allroad Quattro 2005:

• 3-fold relay panel (left rear of engine compt)
• A/c control head
• Brake booster pressure sensor (w/a/t)
• C15
• Camshaft adjustment valve 1
• Camshaft adjustment valve 2
• Camshaft position (cmp) sensor 1
• Camshaft position (cmp) sensor 2
• Charge air temperature sensor
• Data link connector (dlc)
• Engine coolant temperature (ect) sensor
• Engine speed (rpm) sensor
• Exhaust temperature sensor
• Fuse 15a
• Fuse 40a
• G12 (left side of engine compt)
• Hot at all times
• Instrument cluster
• Leak detection pump (ldp)
• Malfunction indicator lamp (mil)
• Nca
• Red
• Secondary air injection (air) pump motor
• Secondary air injection pump relay
• T32/1
• T32/11
• T32a/28

2.7L Turbo, Engine Performance Wiring Diagram (3 of 4) for Audi allroad Quattro 2005

List of elements for 2.7L Turbo, Engine Performance Wiring Diagram (3 of 4) for Audi allroad Quattro 2005:

• 28a
• 34a
• 87a
• 87f
• Battery
• Fuel pump (fp)
• Fuel pump (fp) relay
• Fuse 150a
• Fuse 15a
• Fuse 20a
• Fuse panel (left end of dash)
• G12 (left side of engine compt)
• G18 (on engine block)
• G44 (on lower left "a" pillar)
• Hot at all times
• Ignition coil 1 (w/ power output stage)
• Ignition coil 2 (w/ power output stage)
• Ignition coil 3 (w/ power output stage)
• Ignition coil 4 (w/ power output stage)
• Ignition coil 5 (w/ power output stage)
• Ignition coil 6 (w/ power output stage)
• Ignition/ starter switch
• Knock sensor (ks) 1
• Knock sensor (ks) 2
• Micro central electric panel (behind left side of dash)
• Nca
• Off
• Plug spark
• Red
• Run
• Spark plug
• Start

2.7L Turbo, Engine Performance Wiring Diagram (4 of 4) for Audi allroad Quattro 2005

List of elements for 2.7L Turbo, Engine Performance Wiring Diagram (4 of 4) for Audi allroad Quattro 2005:

• (behind twc) heated oxygen sensor (o2s) 1
• (w/a/t) brake system vacuum pump
• 29a
• 32a
• Brake booster relay (w/a/t)
• Cruise control system
• Cylinder 1 fuel injector
• Cylinder 2 fuel injector
• Cylinder 3 fuel injector
• Cylinder 4 fuel injector
• Cylinder 5 fuel injector
• Cylinder 6 fuel injector
• Emergency flasher switch & air bag control module
• Evaporative emission (evap) canister purge regulator valve
• Fuse 15a
• Fuse 20a
• Fuse panel (left end of dash)
• G12 (left side of engine compt)
• Hot at all times
• Motronic engine control module (ecm) (in electronic box, on left side of fresh air plenum)
• Nca
• Red
• Relay panel
• Throttle valve control module
• Wastegate bypass regulator valve

4.2L

4.2L, Engine Performance Wiring Diagram (1 of 4) for Audi allroad Quattro 2005

List of elements for 4.2L, Engine Performance Wiring Diagram (1 of 4) for Audi allroad Quattro 2005:

• (left side of dash)
• (left side of dash) 3-fold relay panel
• (left side of engine compt) g12
• 13a
• 32a
• A/c system (if equipped)
• Brake- light switch
• Clutch vacuum vent valve switch (m/t)
• Computer data lines system
• Cooling fans system
• Cruise control
• Fuse 10a
• Fuse 20a
• Fuse 40a
• Fuse panel
• G12 (left side of engine compt)
• Heated oxygen sensor (ho2s) 1
• Heated oxygen sensor (ho2s) 2
• Hot at all times
• Ignition switch
• Motronic engine control module (ecm) (in electronic box, left side of fresh air plenum)
• Nca
• Off
• Red
• Run
• Secondary air injection (air) pump motor
• Secondary air injection (air) pump relay
• Start
• Throttle position (tp) sensor/accelerator pedal position sensor 2

4.2L, Engine Performance Wiring Diagram (2 of 4) for Audi allroad Quattro 2005

List of elements for 4.2L, Engine Performance Wiring Diagram (2 of 4) for Audi allroad Quattro 2005:

• 3-fold relay & fuse panel (lower left side of dash)
• Brake booster pressure sensor
• Brake booster relay
• Brake system vacuum pump
• Engine coolant temperature (ect) sensor
• Engine speed (rpm) sensor
• Evaporative emission (evap) canister purge regulator valve
• Fuse 15a
• G12 (left side of engine compt)
• Hot at all times
• Intake air change-over valve
• Knock sensor (ks) 1
• Knock sensor (ks) 2
• Knock sensor (ks) 3
• Knock sensor (ks) 4
• Leak detection pump (ldp)
• Mass airflow (maf) sensor
• Nca
• Secondary air injection (air) solenoid valve

4.2L, Engine Performance Wiring Diagram (3 of 4) for Audi allroad Quattro 2005

List of elements for 4.2L, Engine Performance Wiring Diagram (3 of 4) for Audi allroad Quattro 2005:

• (mil)
• Camshaft position (cmp) sensor
• Camshaft position (cmp) sensor 2
• Coil
• Data link connector (dlc)
• Engine electronics fuse (3-fold relay panel)
• Fuse 15a
• G12 (left side of engine compt)
• G19 (near ignition coil)
• Instrument cluster
• Left electro- hydraulic engine mount solenoid valve
• Malfunction indicator lamp
• Nca
• Right electro- hydraulic engine mount solenoid valve
• T32a/28
• To spark plugs

4.2L, Engine Performance Wiring Diagram (4 of 4) for Audi allroad Quattro 2005

List of elements for 4.2L, Engine Performance Wiring Diagram (4 of 4) for Audi allroad Quattro 2005:

• 3-fold relay panel (left side of dash)
• 87a
• 87f
• Battery
• Camshaft adjustment valve 1
• Camshaft adjustment valve 2
• Cooling fans system
• Cruise control system
• Emergency flasher switch & air bag control module
• Fuel injectors
• Fuel pump (fp) (in fuel tank)
• Fuel pump (fp) relay
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse panel (left side of dash)
• G44 (on lower left "a" pillar)
• Micro central electric panel (left side of dash)
• Motronic engine control module (ecm) (in electronic box, left side of fresh air plenum)
• Red
• Throttle valve control module