ENGINE PERFORMANCE – Audi A6 Avant Quattro 2000 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.7L TURBO

2.7L Turbo, Engine Performance Wiring Diagram (1 of 3) for Audi A6 Avant Quattro 2000

List of elements for 2.7L Turbo, Engine Performance Wiring Diagram (1 of 3) for Audi A6 Avant Quattro 2000:

• (left side of dash)
• (left side of dash) micro center electronic panel
• (left side of eng compt) g104
• (m/t)
• (pins 14-18 not used)
• (pins 21-24 not used)
• 3-fold relay panel (left side of dash)
• A/c & instrument cluster systems
• A/c system
• Abs system, transmissions system, instrument cluster system
• Brake- light switch (on brake pedal support bracket)
• Clutch vacuum vent valve switch (above clutch pedal)
• Cruise control system
• Fuse 10a
• Fuse 20a
• Fuse 40a
• Fuse panel
• G104 (left side of engine compt)
• Heated oxygen sensor 1 (right side of eng, below manifold)
• Heated oxygen sensor 2 (left side of eng, below manifold)
• Hot at all times
• Hot at all times ignition switch
• Mass airflow (maf) sensor (in air cleaner assembly)
• Motronic engine control module (in electronic box, left side of fresh air plenum)
• Nca
• Off
• Oxygen sensor 1 (behind 3-way catalytic converter)
• Oxygen sensor 2 (behind 3-way catalytic converter)
• Run
• Secondary air injection (air) pump relay
• Secondary air injection pump motor (right front corner of eng compt)
• Start
• Throttle position (tp) sensor (on throttle body)

2.7L Turbo, Engine Performance Wiring Diagram (2 of 3) for Audi A6 Avant Quattro 2000

List of elements for 2.7L Turbo, Engine Performance Wiring Diagram (2 of 3) for Audi A6 Avant Quattro 2000:

• (below left side of dash) data link connector
• (front of right cylinder head) camshaft position (cmp) sensor 2
• (mil)
• (rear left cylinder head) camshaft position (cmp) sensor 1
• A/c system
• Charge air pressure sensor
• Engine coolant temperature (ect) sensor (on coolant pipe, behind intake manifold)
• Engine speed (rpm) sensor (left side of transmission housing)
• Evaporative emission (evap) canister purge regulator valve (right side of eng compt)
• Exhaust temperature sensor 1
• Exhaust temperature sensor 2
• Idle air control cut-off valve
• Instrument cluster
• Intake air temperature sensor (in intake air duct)
• Intake manifold change-over valve (at back of intake manifold)
• Knock sensor (ks) 1 (near right cylinder head)
• Knock sensor (ks) 2 (near left cylinder head)
• Leak detection pump (ldp) (inside right rear wheelhousing)
• Malfunction indicator lamp
• Nca
• Secondary air injection (air) solenoid valve (at back of intake manifold)
• T32/11
• T32/13
• T32/25
• T32/3
• T32/6
• T32a/14
• T32a/28

2.7L Turbo, Engine Performance Wiring Diagram (3 of 3) for Audi A6 Avant Quattro 2000

List of elements for 2.7L Turbo, Engine Performance Wiring Diagram (3 of 3) for Audi A6 Avant Quattro 2000:

• (left side of eng compt)
• 87f
• 87a
• Anti-lock brakes system
• Battery
• Camshaft adjustment valve 1 (on back of right cylinder head)
• Camshaft adjustment valve 2 (on front of left cylinder head)
• Cruise control system
• Emergency flasher switch & air bag control module
• Fuel injectors
• Fuel pump motor (in fuel tank)
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse panel (left side of dash)
• G104
• G132 (on eng block)
• G900 (lower left "a" pillar)
• Micro central electric (left side of dash)
• Motronic engine control module (in electronic box, left side of fresh air plenum)
• Nca
• Power output stage 1
• Power output stage 2
• Red
• Throttle valve control module (on throttle body)
• To spark plug

2.8L

2.8L, Engine Performance Wiring Diagram (1 of 3) for Audi A6 Avant Quattro 2000

List of elements for 2.8L, Engine Performance Wiring Diagram (1 of 3) for Audi A6 Avant Quattro 2000:

• (left side of eng compt) g104
• (m/t)
• (pins 14-24 not used)
• 20a
• A/c system
• Abs system, transmissions system, instrument cluster system
• App sensor
• Brake- light switch (on brake pedal support bracket)
• Clutch vacuum vent valve switch (above clutch pedal)
• Cruise control system
• Fuse 10a
• Fuse panel (left side of dash)
• Heated oxygen sensor 1 (right side of eng, below manifold)
• Heated oxygen sensor 2 (left side of eng, below manifold)
• Hot at all times
• Ignition switch
• Mass airflow (maf) sensor (in air cleaner assembly)
• Motronic engine control module (in electronic box, left side of fresh air plenum)
• Nca
• Off
• Oxygen sensor 1 (behind 3-way catalytic converter)
• Oxygen sensor 2 (behind 3-way catalytic converter)
• Red
• Run
• Start
• Throttle position (tp) sensor/ accelerator pedal position sensor (on accelerator pedal bracket)
• Tp sensor

2.8L, Engine Performance Wiring Diagram (2 of 3) for Audi A6 Avant Quattro 2000

List of elements for 2.8L, Engine Performance Wiring Diagram (2 of 3) for Audi A6 Avant Quattro 2000:

