2010 AUDI A4 & S4

Audi S4 Quattro 2010 - BUZZERS, RELAYS & TIMERS

Audi S4 Quattro 2010 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
Brake Booster Relay (E)	On E-box relay/fuse carrier. See Fig. 10.
Coolant Circulation Pump Relay (E)	On E-box relay/fuse carrier. See Fig. 10.
Engine Component Power Supply Relay (A)	On E-box relay/fuse carrier. See Fig. 10.
Horn Relay (2)	On vehicle electrical system control module relay/fuse carrier. See Fig. 12.
Motronic Engine Control Module (ECM) Power Supply Relay (D)	On E-box relay/fuse carrier. See Fig. 10.
Parking Aid Warning Buzzer (Front) (10)	Under center console. See Fig. 46.
Parking Aid Warning Buzzer (Rear) (9)	Left side of cargo area. See Fig. 46.
Power Supply Relay (Terminal 15) (3)	On vehicle electrical system control module relay/fuse carrier. See Fig. 12.
Rear Window Defogger Relay (C)	Luggage compartment relay/fuse carrier. See Fig. 41.
Secondary Air Injection (AIR) Pump Relay (C)	On E-box relay/fuse carrier. See Fig. 10.
Sockets Relay (E)	Luggage compartment relay/fuse carrier. See Fig. 41.
Starter Relay (B)	On E-box relay/fuse carrier. See Fig. 10.
Starter Relay 2 (B)	On E-box relay/fuse carrier. See Fig. 10.

Audi S4 Quattro 2010 - CIRCUIT PROTECTION DEVICES

Audi S4 Quattro 2010 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
E-Box Relay/Fuse Carrier	In plenum chamber electronics box. See Fig. 10.
Fuse Panel A	On battery, in luggage compartment. See Fig. 9.
Fuse Panel (Driver's Side)	Behind left end of dash.
Fuse Panel (Passenger's Side)	Behind right end of dash.
Luggage Compartment Relay/Fuse Carrier	Right side of luggage compartment.
Vehicle Electrical System Control Module W/Relay/Fuse Carrier	Behind left side of dash. See Fig. 12.
6-Panel Connector Station A-Pillar (Driver/Passenger Side)	Behind respective kick panel. See Fig. 13.

