2007 AUDI A8 & S8

Audi S8 Quattro 2007 - BUZZERS, RELAYS & TIMERS

Audi S8 Quattro 2007 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
Auxiliary Engine Coolant (EC) Pump Relay (1)	On right kick panel relay & fuse panel. See Fig. 81.
Battery Switch-Off Relay	In luggage compartment, in front of battery. See Fig. 13.
Brake Booster Relay (1)	On right kick panel relay & fuse panel. See Fig. 81.
Cold Start Fuel Pump (FP) Relay (3)	In relay & fuse carrier, right side of luggage compartment. See Fig. 152.
Compressor Level Control System Relay (1)	On relay & fuse panel at left side of dash. See Fig. 80.
Coolant Fan 3 Relay (6.0L) (1)	On right kick panel relay & fuse panel. See Fig. 81.
Engine Component Power Supply Relay (5.2L) (4)	On right kick panel relay & fuse panel. See Fig. 81.
Fuel Pump (FP) Relay	On right kick panel relay & fuse panel. See Fig. 38.
Fuel Pump (FP) 2 Relay	On relay & fuse panel, at right side of luggage compartment. See Fig. 37.
Headlamp Cleaning System Relay (5)	On right kick panel relay & fuse panel. See Fig. 81.
Horn Relay	On relay & fuse panel at left side of dash. See Fig. 44.
Motronic Engine Control Module (ECM) Power Supply Relay	On plenum chamber E-box relay panel. See Fig. 66.
Parking Warning Buzzer	Under right side of rear shelf. See Fig. 111.
Power Supply Relay 1 (Terminal 75)	On relay & fuse panel at left side of dash. See Fig. 75.
Power Supply Relay (2)	In relay & fuse carrier, right side of luggage compartment. See Fig. 152.
Rear Window Defogger Relay	In relay & fuse carrier, right side of luggage compartment. See Fig. 78.
Secondary Air Injection (AIR) Pump Relay	On plenum chamber E-box relay panel. See Fig. 92.
Secondary Air Injection (AIR) Pump Relay 2 (2 Or 3)	On plenum chamber E-box relay panel. See Fig. 151.
Starter Relay (2)	On right kick panel relay & fuse panel. See Fig. 81.
Starter Relay 2 (3)	On right kick panel relay & fuse panel. See Fig. 81.
Voltage Supply Terminal 15 (B+) Relay (3)	On relay & fuse panel at left side of dash. See Fig. 80.
Windshield Washer Fluid Heating Relay (4)	On relay & fuse panel at left side of dash. See Fig. 80.

Audi S8 Quattro 2007 - CIRCUIT PROTECTION DEVICES

Audi S8 Quattro 2007 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Front Passenger's Power Set Adjustment Circuit Breaker 1 (B)	On right kick panel relay & fuse panel. See Fig. 81.
Front Passenger's Power Set Adjustment Circuit Breaker 2 (D)	On right kick panel relay & fuse panel. See Fig. 81.
Fuse Holder (Instrument Panel - Left)	In left end of dash. See Fig. 172.
Fuse Holder (Instrument Panel - Right)	In right end of dash. See Fig. 173.
Fuse Holder (Luggage Compartment - Left)	Left side of luggage compartment. See Fig. 121.
Fuse Holder (Luggage Compartment - Right)	Right side of luggage compartment. See Fig. 174.
Power (Memory) Seat Circuit Breaker	On relay & fuse carrier at left side of dash. See Fig. 72.
Power Rear Seat Circuit Breaker 1 (B)	In relay & fuse carrier, right side of luggage compartment. See Fig. 152.
Power Rear Seat Circuit Breaker 2 (C)	In relay & fuse carrier, right side of luggage compartment. See Fig. 152.
Power Seat Circuit Breaker	Right kick panel. See Fig. 73.
Power Seat Circuit Breaker 1 (D)	In fuse & relay carrier behind left side of dash. See Fig. 80.
Power Seat Circuit Breaker 2 (E)	In fuse & relay carrier behind left side of dash. See Fig. 80.
Power Window Circuit Breaker (C)	In fuse & relay carrier behind left side of dash. See Fig. 80.