• (below left side of dash) data link connector
• (left side of dash) micro center electronic panel
• (mil)
• (right front corner of eng compt) secondary air injection pump motor
• 3-fold relay panel (left rear of eng compt, in plenum chamber)
• A/c system
• Engine coolant temperature (ect) sensor (on coolant pipe, behind intake manifold)
• Engine speed (rpm) sensor (left side of transmission housing)
• Evaporative emission (evap) canister purge regulator valve (right side of eng compt)
• Fuse 40a
• G104 (left side of engine compt)
• Hot at all times
• Instrument cluster
• Intake air temperature sensor (in intake air duct)
• Intake manifold change-over valve (at back of intake manifold)
• Knock sensor (ks) 1 (near right cylinder head)
• Knock sensor (ks) 2 (near left cylinder head)
• Leak detection pump (ldp) (inside right rear wheelhousing)
• Malfunction indicator lamp
• Nca
• Secondary air injection (air) pump relay
• Secondary air injection (air) solenoid valve (at back of intake manifold)
• T32/11
• T32/13
• T32/25
• T32/3
• T32/6
• T32a/14
• T32a/28

2.8L, Engine Performance Wiring Diagram (3 of 3) for Audi A6 Avant Quattro 2000

List of elements for 2.8L, Engine Performance Wiring Diagram (3 of 3) for Audi A6 Avant Quattro 2000:

• (left side of eng compt)
• 87f
• 87a
• Anti-lock brakes system
• Battery
• Camshaft adjustment valve 1 (on back of right cylinder head)
• Camshaft adjustment valve 2 (on front of left cylinder head)
• Camshaft position (cmp) sensor 1 (rear left cylinder head)
• Camshaft position (cmp) sensor 2 (front of right cylinder head)
• Cruise control system
• Distributor ignition capacitor
• Emergency flasher switch & air bag control module
• Fuel injectors
• Fuel pump motor (in fuel tank)
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse panel (left side of dash)
• G104
• G900 (lower left "a" pillar)
• Ignition coil
• Micro central electric panel (behind left side of dash)
• Motronic engine control module (in electronic box, left side of fresh air plenum)
• Nca
• Red
• Throttle valve control module (on throttle body)
• To spark plugs

4.2L

4.2L, Engine Performance Wiring Diagram (1 of 4) for Audi A6 Avant Quattro 2000

List of elements for 4.2L, Engine Performance Wiring Diagram (1 of 4) for Audi A6 Avant Quattro 2000:

• (left side of dash)
• (left side of dash) micro center electronic panel
• (left side of eng compt) g104
• (m/t)
• (pins 14-18 not used)
• (pins 20-22 not used)
• 3-fold relay panel (left side of dash)
• A/c & instrument cluster systems
• A/c system
• Abs system, transmissions system, instrument cluster system
• Brake- light switch (on brake pedal support bracket)
• Clutch vacuum vent valve switch (above clutch pedal)
• Cruise control system
• Fuse 10a
• Fuse 20a
• Fuse 50a
• Fuse panel
• G104 (left side of engine compt)
• Heated oxygen sensor 1 (right side of eng, below manifold)
• Heated oxygen sensor 2 (left side of eng, below manifold)
• Hot at all times
• Hot at all times ignition switch
• Mass airflow (maf) sensor (in air cleaner assembly)
• Motronic engine control module (in electronic box, left side of fresh air plenum)
• Nca
• Off
• Oxygen sensor 1 (behind 3-way catalytic converter)
• Oxygen sensor 2 (behind 3-way catalytic converter)
• Red
• Run
• Secondary air injection (air) pump relay
• Secondary air injection pump motor (right front corner of eng compt)
• Start
• Throttle position (tp) sensor (on throttle body)

4.2L, Engine Performance Wiring Diagram (2 of 4) for Audi A6 Avant Quattro 2000

List of elements for 4.2L, Engine Performance Wiring Diagram (2 of 4) for Audi A6 Avant Quattro 2000:

• (at back of intake manifold) intake manifold change-over valve
• (on coolant pipe, behind intake manifold) engine coolant temperature (ect) sensor
• (right side of eng compt) evaporative emission (evap) canister purge regulator valve
• Engine speed (rpm) sensor (left side of transmission housing)
• Intake manifold tuning valve
• Knock sensor (ks) 1 (near right cylinder head)
• Knock sensor (ks) 2 (near left cylinder head)
• Leak detection pump (ldp) (inside right rear wheelhousing)
• Nca
• Secondary air injection (air) solenoid valve (at back of intake manifold)

4.2L, Engine Performance Wiring Diagram (3 of 4) for Audi A6 Avant Quattro 2000

List of elements for 4.2L, Engine Performance Wiring Diagram (3 of 4) for Audi A6 Avant Quattro 2000:

• (below left side of dash) data link connector
• (front of right cylinder head) camshaft position (cmp) sensor 2
• (mil)
• (rear left cylinder head) camshaft position (cmp) sensor 1
• A/c system
• Distributor ignition capacitor
• G104 (left side of engine compt)
• Instrument cluster
• Left electro- hydraulic engine mount solenoid valve
• Malfunction indicator lamp
• Nca
• Right electro- hydraulic engine mount solenoid valve
• T32/11
• T32/13
• T32/25
• T32/3
• T32/6
• T32a/14
• T32a/28
• To spark plug

4.2L, Engine Performance Wiring Diagram (4 of 4) for Audi A6 Avant Quattro 2000

List of elements for 4.2L, Engine Performance Wiring Diagram (4 of 4) for Audi A6 Avant Quattro 2000:

• 87f
• 87a
• Battery
• Camshaft adjustment valve 1 (on back of right cylinder head)
• Camshaft adjustment valve 2 (on front of left cylinder head)
• Cruise control system
• Emergency flasher switch & air bag control module
• Fuel injectors
• Fuel pump motor (in fuel tank)
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse panel (left side of dash)
• G900 (lower left "a" pillar)
• Micro central electric (left side of dash)
• Motronic engine control module (in electronic box, left side of fresh air plenum)
• Red
• Throttle valve control module (on throttle body)