Audi S4 Quattro 2010 - CONTROL UNITS

Audi S4 Quattro 2010 CONTROL UNITS LOCATION

Component	Location
ABS Control Module	Left side of engine compartment. See Fig. 44.
Accelerator Module	Top of accelerator pedal assembly.
Active Steering Control Module	Under driver's seat.
Air Bag Control Module (12)	Below center console. See Fig. 5.
All-Wheel Drive Control Module	In spare tire well.
Battery Monitoring Control Module	Middle of luggage compartment, on battery.
Comfort Seat Control Module (Driver/Passenger) (1)	Under respective front seat. See Fig. 19.
Comfort System Control Module (1)	Right side of trunk. See Fig. 20.
Control Valve Control Module (13)	Rear of engine. See Fig. 47.
Coolant Fan (FC) Control Modules (2)	On coolant fan motors.
Digital Sound System Control Module (Avant) (4)	Left rear of cargo area. See Fig. 2.
Digital Sound System Control Module (Sedan) (10)	Left rear of trunk. See Fig. 1.
Distance Regulation Control Module	Right side of front bumper.
Door Control Module (Driver/Front Passenger)	In respective front door.
Door Control Module (Left/Right Rear)	In respective rear door.
Electro-Mechanical Parking Brake Control Module (7)	Right side of trunk. See Fig. 20.
Electronic Dampening Control Module (3)	Right side of trunk. See Fig. 20.
Electronic Steering Column Lock Control Module	Near steering column.
Engine Control Module (ECM) (Except 3.0L)	Left side of engine compartment plenum chamber. See Fig. 27.
Engine Control Module (ECM) (3.0L) (7)	Right rear of engine compartment. See Fig. 47.
ESP Sensor Unit (3)	Under driver's seat. See Fig. 44.
Fresh Air Blower Control Module (18)	Lower right side of air intake housing. See Fig. 14.
Front Information Display Control Head Control Module	Behind glove box.
Fuel Pump Control Module	Top of fuel tank.
Garage Door Opener Control Module	Behind center of front grille.
Headlight Range Control Module	Behind glove box.
Headlight Range/Cornering Lamp Control Module	Behind glove box.
Heated Seat Control Module (Driver/Passenger) (1)	Under respective front seat. See Fig. 19.
High-Intensity Gas Discharge Lamp Control Module (Left/Right)	In respective headlight assembly.
Instrument Cluster Control Module (9)	Behind instrument cluster. See Fig. 7.
Lane Change Assistance Control Module	On left taillight assembly.
Lane Change Assistance Control Module 2	On right taillight assembly.
Mechatronic Unit	Under transmission oil pan.
Memory Seat/Steering Column Control Module (1)	Under driver's seat. See Fig. 19.
Multi-Function Steering Wheel Control Module	Near steering column.
Navigation System Control Module W/CD	Left side of trunk.
Parallel Parking Assistance Control Module (6)	Right side of trunk. See Fig. 20.
Parking Aid Control Module (5)	Under trunk right side cowl. See Fig. 46.
Passenger Memory Seat Control Module	Under front passenger's seat.
Power Sun Roof Control Module	Center front of roof.
Rear View Camera System Control Module (5)	Right side of trunk. See Fig. 20.
Seat Ventilation Control Unit (Driver) (1)	Under driver's seat cushion. See Fig. 7.
Seat Ventilation Control Unit (Front Passenger) (12)	Under front passenger's seat cushion. See Fig. 8.
Selector Lever Sensor System Control Module (2)	On shifter unit. See Fig. 18.
Steering Column Electronic Systems Control Module (13)	On steering column, behind steering wheel. See Fig. 5.
Throttle Valve Control Module (2.0L) (5)	Left side of intake manifold. See Fig. 36.
Throttle Valve Control Module (3.0L) (11)	On throttle valve housing. See Fig. 47.
Tire Pressure Monitoring Control Module	Behind right side of dash.
Towing Recognition Control Module (5)	Right side of trunk. See Fig. 20.
Transmission Control Module (TCM)	In mechatronic unit.
Vacuum Timing Control	Rear of engine. See Fig. 23.
Vehicle Electrical System Control Module (5)	Under left side of dash. See Fig. 15.
Voltage Stabilizer	In spare tire well.
Wiper Control Module	Left rear of engine compartment, in plenum chamber.

Audi S4 Quattro 2010 - MOTORS

Audi S4 Quattro 2010 MOTORS LOCATION

Component	Location
After Run Coolant Pump (2.0L) (1)	Lower left side of engine. See Fig. 29.
After Run Coolant Pump (3.0L) (20)	Lower left front of engine. See Fig. 48.
Air Flow Door Motor (4)	Left side of air intake housing. See Fig. 14.
Angle Adjustment Motor (Driver/Passenger) (11)	Under respective front seat cushion. See Fig. 19.
Backrest Adjustment Motor (Driver/Passenger) (3)	In respective front seat back. See Fig. 19.
Coolant Fans (8)	Behind radiator. See Fig. 17.
Defroster Door Motor (11)	Left side of A/C unit. See Fig. 14.
Fresh Air Blower (26)	Under right side of air intake housing. See Fig. 14.
Headrest Adjustment Motor (Driver/Passenger) (5)	In respective front seat headrest. See Fig. 19.
Height Adjustment Motor (Driver/Passenger) (7)	Under rear of respective seat cushion. See Fig. 19.
Instrument Panel Interior Temperature Sensor (13)	Integral to A/C control head. See Fig. 7.
Interior Temperature Sensor Fan (13)	Integral to A/C control head. See Fig. 7.
Left Footwell Door Motor (12)	Left side of A/C unit. See Fig. 14.
Left Temperature Door Motor (8)	Left side of A/C unit. See Fig. 14.
Left Vent Adjustment Motor (10)	Left side of A/C unit. See Fig. 14.
Lumbar Support Curvature Adjustment Motor (Driver/Passenger) (6)	In respective front seat back. See Fig. 19.
Lumbar Support Eight Adjustment Motor (Driver/Passenger) (4)	In respective front seat back. See Fig. 19.
Rear Temperature Regulator Door Motor (14)	Lower left side of A/C unit. See Fig. 14.
Recirculation Door Motor (2)	Left side of air intake housing. See Fig. 14.
Right Center Vent Motor (24)	Left side of air intake housing. See Fig. 14.
Right Footwell Door Motor (25)	Lower left side of air intake housing. See Fig. 14.
Right Temperature Door Motor (23)	Top left side of air intake housing. See Fig. 14.
Seat Backrest Fan (Driver/Front Passenger) (4)	Top of respective seat backrest. See Fig. 6.
Seat Backrest Fan 2 (Driver/Front Passenger) (3)	Middle of respective seat backrest. See Fig. 6.
Seat Cushion Fan (Driver/Front Passenger) (1)	Under front of respective seat cushion. See Fig. 6.
Seat Cushion Fan 2 (Driver/Front Passenger) (2)	Under rear of respective seat cushion. See Fig. 6.
Seat Forward/Back Adjustment Motor (Driver/Passenger) (2)	Under respective front seat. See Fig. 19.
Secondary Air Injection (AIR) Pump Motor (1)	Right front of engine compartment. See Fig. 47.
Throttle Drive For Electronic Power Control (EPC) (13)	On throttle valve control module. See Fig. 23.