Audi S8 Quattro 2007 - CONTROL UNITS

Audi S8 Quattro 2007 CONTROL UNITS LOCATION

Component	Location
ABS Control Module (W/EDL)	At left side of engine compartment. See Fig. 4.
Access/Start Control Module	Under driver's seat. See Fig. 5.
Air Bag Control Module	Below center of dash, on transmission tunnel. See Fig. 6.
Antenna Selection Control Module	Behind left rear edge of roof trim. See Fig. 117.
Battery Monitoring Control Module	Right side of luggage compartment. See Fig. 12.
Central Control Module (Comfort System)	Right side of luggage compartment. See Fig. 14.
Control Module For Navigation W/CD	Left side of luggage compartment. See Fig. 116.
Coolant Fan Control (FC) Control Module	On coolant fan. See Fig. 20.
Coolant FC (Fan Control) Control Module No. 2	On right coolant fan motor. See Fig. 21.
Curtain Air Bag Unit (Driver's/Front Passenger's) (6)	In respective roof rail. See Fig. 165.
Digital Sound System Control Module	Left side of luggage compartment. See Fig. 116.
Distance Regulation Control Module	Behind center of front bumper. See Fig. 128.
Door Closing Control Module	Right side of luggage compartment, behind battery. See Fig. 25.
Door Control Module (Driver Side)	Integrated in driver's door window regulator motor. See Fig. 26.
Door Control Module (Left Rear)	Integrated in left rear door window regulator motor. See Fig. 28.
Door Control Module (Passenger Side)	Integrated in right front door window regulator motor. See Fig. 27.
Door Control Module (Right Rear)	Integrated in right rear door window regulator motor. See Fig. 29.
Electronic Parking Brake Control Module	Right side of luggage compartment, under battery. See Fig. 32.
Energy Management Control Module	Right side of luggage compartment, behind side trim. See Fig. 33.
Engine Control Module (ECM) (Except 5.2L)	In passenger's side plenum chamber E-box. See Fig. 34.
Engine Control Module (ECM) 2 (5.2L) (1)	Right rear of engine compartment. See Fig. 196.
Engine Control Module (ECM) 2 (6.0L) (4)	In passenger's side plenum chamber E-box. See Fig. 153.
Engine Control Module (ECM) (5.2L) (3)	Right rear of engine compartment. See Fig. 196.
Fresh Air Blower Control Module	At right rear of engine compartment, next to fresh air blower motor. See Fig. 15.
Front Information Display Control Head Control Module	Behind glove compartment. See Fig. 112.
Garage Door Opener Control Module	Behind right side of front bumper. See Fig. 175.
Headlight Range Control Module	Behind instrument cluster. See Fig. 42.
Heated Windshield Control Module	Right side of luggage compartment, under battery. See Fig. 43.
High-Intensity Gas Discharge Lamp Control Module (Left/Right)	At respective headlight assembly. See Fig. 181.
Inclination-/Anti-Theft Control Module	Under right side of rear seat. See Fig. 45.
Instrument Cluster Control Module	Behind instrument cluster. See Fig. 126.
Left/Right Rear Heated Seat Control Module	Under center of rear seat. See Fig. 120.
Level Control System Control Module	Behind glove compartment. See Fig. 58.
Memory Seat/Steering Column Adjustment Control Module	Under driver's seat. See Fig. 125.
Multi-Function Steering Wheel Control Module	In steering wheel. See Fig. 16.
Parking Aid Control Module	Below CD changer unit on left side of luggage compartment. See Fig. 17.
Power Sunroof Control Module	In front of roof module. See Fig. 74.
Radio, R & Speech Input Control Module	Left side of luggage compartment. See Fig. 116.
Rear Lid Control Module	Right rear of luggage compartment. See Fig. 77.
Rear Lid Taillight Control Module (Left Right)	In respective taillight assembly. See Fig. 182.
Rear Memory Seat Control Module	Under center of rear seat. See Fig. 120.
Rear Taillight Control Module (Left Right)	In respective taillight assembly. See Fig. 183.
Roof Electronics Control Module	Under front of roof module. See Fig. 90.
Solar Operation Control Module	Underside of solar roof. See Fig. 129.
Steering Column Electronic Systems Control Module	Top of steering column. See Fig. 119.
Telephone/Telematic Control Module	Left front footwell, under carpet. See Fig. 118.
Throttle Valve Control Module 2 (5.2L) (4)	On cylinder bank No. 2 throttle body. See Fig. 195.
Throttle Valve Control Module 2 (6.0L) (3)	On cylinder bank No. 2 throttle body. See Fig. 153.
Throttle Valve Control Module (4.2L)	Behind intake manifold, on throttle valve housing. See Fig. 103.
Throttle Valve Control Module (5.2L) (7)	On cylinder bank No. 1 throttle body. See Fig. 194.
Throttle Valve Control Module (6.0L) (11)	On cylinder bank No. 1 throttle body. See Fig. 153.
Tire Pressure Monitoring Control Module	Under left side of rear seat. See Fig. 104.
Towing Sensor Control Module	Right side of luggage compartment, under battery. See Fig. 122.
Transmission Control Module (TCM)	In bottom of transmission. See Fig. 105.
Vehicle Electrical System Control Module	Behind left side of dash. See Fig. 109.
Vehicle Electrical System Control Module 2	Under front passenger's seat. See Fig. 110.
Wiper Motor Control Motor	In plenum, on windshield wiper motor. See Fig. 127.