Audi S4 Quattro 2010 - SENDING UNITS/SENSORS

Audi S4 Quattro 2010 SENDING UNITS & SENSORS LOCATION

Component	Location
ABS Wheel Speed Sensors (Left/Right Front) (10 & 14)	Respective front wheel hub assemblies. See Fig. 44.
ABS Wheel Speed Sensors (Left/Right Rear) (1 & 2)	Respective rear wheel hub assemblies. See Fig. 44.
Accelerator Pedal Position Sender 2 (2)	In accelerator module. See Fig. 28.
A/C Pressure/Temperature Sensor (10)	Left side of condenser. See Fig. 16.
Air Humidity Sensor (11)	Integral to inside rearview mirror. See Fig. 7.
Air Quality Sensor (9)	Bottom of HVAC unit. See Fig. 8.
Body Acceleration Sensor (Left/Right Front) (7)	In respective front wheelwell. See Fig. 45.
Body Acceleration Sensor (Left/Right Front) (7)	In respective front wheelwell. See Fig. 45.
Body Acceleration Sensor (Rear) (5)	Left rear wheelwell. See Fig. 44.
Camshaft Position (CMP) Sensor (2.0L)	Top center of engine. See Fig. 35.
Camshaft Position (CMP) Sensor 2 (3.0L) (23)	Front of cylinder bank 2. See Fig. 48.
Camshaft Position (CMP) Sensor 2 (11)	Front of cylinder bank 2.
Camshaft Position (CMP) Sensor (3.0L) (17)	Front of cylinder bank 1. See Fig. 47.
Camshaft Position (CMP) Sensor 3 (20)	Right side of cylinder bank 1.
Camshaft Position (CMP) Sensor 4 (7)	Left side of cylinder bank 2.
Charge Air Pressure Sensor (2.0L)	Left front of engine compartment. See Fig. 40.
Charge Air Pressure Sensor 2 (3.0L) (22)	In bank 2 intake manifold. See Fig. 48.
Charge Air Pressure Sensor (3.0L) (2)	In bank 1 intake manifold. See Fig. 47.
Cylinder 1 Internal Pressure Sensor (25)	Front of cylinder bank 2. See Fig. 48.
Engine Coolant Temperature (ECT) Sensor (3)	Lower left rear of engine. See Fig. 36.
Engine Speed (RPM) Sensor (2.0L)	Lower left rear of engine. See Fig. 38.
Engine Speed (RPM) Sensor (3.0L) (8)	Left rear of engine. See Fig. 48.
Evaporator Vent Temperature Sensor (28)	In evaporator housing. See Fig. 14.
Front Seat Temperature Sensor (Left) (1)	In driver's seat cushion. See Fig. 7.
Front Seat Temperature Sensor (Right) (12)	In front passenger's seat cushion. See Fig. 8.
Fuel Pressure Sensor (2.0L)	Left side of engine, on fuel line. See Fig. 32.
Fuel Pressure Sensor (3.0L) (11)	Under intake manifold. See Fig. 48.
Fuel Tank Pressure (FTP) Sensor (10)	Left side of engine. See Fig. 23.
Heated Oxygen Sensor (HO2S) (2.0L) (2)	In exhaust, at turbocharger exit. See Fig. 24.
Heated Oxygen Sensor (HO2S) 2 (3.0L) (16)	Upstream of cylinder bank 2 catalytic converter. See Fig. 48.
Heated Oxygen Sensor (HO2S) (3.0L) (5)	In exhaust, at turbocharger exit. See Fig. 47.
Instrument Panel Interior Temperature Sensor (13)	Integral to A/C control head. See Fig. 15.
Intake Air Temperature (IAT) Sensor (Bank 1 Intake Manifold) (2)	In bank 1 intake manifold. See Fig. 47.
Intake Air Temperature (IAT) Sensor (Bank 2 Intake Manifold) (22)	In bank 2 intake manifold. See Fig. 48.
Intake Air Temperature (IAT) Sensor (Throttle) (3.0L) (4)	On throttle valve housing. See Fig. 48.
Intake Air Temperature (IAT) Sensor (2.0L) (6)	Left side of intake manifold. See Fig. 36.
Intake Manifold Runner Position Sensor (2.0L) (1)	Left side of engine, in intake manifold. See Fig. 34.
Intake Manifold Runner Position Sensor 2 (3.0L) (24)	In bank 2 intake manifold. See Fig. 48.
Intake Manifold Runner Position Sensor (3.0L) (16)	In bank 1 intake manifold. See Fig. 47.
Intake Manifold Tuning Valve Position Sensor (3)	Front of engine.
Knock Sensor (KS) 1 (2.0L) (2)	Left side of cylinder head. See Fig. 36.
Knock Sensor (KS) 1 (3.0L) (13)	Under intake manifold, on cylinder bank 1. See Fig. 47.
Knock Sensor (KS) 2 (3.0L) (2)	Under intake manifold, on cylinder bank 2. See Fig. 48.
Left Footwell Temperature Sensor (15)	Left side of A/C unit. See Fig. 14.
Left Front Outside Door Handle Touch Sensor	In driver's door handle.
Left Front Seat Temperature Sensor (Right Similar) (1)	In respective front seat cushion. See Fig. 15.
Left Front Upper Body Outlet Temperature Sensor (6)	Left end of dash. See Fig. 7.
Level Control Sensor (Left/Right Front) (9)	In respective front wheelwell. See Fig. 45.
Level Control Sensor (Left/Right Front) (9)	In respective front wheelwell. See Fig. 45.
Level Control Sensor (Left/Right Rear) (4)	In respective rear wheelwell. See Fig. 45.
Level Control Sensor (Left/Right Rear) (4)	In respective rear wheelwell. See Fig. 45.
Longitudinal Acceleration Sensor (3)	Integral to ESP sensor unit. See Fig. 44.
Low Fuel Pressure Sensor (19)	On high pressure pump. See Fig. 47.
Manifold Absolute Pressure Sensor (4)	Rear of engine. See Fig. 48.
Mass Air Flow (MAF) Sensor (28)	On air intake duct. See Fig. 23.
Outside Air Temperature Sensor (7)	Behind front grille. See Fig. 17.
Oxygen Sensor Heater (Bank 1) (9)	Downstream of cylinder bank 1 catalytic converter. See Fig. 47.
Oxygen Sensor Heater (Bank 2) (9)	Downstream of cylinder bank 2 catalytic converter. See Fig. 48.
Oxygen Sensor (O2S) Behind 3-Way Catalytic Converter (TWC) (2.0L) (1)	Downstream of catalytic converter. See Fig. 24.
Oxygen Sensor (O2S) Behind 3-Way Catalytic Converter (TWC) (3.0L) (9)	Downstream of cylinder bank 1 catalytic converter. See Fig. 47.
Oxygen Sensor (O2S) Heater (2.0L) (2)	In exhaust, at turbocharger exit. See Fig. 24.
Oxygen Sensor (O2S) Heater 2 (16)	Integral to heated oxygen sensor 2. See Fig. 48.
Oxygen Sensor (O2S) Heater (3.0L) (5)	Integral to heated oxygen sensor. See Fig. 47.
Oxygen Sensor (O2S) (1)	Upstream of cylinder bank 1 catalytic converter.
Oxygen Sensor (O2S) 1 Behind 3-Way Catalytic Converter (TWC) (1)	Downstream of catalytic converter. See Fig. 24.
Oxygen Sensor (O2S) 2 Behind 3-Way Catalytic Converter (TWC) (9)	Downstream of cylinder bank 2 catalytic converter. See Fig. 48.
Parking Aid Sensor (Left Front Center) (12)	In front bumper. See Fig. 46.
Parking Aid Sensor (Left Front) (11)	In front bumper. See Fig. 46.
Parking Aid Sensor (Left Rear Center) (8)	On rear bumper. See Fig. 46.
Parking Aid Sensor (Left Rear) (9)	On rear bumper. See Fig. 46.
Parking Aid Sensor (Right Front Center) (1)	On front bumper. See Fig. 46.
Parking Aid Sensor (Right Front) (2)	Front bumper. See Fig. 46.
Parking Aid Sensor (Right Rear Center) (7)	On rear bumper. See Fig. 46.
Parking Aid Sensor (Right Rear) (6)	On rear bumper. See Fig. 46.
Right Footwell Temperature Sensor (17)	Lower right side of A/C unit. See Fig. 14.
Right Front Upper Body Outlet Temperature Sensor (10)	Right end of dash. See Fig. 8.
Rotation Rate Sensor (3)	Integral to ESP sensor unit. See Fig. 44.
Seat Position Sensor (Driver/Passenger) (12)	Under respective front seat. See Fig. 19.
Secondary Air Injection Sensor 1 (10)	Right rear of engine. See Fig. 47.
Steering Angle Sensor (13)	Behind steering wheel. See Fig. 5.
Sunlight Photo Sensor (2)	Under center of dash. See Fig. 8.
Throttle Drive Angle Sensors 1 & 2 (13)	On throttle valve control module. See Fig. 23.
Throttle Position (TP) Sensor (2)	Integral to accelerator pedal position sensor. See Fig. 28.
Tire Pressure Monitoring Sensors (4)	In respective wheel assemblies.
Transmission Input Speed (RPM) Sensor	In mechatronic unit.
Transmission Output Speed (RPM) Sensor	In mechatronic unit.
Transverse Acceleration Sensor (3)	Integral to ESP sensor unit. See Fig. 44.