Audi S8 Quattro 2007 - MOTORS

Audi S8 Quattro 2007 MOTORS LOCATION

Component	Location
Belt Height Adjustment Motor (Left/Right Front)	At respective "B" pillar. See Fig. 166.
Center Vent Motor (Left) (4)	Behind left instrument panel vent. See Fig. 162.
Center Vent Motor (Right) (9)	Behind right instrument panel vent. See Fig. 162.
Coolant Fan	Right front of engine compartment. See Fig. 18.
Coolant Fan No. 2	Left front of engine compartment. See Fig. 19.
Decklid Central Locking System Motor	In trunk lid. See Fig. 167.
Fuel Lid Unlock Motor	Right side of luggage compartment, behind trim. See Fig. 187.
Headlight Beam Adjusting Motor (Left/Right)	In respective headlight assembly. See Fig. 178.
Headlight Washer Jet Motor (Left)	Behind left front bumper. See Fig. 51.
Headlight Washer Jet Motor (Right)	Behind right front bumper. See Fig. 85.
High Pressure Pump (Left) (4.2L) (3)	Top of cylinder bank No. 2. See Fig. 159.
High Pressure Pump (Left) (5.2L) (12)	Top of cylinder bank No. 2. See Fig. 195.
High Pressure Pump (Right) (4.2L) (1)	Top of cylinder bank No. 1. See Fig. 159.
High Pressure Pump (Right) (5.2L) (14)	Top of cylinder bank No. 1. See Fig. 194.
Intake Flap Motor (4.2L) (5)	Left front of engine. See Fig. 158.
Intake Flap Motor (5.2L) (3)	Front of engine. See Fig. 199.
Leak Detection Pump (LDP)	In left rear wheel well. See Fig. 47.
Level Control System Compressor Motor	In left front wheelwell. See Fig. 59.
Lock Unit For Central Locking (Driver's/Front Passenger's)	In respective front door. See Fig. 185.
Lock Unit For Central Locking (Left/Right Rear Door)	In respective rear door. See Fig. 186.
Open-Close Display Motor	Behind center of dash. See Fig. 68.
Parking Brake Motor (Left)	At left rear brake caliper. See Fig. 52.
Parking Brake Motor (Right)	At right rear brake caliper. See Fig. 86.
Rear Lid Opening Motor	Right side of luggage compartment, behind trim. See Fig. 190.
Rear Warm/Cold Flap Air Outlet Motor (Left) (23)	Under left side of center console. See Fig. 163.
Rear Warm/Cold Flap Air Outlet Motor (Right) (18)	Under right side of center console. See Fig. 163.
Rear Window Shade Motor	Below center of rear parcel shelf. See Fig. 79.
Secondary Air Injection (AIR) Pump Motor 2 (6.0L) (15)	In lower part of air filter housing. See Fig. 153.
Secondary Air Injection (AIR) Pump Motor (4.2L)	Between right front bumper & wheelwell liner. See Fig. 91.
Secondary Air Injection (AIR) Pump Motor (5.2L) (18)	Below right long member. See Fig. 194.
Secondary Air Injection (AIR) Pump Motor (6.0L) (16)	In lower part of air filter housing. See Fig. 153.
Steering Column Adjustment Motor (Axial)	Left side of steering column. See Fig. 60.
Steering Column Adjustment Motor (Vertical)	Right side of steering column. See Fig. 61.
Steering Column Lock Actuator	At base of steering column. See Fig. 193.
Sunroof Motor	Under rear of roof module. See Fig. 101.
Throttle Drive 2 (3)	On cylinder bank No. 2 throttle body. See Fig. 153.
Throttle Drive (11)	On cylinder bank No. 1 throttle body. See Fig. 153.
Trunk Lid Release Motor	Right side of luggage compartment. See Fig. 107.
Variable Intake Manifold Runner Motor (4.2L) (4)	Right front of engine. See Fig. 158.
Variable Intake Manifold Runner Motor (5.2L) (2)	Right front of engine. See Fig. 199.
Window Regulator (Driver's)	In driver's door. See Fig. 62.
Window Regulator (Left Rear)	In left rear door. See Fig. 64.
Window Regulator (Passenger's)	In passenger's door. See Fig. 63.
Window Regulator (Right Rear)	In right rear door. See Fig. 65.

Audi S8 Quattro 2007 - SENDING UNITS/SENSORS

Audi S8 Quattro 2007 SENDING UNITS & SENSORS LOCATION

Component	Location
Accelerator Pedal Position Sender 2	At accelerator pedal. See Fig. 94.
Angle Sensor 1 (Throttle Drive 1) (6.0L) (11)	On cylinder bank No. 1 throttle body. See Fig. 153.
Angle Sensor 1 (Throttle Drive 2) (6.0L) (3)	On cylinder bank No. 2 throttle body. See Fig. 153.
Angle Sensor 2 (Throttle Drive 1) (6.0L) (11)	On cylinder bank No. 1 throttle body. See Fig. 153.
Angle Sensor 2 (Throttle Drive 2) (6.0L) (3)	On cylinder bank No. 2 throttle body. See Fig. 153.
Body Acceleration Sensor (Left Front)	On left front strut tower. See Fig. 49.
Body Acceleration Sensor (Rear)	Behind right rear wheelwell liner. See Fig. 76.
Body Acceleration Sensor (Right Front)	On right front strut tower. See Fig. 83.
Brake Booster Sender 1	On ABS-hydraulic control unit. See Fig. 93.
Camshaft Position (CMP) Sensor 2 (4.2L) (13)	Top of cylinder bank No. 2. See Fig. 157.
Camshaft Position (CMP) Sensor 2 (5.2L) (11)	Left side of cylinder bank No. 2. See Fig. 195.
Camshaft Position (CMP) Sensor 2 (6.0L) (7)	Rear of cylinder bank No. 1. See Fig. 153.
Camshaft Position (CMP) Sensor 3 (4.2L) (19)	Right side of cylinder bank No. 1. See Fig. 156.
Camshaft Position (CMP) Sensor 3 (5.2L) (17)	Right side of cylinder bank No. 1. See Fig. 194.
Camshaft Position (CMP) Sensor 3 (6.0L) (6)	Rear of cylinder bank No. 1. See Fig. 153.
Camshaft Position (CMP) Sensor (4.2L) (14)	Top of cylinder bank No. 1. See Fig. 156.
Camshaft Position (CMP) Sensor 4 (4.2L) (8)	Rear of cylinder bank No. 2. See Fig. 157.
Camshaft Position (CMP) Sensor 4 (5.2L) (8)	Left side of cylinder bank No. 2. See Fig. 195.
Camshaft Position (CMP) Sensor 4 (6.0L) (10)	Rear of cylinder bank No. 2. See Fig. 153.
Camshaft Position (CMP) Sensor (5.2L) (13)	Top of cylinder bank No. 1. See Fig. 194.
Camshaft Position (CMP) Sensor (6.0L) (8)	Rear of cylinder bank No. 2. See Fig. 153.
Center Air Outlet Sensor (Left) (3)	In left instrument panel vent. See Fig. 162.
Center Air Outlet Sensor (Right) (10)	In right instrument panel vent. See Fig. 162.
Center Outlet Temperature Sensor (6)	Behind left center of dash. See Fig. 162.
Center Vent Motor Position Sensor (Left) (4)	Integral to left center vent motor. See Fig. 162.
Center Vent Motor Position Sensor (Right) (9)	Integral to right center vent motor. See Fig. 162.
Engine Coolant Temperature (ECT) Sensor (4.2L) (4)	Rear of cylinder bank No. 1. See Fig. 156.
Engine Coolant Temperature (ECT) Sensor (5.2L) (2)	Rear of cylinder bank No. 1. See Fig. 198.
Engine Speed (RPM) Sensor (4.2L)	Left rear of engine.
Engine Speed (RPM) Sensor (5.2L)	Left rear of engine. See Fig. 197.
Engine Speed (RPM) Sensor (6.0L) (9)	Left rear of engine. See Fig. 153.
Front Air Bag Crash Sensor (Driver's Side)	Left front of engine compartment. See Fig. 31.
Front Air Bag Crash Sensor (Passenger's Side)	Right front of engine compartment. See Fig. 71.
Front Seat Temperature Sensor (Left) (22)	Under driver's seat. See Fig. 163.
Front Seat Temperature Sensor (Right) (17)	Under front passenger's seat. See Fig. 163.
Fuel Gauge Sender	Inside left side of fuel tank. See Fig. 95.
Fuel Level Sensor No. 2	Inside right side of fuel tank. See Fig. 36.