Audi S4 Quattro 2010 - SOLENOIDS & SOLENOID VALVES

Audi S4 Quattro 2010 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
ABS Hydraulic Unit (10)	Left side of engine compartment. See Fig. 44.
A/C Compressor Regulator Valve (12)	Rear of A/C compressor. See Fig. 16.
Cam Adjustment Actuators 1, 2, 3, 4, 5, 6, 7 & 8 (26)	Top right side of engine. See Fig. 23.
Camshaft Adjustment Valve 1 (2.0L)	Lower front of engine. See Fig. 39.
Camshaft Adjustment Valve 1 (3.0L)	Rear of cylinder bank 1. See Fig. 47.
Camshaft Adjustment Valve 2 (15)	Rear of cylinder bank 2. See Fig. 48.
Climatronic Refrigerant Shut-Off Valve (6)	On refrigerant tube. See Fig. 17.
Compressor Clutch (11)	On A/C compressor. See Fig. 16.
Electro-Hydraulic Engine Mount Solenoid Valve (Left) (17)	Left side of engine. See Fig. 48.
Electro-Hydraulic Engine Mount Solenoid Valve (Right) (4)	Right side of engine. See Fig. 47.
Evaporative Emissions (EVAP) Canister Purge Regulator Valve (2.0L) (1)	Left rear of engine. See Fig. 26.
Evaporative Emissions (EVAP) Canister Purge Regulator Valve (3.0L) (12)	Rear of engine. See Fig. 47.
Fuel Injectors No. 1, No. 2 No. 3 & No. 4 (2.0L)	Above respective cylinders.
Fuel Injectors No. 1, No. 2 & No. 3 (3.0L) (15)	Above respective bank 1 cylinder. See Fig. 47.
Fuel Injectors No. 4, No. 5 & No. 6 (3.0L) (3)	Above respective bank 2 cylinder. See Fig. 48.
Fuel Metering Valve (2)	On high pressure pump. See Fig. 47.
Fuel Pressure Regulator Valve (1)	Right rear of engine. See Fig. 37.
Intake Air Switch-Over Valve (22)	Right front of engine compartment.
Intake Manifold Runner Control (IMRC) Valve (2.0L) (2)	Left side of engine. See Fig. 33.
Intake Manifold Runner Control (IMRC) Valve (3.0L) (6)	Rear of engine. See Fig. 48.
Intake Manifold Tuning Valve (2)	Front of engine.
Oil Pressure Regulation Valve (2.0L) (3)	Lower left front of engine. See Fig. 31.
Oil Pressure Regulation Valve (3.0L) (19)	Left front of engine. See Fig. 48.
Secondary Air Injection Solenoid Valve 2 (7)	Rear of engine. See Fig. 48.
Secondary Air Injection Solenoid Valve (5)	Rear of engine. See Fig. 48.
Shift Lock Solenoid	On shifter unit.
Turbocharger Recirculating Valve (4)	Right front of engine. See Fig. 25.
Wastegate Bypass Regulator Valve (3)	Right front of engine. See Fig. 25.