Fuel Pressure Sensor (4.2L) (11)	Top front of engine. See Fig. 156.
Fuel Pressure Sensor (5.2L) (15)	Top front of engine. See Fig. 195.
Fuel Supply Sensor 3	Inside left side of fuel tank. See Fig. 39.
Fuel Supply Sensor 4	Inside right side of fuel tank. See Fig. 40.
Heated Oxygen Sensor (HO2S) 2 W/Oxygen Sensor (O2S) 2 Heater (2)	Upstream of exhaust catalytic converter. See Fig. 200.
Heated Oxygen Sensor (HO2S) 2 W/Oxygen Sensor (O2S) 4 Heater (1)	Upstream of exhaust catalytic converter. See Fig. 200.
Heated Oxygen Sensor (HO2S) 2 (4.2L) (1)	Upstream of left 3-way catalytic converter. See Fig. 161.
Heated Oxygen Sensor (HO2S) 2 (6.0L) (2.1)	Upstream of exhaust bank No. 2 catalytic converter. See Fig. 155.
Heated Oxygen Sensor (HO2S) 3 (5.2L) (1)	Downstream of 3-way catalytic converter. See Fig. 201.
Heated Oxygen Sensor (HO2S) 3 (6.0L) (3.1)	Upstream of exhaust bank No. 3 catalytic converter. See Fig. 155.
Heated Oxygen Sensor (HO2S) (4.2L) (2)	Upstream of right 3-way catalytic converter. See Fig. 160.
Heated Oxygen Sensor (HO2S) 4 (6.0L) (4.1)	Upstream of exhaust bank No. 4 catalytic converter. See Fig. 155.
Heated Oxygen Sensor (HO2S) (5.2L) (4)	Downstream of 3-way catalytic converter. See Fig. 201.
Heated Oxygen Sensor (HO2S) (6.0L) (1.1)	Upstream of exhaust bank No. 1 catalytic converter. See Fig. 155.
Heated Steering Wheel Sensor	In steering wheel.
Humidity Sensor (5)	In interior rearview mirror mount. See Fig. 162.
Instrument Panel Interior Temperature Sensor (15)	Front of center console. See Fig. 162.
Intake Air Temperature (IAT) Sensor (Bank 1) (6.0L) (12)	Left front of engine compartment. See Fig. 153.
Intake Air Temperature (IAT) Sensor 2 (Bank 2) (6.0L) (1)	Right front of engine compartment. See Fig. 153.
Intake Air Temperature (IAT) Sensor (4.2L) (5)	Rear of cylinder bank No. 1. See Fig. 156.
Intake Manifold Runner Position Sensor 2 (4.2L) (6)	Front of cylinder bank No. 2. See Fig. 158.
Intake Manifold Runner Position Sensor 2 (5.2L) (5)	Front of cylinder bank No. 2. See Fig. 199.
Intake Manifold Runner Position Sensor (4.2L) (3)	Front of cylinder bank No. 1. See Fig. 158.
Intake Manifold Runner Position Sensor (5.2L) (1)	Front of cylinder bank No. 1. See Fig. 199.
Knock Sensor No. 1 (4.2L) (13)	Inner side of cylinder bank No. 1. See Fig. 156.
Knock Sensor No. 1 (5.2L) (12)	Inner side of cylinder bank No. 1. See Fig. 194.
Knock Sensor No. 1 (6.0L)	Right front of engine crankcase.
Knock Sensor No. 2 (4.2L) (10)	Inner side of cylinder bank No. 1. See Fig. 156.
Knock Sensor No. 2 (5.2L) (11)	Inner side of cylinder bank No. 1. See Fig. 194.
Knock Sensor No. 2 (6.0L)	Right side of engine crankcase.
Knock Sensor No. 3 (4.2L) (14)	Inner side of cylinder bank No. 2. See Fig. 157.
Knock Sensor No. 3 (5.2L) (13)	Inner side of cylinder bank No. 2. See Fig. 195.
Knock Sensor No. 3 (6.0L)	Left side of engine crankcase.
Knock Sensor No. 4 (4.2L) (15)	Inner side of cylinder bank No. 2. See Fig. 157.
Knock Sensor No. 4 (5.2L) (14)	Inner side of cylinder bank No. 2. See Fig. 195.
Knock Sensor No. 4 (6.0L)	Left side of engine crankcase.
Level Control Pressure Sensor	Behind left wheelwell liner at "A" pillar. See Fig. 57.
Level Control System Sensor (Left Front)	At left side of front axle. See Fig. 50.
Level Control System Sensor (Left Rear)	At left side of rear axle. See Fig. 54.
Level Control System Sensor (Right Front)	At right side of front axle. See Fig. 84.
Level Control System Sensor (Right Rear)	At right side of rear axle. See Fig. 88.
Light Recognition Sensor	Top center of windshield. See Fig. 184.
Low Fuel Pressure Sensor (4.2L) (2)	Top of cylinder bank No. 2. See Fig. 159.
Low Fuel Pressure Sensor (5.2L) (1)	Top rear of cylinder bank No. 1. See Fig. 198.
Mass Airflow (MAF) Sensor (Bank 1) (6.0L) (12)	Left front of engine compartment. See Fig. 153.
Mass Airflow (MAF) Sensor/Intake Air Temperature (IAT) Sensor (5.2L) (19)	Right front of engine compartment. See Fig. 194.
Mass Airflow (MAF) Sensor 2 (Bank 2) (6.0L) (1)	Right front of engine compartment. See Fig. 153.
Mass Airflow (MAF) Sensor 2 (5.2L) (7)	Left front of engine compartment. See Fig. 195.
Mass Airflow (MAF) Sensor (4.2L) (5)	Rear of cylinder bank No. 1. See Fig. 156.
Oil Level Thermal Sensor	Bottom of engine oil pan. See Fig. 67.
Outside Air Temperature Sensor	Behind right side of front bumper. See Fig. 69.
Oxygen Sensor (O2S) 2 (4.2L) (2)	Downstream of left 3-way catalytic converter. See Fig. 161.
Oxygen Sensor (O2S) 2 (5.2L) (3)	Downstream of 3-Way Catalytic Converter (TWC). See Fig. 201.
Oxygen Sensor (O2S) 3 (5.2L)	Downstream of 3-Way Catalytic Converter (TWC). See Fig. 202.
Oxygen Sensor (O2S) (4.2L) (1)	Downstream of right 3-way catalytic converter. See Fig. 160.
Oxygen Sensor (O2S) 4 (5.2L) (2)	Downstream of 3-Way Catalytic Converter (TWC). See Fig. 201.
Oxygen Sensor (O2S) (5.2L)	Downstream of 3-Way Catalytic Converter (TWC). See Fig. 202.
Oxygen Sensor (O2S) (6.0L) (1.2)	Downstream of exhaust bank No. 1 catalytic converter. See Fig. 155.
Oxygen Sensor (O2S) (6.0L) (2.2)	Downstream of exhaust bank No. 2 catalytic converter. See Fig. 155.
Oxygen Sensor (O2S) (6.0L) (3.2)	Downstream of exhaust bank No. 3 catalytic converter. See Fig. 155.
Oxygen Sensor (O2S) (6.0L) (4.2)	Downstream of exhaust bank No. 4 catalytic converter. See Fig. 155.
Rear Center Console Temperature Sensor (Left/Right) (24, 25)	Under rear of center console. See Fig. 163.
Rear Parking Sensor (4)	Behind rear bumper. See Fig. 191.
Rear Parking Sensor (4)	In rear bumper. See Fig. 124.
Rear Warm/Cold Flap Outlet Motor Position Sensor (Left) (23)	Integral to left rear warm/cold flap outlet motor. See Fig. 163.
Rear Warm/Cold Flap Outlet Motor Position Sensor (Right) (18)	Integral to right rear warm/cold flap outlet motor. See Fig. 163.
Rotation Rate Sender	On front tunnel, under extension of center console. See Fig. 96.
Side Air Bag Crash Sensor (Driver's Side)	At left "B" pillar. See Fig. 22.
Side Air Bag Crash Sensor (Left Rear)	At bottom of left "C" pillar. See Fig. 55.
Side Air Bag Crash Sensor (Passenger's Side)	At right "B" pillar. See Fig. 23.
Side Air Bag Crash Sensor (Right Rear)	At bottom of right "C" pillar. See Fig. 89.
Steering Angle Sensor	Behind steering wheel. See Fig. 98.
Steering Column Axial Adjustment Sensor	On steering column. See Fig. 99.
Steering Column Vertical Adjustment Sensor	On steering column. See Fig. 100.
Sunlight Photo Sensor (8)	Under top center of dash. See Fig. 162.
Throttle Position Sensor	On accelerator pedal. See Fig. 102.
Tire Pressure Sensor (4)	In respective wheel rims. See Fig. 192.