Audi S4 Quattro 2010 - SWITCHES

Audi S4 Quattro 2010 SWITCHES LOCATION

Component	Location
Brake Light Sensor (4)	Top of brake pedal assembly. See Fig. 44.
Low Oil Pressure Switch (3)	Left front of engine. See Fig. 30.
Multi-Function Transmission Range (TR) Switch	In mechatronic unit.
Oil Pressure Switch (2)	Left front of engine. See Fig. 30.
Tiptronic Switch (2)	On shifter unit. See Fig. 18.

Audi S4 Quattro 2010 - MISCELLANEOUS

Audi S4 Quattro 2010 MISCELLANEOUS LOCATION

Component	Location
Air Bag Igniter & Igniter 2 (Driver) (6)	In steering wheel. See Fig. 5.
Air Bag Igniter 1 & 2 (Front Passenger) (1)	Behind right side of dash. See Fig. 5.
Air Bag Spiral Return/Slip Ring (13)	In steering column. See Fig. 5.
Antenna Amplifier (2)	Right rear of roof. See Fig. 2.
Antenna Amplifier 2 (4)	Right rear of roof. See Fig. 4.
Antenna Amplifier 3 (Sedan) (9)	Left side of trunk. See Fig. 1.
Antenna Amplifier 3 & 4 (Avant) (8)	Left side of cargo area. See Fig. 4.
Antenna (Central Locking & Anti-Theft Alarm System)	In left "C" pillar.
Antenna (Left Access/Start Authorization)	In left "B" pillar.
Antenna (Luggage Compartment Access/Start Authorization)	Left front of luggage compartment.
Antenna (Radio/Telephone & Navigation System) (Avant) (2)	Center rear of roof. See Fig. 4.
Antenna (Radio/Telephone & Navigation System) (Sedan) (5)	Center rear of roof. See Fig. 1.
Antenna 1 (Interior Access/Start Authorization)	Under front of center console.
Battery Interrupt Igniter (8)	Near battery. See Fig. 5.
Battery Jump Start Terminal (B)	Middle of engine compartment plenum chamber. See Fig. 11.
Data Bus On Board Diagnostic Interface	Behind center of dash.
Diagnostic Connector (DLC) (4)	Under left side of dash. See Fig. 15.
Ignition Coils W/Power Output Stage No. 1, No. 2 & No. 3 (3)	Above respective bank 1 cylinders. See Fig. 47.
Ignition Coils W/Power Output Stage No. 4, No. 5 & No. 6 (18)	Above respective bank 2 cylinders. See Fig. 48.
Ignition Coils 1, 2, 3 & 4 W/Power Output Stage (2.0L) (24)	Above respective cylinders. See Fig. 23.
Microphone Unit (Avant) (6)	In front roof module. See Fig. 2.
Microphone Unit (Sedan) (4)	In front roof module. See Fig. 1.
Rear Side Air Bag Igniter (Left) (9)	Left "C" pillar. See Fig. 5.
Rear Side Air Bag Igniter (Right) (7)	Right "C" pillar. See Fig. 5.
Resetting Ring (12)	Top of steering column. See Fig. 44.
Satellite Radio (4)	Left rear of trunk. See Fig. 3.
Side Air Bag Igniter (Driver) (11)	Outer side of driver's seat back. See Fig. 5.
Side Air Bag Igniter (Front Passenger) (4)	Outer side of front passenger's seat back. See Fig. 5.
Side Curtain Air Bag Igniter (Driver) (10)	In left roof rail. See Fig. 5.
Side Curtain Air Bag Igniter (Front Passenger) (5)	In right roof rail. See Fig. 5.
Telephone Amplifier (2)	Right side of trunk. See Fig. 20.
Telephone Transceiver	Under front passenger's seat.
Terminal 30 Wire Junction (A)	Middle of engine compartment plenum chamber. See Fig. 11.
TV Tuner	Left side of trunk.