Audi S8 Quattro 2007 - SOLENOIDS & SOLENOID VALVES

Audi S8 Quattro 2007 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Camshaft Adjustment Intake Valve 1 (6.0L) (2)	Rear of cylinder bank No. 1. See Fig. 154.
Camshaft Adjustment Valve 1 (Exhaust) (4.2L) (2)	Rear of cylinder bank No. 1. See Fig. 156.
Camshaft Adjustment Valve 1 (Exhaust) (5.2L) (3)	Rear of cylinder bank No. 1. See Fig. 194.
Camshaft Adjustment Valve 1 (Exhaust) (6.0L) (1)	Rear of cylinder bank No. 1. See Fig. 154.
Camshaft Adjustment Valve 1 (4.2L) (6)	Rear of cylinder bank No. 1. See Fig. 156.
Camshaft Adjustment Valve 1 (5.2L) (5)	Rear of cylinder bank No. 1. See Fig. 194.
Camshaft Adjustment Valve 2 (Exhaust) (4.2L) (7)	Rear of cylinder bank No. 2. See Fig. 157.
Camshaft Adjustment Valve 2 (Exhaust) (5.2L) (6)	Rear of cylinder bank No. 2. See Fig. 195.
Camshaft Adjustment Valve 2 (Exhaust) (6.0L) (6)	Rear of cylinder bank No. 2. See Fig. 154.
Camshaft Adjustment Valve 2 (4.2L) (6)	Rear of cylinder bank No. 2. See Fig. 157.
Camshaft Adjustment Valve 2 (5.2L) (5)	Rear of cylinder bank No. 2. See Fig. 195.
Camshaft Adjustment Valve 2 (6.0L) (4)	Rear of cylinder bank No. 2. See Fig. 154.
Dampening Adjustment Valve (Left/Right Front)	In respective front air spring damper assembly. See Fig. 176.
Dampening Adjustment Valve (Left/Right Rear)	In respective rear air spring damper assembly. See Fig. 177.
Electro-Hydraulic Engine Mount Solenoid Valve (Left)	Left side of engine compartment. See Fig. 48.
Electro-Hydraulic Engine Mount Solenoid Valve (Right) (4.2L)	Right front of engine. See Fig. 82.
Electro-Hydraulic Engine Mount Solenoid Valve (Right) (6.0L) (11)	Right front of engine. See Fig. 154.
Engine Coolant (EC) Switch-Off Valve	Right side of plenum chamber. See Fig. 35.
Evaporative Emission (EVAP) Canister Purge Solenoid Valve 2 (4)	Left rear of engine. See Fig. 157.
Evaporative Emission (EVAP) Canister Purge Solenoid Valve (4.2L) (4)	Left rear of engine. See Fig. 157.
Evaporative Emission (EVAP) Canister Purge Solenoid Valve (5.2L) (9)	Rear of engine. See Fig. 194.
Fuel Injectors No. 1 - 6 (6.0L) (9)	Top of cylinder bank No. 1. See Fig. 154.
Fuel Injectors No. 7 - 12 (6.0L) (8)	Top of cylinder bank No. 2. See Fig. 154.
Fuel Metering Valve 2 (4.2L) (4)	Top of cylinder bank No. 2. See Fig. 159.
Fuel Metering Valve 2 (5.2L) (10)	Top of cylinder bank No. 2. See Fig. 195.
Fuel Metering Valve (4.2L) (5)	Top of cylinder bank No. 1. See Fig. 159.
Fuel Metering Valve (5.2L) (15)	Top of cylinder bank No. 1. See Fig. 194.
Headlight Reflector Adjustment Solenoid (Left/Right)	At respective headlight assembly. See Fig. 180.
Intake Air Switch-Over Valve (4.2L) (20)	Right front of engine compartment. See Fig. 156.
Intake Air Switch-Over Valve (5.2L) (2)	Right front of engine compartment. See Fig. 194.
Level Control Accumulator Valve	Behind left wheelwell liner at "A" pillar. See Fig. 56.
MAP Controlled Engine Cooling Thermostat (6.0L) (3)	Center rear of engine. See Fig. 154.
Secondary Air Injection (AIR) Combi-Valve (Bank 1) (3)	Rear of cylinder bank No. 1. See Fig. 156.
Secondary Air Injection (AIR) Combi-Valve (Bank 2) (5)	Rear of cylinder bank No. 2. See Fig. 157.
Secondary Air Injection (AIR) Solenoid Valve (4)	Left front of engine. See Fig. 199.
Servotronic Solenoid Valve	On steering gear housing. See Fig. 97.

Audi S8 Quattro 2007 - SWITCHES

Audi S8 Quattro 2007 SWITCHES LOCATION

Component	Location
Display Closed Stop Switch	In center of dash. See Fig. 168.
Display Open Stop Switch	In center of dash. See Fig. 169.
Front Hood Switch	In left hood lock assembly. See Fig. 170.
Front Hood Switch 2	In right hood lock assembly. See Fig. 171.
Fuel Tank Lock Switch	Top of fuel filler tube. See Fig. 41.
Kick Down Switch	Under accelerator pedal. See Fig. 46.
Oil Pressure Switch (6)	Lower left front of engine. See Fig. 199.
Rear Lid Closing Assist Lock Stop Switch	At trunk release motor. See Fig. 188.
Rear Lid Opening Assist Unlock Stop Switch	At trunk lid release motor. See Fig. 189.
Trunk Lid Alarm Switch	Inside trunk lid. See Fig. 106.
Trunk Lock/Alarm/Central Locking Switch	Inside trunk lid. See Fig. 108.