Audi S4 Quattro 2010 - CONNECTORS

Audi S4 Quattro 2010 CONNECTORS LOCATION

Component	Location
T3h (Yellow, 3 Pin) (4)	Under front passenger's seat. See Fig. 43.
T3k (Yellow, 3 Pin) (4)	Under driver's seat. See Fig. 42.
T5c (Yellow, 5 Pin) (D)	On passenger's side 6-panel connector station. See Fig. 13.
T6i (Green, 6 Pin) (1)	Under driver's seat. See Fig. 42.
T6k (Green, 6 Pin) (1)	Under front passenger's seat. See Fig. 43.
T10ac (Gray, 10 Pin) (6)	On passenger's side 6-panel connector station. See Fig. 13.
T10m (Red, 10 Pin) (2)	Under front passenger's seat. See Fig. 43.
T10n (Black, 10 Pin) (3)	Under front passenger's seat. See Fig. 43.
T10o (Black, 10 Pin) (3)	Under driver's seat. See Fig. 42.
T10p (Red, 10 Pin) (2)	Under driver's seat. See Fig. 42.
T17b (Blue, 17 Pin) (6)	On driver's side 6-panel connector station. See Fig. 13.
T17c (Black, 17 Pin) (5)	On driver's side 6-panel connector station. See Fig. 13.
T17d (Brown, 17 Pin) (4)	On driver's side 6-panel connector station. See Fig. 13.
T17e (Red, 17 Pin) (2)	On driver's side 6-panel connector station. See Fig. 13.
T17f (Brown, 17 Pin) (5)	On passenger's side 6-panel connector station. See Fig. 13.
T17g (Black, 17 Pin) (4)	On passenger's side 6-panel connector station. See Fig. 13.
T17j (Green, 17 Pin) (1)	On driver's side 6-panel connector station. See Fig. 13.

Audi S4 Quattro 2010 - GROUNDS

Audi S4 Quattro 2010 GROUNDS LOCATION

Component	Location
G12 (Avant) (11)	Left rear of engine compartment. See Fig. 22.
G12 (Sedan) (11)	Left rear of engine compartment. See Fig. 21.
G50 (Avant) (9)	Left side of luggage compartment. See Fig. 22.
G50 (Sedan) (9)	Left side of luggage compartment. See Fig. 21.
G51 (Avant) (6)	Right side of luggage compartment. See Fig. 22.
G51 (Sedan) (6)	Right side of luggage compartment. See Fig. 21.
G61 (Avant) (8)	Behind left quarterpanel. See Fig. 22.
G61 (Sedan) (8)	Left "C" pillar. See Fig. 21.
G62 (5)	Right "C" pillar. See Fig. 21.
G615 (Avant) (13)	On left front strut tower. See Fig. 22.
G615 (Sedan) (13)	On left front strut tower. See Fig. 21.
G624 (Avant) (7)	Middle of luggage compartment, near battery. See Fig. 22.
G624 (Sedan) (7)	Middle of luggage compartment, near battery. See Fig. 21.
G638 (Avant) (2)	Behind right kick panel. See Fig. 22.
G638 (Sedan) (2)	Behind right kick panel. See Fig. 21.
G639 (Avant) (12)	Behind left kick panel. See Fig. 22.
G639 (Sedan) (12)	Behind left kick panel. See Fig. 21.
G654 (5)	Top of right "D" pillar. See Fig. 22.
G671 (Avant) (14)	On left front long member. See Fig. 22.
G671 (Sedan) (14)	On left front long member. See Fig. 21.
G685 (Avant) (1)	On right front long member. See Fig. 22.
G685 (Sedan) (1)	On right front long member. See Fig. 21.
G687 (Avant) (10)	Left side of center tunnel. See Fig. 22.
G687 (Sedan) (10)	Left side of center tunnel. See Fig. 21.
G688 (Avant) (3)	Right side of center tunnel. See Fig. 22.
G688 (Sedan) (3)	Right side of center tunnel. See Fig. 21.
G730 (Avant) (4)	Base of right "C" pillar. See Fig. 22.
G730 (Sedan) (4)	Base of right "C" pillar. See Fig. 21.