Audi S8 Quattro 2007 - MISCELLANEOUS

Audi S8 Quattro 2007 MISCELLANEOUS LOCATION

Component	Location
Air Bag Igniter (Driver's) (1)	In steering wheel. See Fig. 165.
Air Bag Igniter (Front Passenger's) (4)	Above glove box. See Fig. 165.
Airbag Spiral Spring	At steering column switch module (SCSM). See Fig. 164.
Air Bag Unit (Driver's Side) (1)	In steering wheel. See Fig. 165.
Air Bag Unit (Front Passenger's Side) (4)	Above glove box. See Fig. 165.
Alarm Horn	Right side of plenum chamber. See Fig. 7.
Antenna Amplifier	Behind left rear edge of roof trim. See Fig. 117.
Antenna For Navigation System	Behind center rear edge of roof trim. See Fig. 115.
Antenna For Telephone	Behind right rear edge of roof trim. See Fig. 114.
Antenna For Tire Pressure Check (Left Front)	Left front wheel well. See Fig. 8.
Antenna For Tire Pressure Check (Left Rear)	Left rear wheel well. See Fig. 10.
Antenna For Tire Pressure Check (Right Front)	Right front wheel well. See Fig. 9.
Antenna For Tire Pressure Check (Right Rear)	Right rear wheel well. See Fig. 11.
Auxiliary Antenna (Telematic)	In rear bumper. See Fig. 124.
Auxiliary Heater Radio Receiver	On left rear wheelhouse. See Fig. 123.
Data Bus On Board Diagnostic Interface	Behind glove compartment. See Fig. 24.
Data Link Connector (DLC)	Under left side of dash. See Fig. 1.
Door Ambient Lighting Voltage Converter (Driver's)	Inside left front door. See Fig. 30.
Door Ambient Lighting Voltage Converter (Left Rear)	Inside left rear door. See Fig. 53.
Door Ambient Lighting Voltage Converter (Passenger's)	Inside right front door. See Fig. 70.
Door Ambient Lighting Voltage Converter (Right Rear)	Inside right rear door. See Fig. 87.
Headlight Power Output Stage (Left/Right)	At respective headlight assembly. See Fig. 179.
Ignition Coils W/Power Output Stage No. 1 - 4 (4.2L) (18)	Top of cylinder bank No. 1. See Fig. 156.
Ignition Coils W/Power Output Stage No. 1 - 4 (5.2L) (16)	Top of cylinder bank No. 1. See Fig. 194.
Ignition Coils W/Power Output Stage No. 1 - 6 (6.0L) (10)	Top of cylinder bank No. 1. See Fig. 154.
Ignition Coils W/Power Output Stage No. 5 - 8 (4.2L) (9)	Top of cylinder bank No. 2. See Fig. 157.
Ignition Coils W/Power Output Stage No. 5 - 8 (5.2L) (9)	Top of cylinder bank No. 2. See Fig. 195.
Ignition Coils W/Power Output Stage No. 7 - 12 (6.0L) (7)	Top of cylinder bank No. 2. See Fig. 154.
Knee Air Bag (Driver) (12)	Under left side of dash. See Fig. 165.
Knee Air Bag (Front Passenger) (3)	Behind glove box. See Fig. 165.
Microphone Units 1, 4 & 5	In front roof module. See Fig. 113.
Radio Frequency Controlled Clock Receiver	In rear bumper. See Fig. 124.
Rear Footwell Heater (Left) (21)	Under driver's seat. See Fig. 163.
Rear Footwell Heater (Right) (16)	Under front passenger's seat. See Fig. 163.
Satellite Radio	Left side of luggage compartment. See Fig. 116.
Side Air Bag Igniter (Driver's/Front Passenger's) (8)	In respective outer side of front seat cushions. See Fig. 165.
Side Air Bag Igniter (Rear Left/Right Passenger's) (9)	In respective outer side of rear seat cushions. See Fig. 165.
Side Air Bag Unit (Driver's/Front Passenger's) (7)	In respective outer side of front seat backrests. See Fig. 165.
Side Air Bag Unit (Rear Left/Right Passenger's) (10)	In respective outer side of rear seat backrests. See Fig. 165.
TV Tuner	Left side of luggage compartment. See Fig. 116.

Audi S8 Quattro 2007 - CONNECTORS

Audi S8 Quattro 2007 CONNECTORS LOCATION

Component	Location
T16 (16 Pin)	Under left side of dash. See Fig. 1.
T46b (Black, 46 Pin)	Right end of dash. See Fig. 3.
T46 (Black, 46 Pin)	Left end of dash. See Fig. 2.

Audi S8 Quattro 2007 - GROUNDS

Audi S8 Quattro 2007 GROUNDS LOCATION

Component	Location
G12	Left front chassis member, forward of front axle. See Fig. 130.
G13	Right front chassis member, forward of front axle. See Fig. 131.
G34	Under driver's seat. See Fig. 147.
G35	Under front passenger's seat. See Fig. 135.
G43	Behind right kick panel. See Fig. 134.
G44	Behind left kick panel. See Fig. 148.
G50	Left rear of luggage compartment. See Fig. 143.
G51	Right rear of luggage compartment. See Fig. 139.
G606	Under center console at shifter. See Fig. 149.
G610	Left front of center tunnel. See Fig. 150.
G613	Left side of luggage compartment. See Fig. 144.
G640	Right front of engine compartment. See Fig. 132.
G653	On left "D" pillar. See Fig. 146.
G654	Behind rear seat center backrest. See Fig. 136.
G657	Top of left "D" pillar. See Fig. 141.
G658	Top of left "D" pillar. See Fig. 142.
G659	On right "D" pillar. See Fig. 137.
G667	Left rear of roof. See Fig. 140.
G675	Right side of luggage compartment. See Fig. 138.
G676	Left side of luggage compartment. See Fig. 145.
G706	On auxiliary heat exchanger. See Fig. 133.