Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Audi A3 8P facelift

BUZZERS, RELAYS & TIMERS

ComponentLocation
Coolant Circulation Pump Relay (R2)On fuse panel "B". (Схема №4)
Dual Washer Pump Relay 1 (B8)On relay carrier. (Схема №2)
Dual Washer Pump Relay 2 (B7)On relay carrier. (Схема №2)
Engine Component Power Supply Relay (Engine Code CBFA) (5.2)On 5-position fuse/relay carrier. (Схема №1)
Engine Component Power Supply Relay (R4)On fuse panel "B". (Схема №4)
Fuel Pump (FP) Relay (5.2)On 5-position fuse/relay carrier. (Схема №1)
Headlight Washer Relay (1)On 5-position fuse/relay carrier. (Схема №1)
Heated Seat Relay (SHZG)On relay carrier. (Схема №2)
Horn Relay (B6)On relay carrier. (Схема №2)
Load Reduction Relay (B9)On relay carrier. (Схема №2)
Motronic Engine Control Module (ECM) Power Supply Relay (R1)On fuse panel "B". (Схема №4)
Power Supply Relay (Terminal 50) (4)On 5-position fuse/relay carrier. (Схема №1)
Power Supply Relay 2 (Terminal 15) (B1)On relay carrier. (Схема №2)
Power Supply Relay 2 (Terminal 30, B+) (B4)On relay carrier. (Схема №2)
Rear Window Defogger Relay (B5)On relay carrier. (Схема №2)
Secondary Air Injection (AIR) Pump RelayUnderside of E-box assembly.

BUZZERS, RELAYS & TIMERS LOCATION

CIRCUIT PROTECTION DEVICES

ComponentLocation
Fuse Panel "B"Integrated in engine compartment E-box.
Main Fuse Panel "D"Right rear of luggage compartment.
Relay CarrierIntegrated in J519 vehicle electrical system control module.
5-Position Fuse/Relay CarrierUnder left side of dash. (Схема №122)

CIRCUIT PROTECTION DEVICES LOCATION

CONTROL UNITS

ComponentLocation
ABS Control ModuleAt right rear of engine compartment. (Схема №60)
Airbag Control ModuleUnder front of center console. (Схема №62)
All-Wheel Drive Control Module (A)Left front of rear axle differential. (Схема №119)
Comfort System Central Control Module (C)Right side of luggage compartment. (Схема №68)
Coolant Fan Control (FC) Control Module (1)Front of engine compartment. (Схема №116)
Direct Shift Gearbox (DSG) MechatronicOn transmission housing. (Схема №120)
Door Control Module (Driver's)Integrated in driver's door window regulator motor. (Схема №65)
Door Control Module (Front Passenger's)Integrated in right front door window regulator motor. (Схема №66)
Door Control Module (Left/Right Rear)Integrated in respective rear door window regulator motor. (Схема №67)
Driver's Seat Heater Control ModuleUnder driver's seat. (Схема №121)
Fresh Air Blower Control Module (D)Below right side of dash. (Схема №118)
Fuel Pump (FP) Control ModuleUnder right side of rear seat. (Схема №74)
Garage Door Opener Control Module (1)Under front bumper. (Схема №117)
Headlight Range Control ModuleBehind right center of dash. (Схема №113)
High Intensity Gas Discharge Light Control Module (Left/Right)Behind respective headlight assembly. (Схема №115)
Instrument Cluster Control ModuleBehind instrument cluster. (Схема №114)
Left Antenna ModuleLeft side of luggage compartment lid. (Схема №96)
Motronic Engine Control Module (ECM)In center of plenum chamber. (Схема №61)
Power Steering Control ModuleBelow steering rack. (Схема №70)
Power Sunroof Control ModuleFront center of roof. (Схема №63)
Seat Occupied Recognition Control ModuleOn base of front passenger's seat. (Схема №76)
Selector Lever Sensor System Control ModuleLeft side of selector lever base. (Схема №75)
Steering Column Electronic Systems Control ModuleUnder steering column. (Схема №72)
Throttle Valve Control ModuleOn throttle body. (Схема №64)
Vehicle Electrical System Control ModuleBelow left side of dash. (Схема №71)
Wiper Motor Control ModuleIntegral to windshield wiper motor. (Схема №69)

CONTROL UNITS LOCATION

MOTORS

ComponentLocation
After-Run Coolant PumpLeft side of engine, below oil filter. (Схема №108)
Electro-Mechanical Power Steering MotorBelow steering rack. (Схема №107)
Intake Flap MotorRear of left cylinder head. (Схема №106)
Rear Window Wiper MotorCenter of cargo area lid. (Схема №105)
Recirculation Flap MotorBehind glove box. (Схема №104)
Sunroof MotorCenter front of roof. (Схема №103)
Throttle Drive (Electronic Power Control (EPC))Under engine top cover. (Схема №33)
Windshield Wiper MotorIn left side of plenum chamber. (Схема №102)

MOTORS LOCATION

SENDING UNITS/SENSORS

ComponentLocation
Accelerator Pedal Position Sender 2At accelerator pedal. (Схема №32)
Air Quality SensorIn right plenum chamber. (Схема №37)
Brake Pressure Sensor 1Right rear of engine compartment. (Схема №36)
Camshaft Position (CMP) SensorFront of cylinder head. (Схема №48)
Charge Air Pressure SensorIn charge air pipe. (Схема №44)
Engine Coolant Temperature (ECT) SensorRight rear of engine. (Схема №54)
Engine Speed (RPM) SensorOn engine block near transmission. (Схема №41)
Evaporator Vent Temperature SensorRight front of center console. (Схема №39)
Front Air Bag Crash Sensor (Driver's)Left front of engine compartment. (Схема №42)
Front Air Bag Crash Sensor (Front Passenger's)Right front of engine compartment. (Схема №43)
Fuel Pressure SensorOn left side of engine, in fuel rail. (Схема №38)
Heated Oxygen Sensor (HO2S)In exhaust, at turbocharger exit. (Схема №46)
Intake Air Temperature (IAT) SensorLeft side of engine. (Схема №50)
Intake Manifold Runner Position SensorOn cylinder head, in intake manifold. (Схема №45)
Knock Sensor (KS) 1On left front of engine block, near head. (Схема №53)
Knock Sensor (KS) 2On left rear of engine block, near head. (Схема №55)
Low Fuel Pressure SensorLeft rear of engine. (Схема №49)
Mass Air Flow (MAF) SensorOn intake air duct. (Схема №56)
Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC)Under vehicle, in exhaust. (Схема №29)
Oxygen Sensor (O2S) HeaterIn exhaust at turbocharger exit. (Схема №109)
Oxygen Sensor (O2S) Heater 1 Behind Three Way Catalytic Converter (TWC)Under vehicle, in exhaust. (Схема №112)
Rain/Light Recognition SensorOn interior rearview mirror. (Схема №47)
Seat Occupied Recognition Pressure SensorOn base of front passenger's seat. (Схема №51)
Seat Occupied Recognition Safety Belt Force SensorIn front passenger's seat belt latch. (Схема №52)
Side Air Bag Crash Sensor (Driver's)In driver's door. (Схема №30)
Side Air Bag Crash Sensor (Front Passenger's)In front passenger's door. (Схема №31)
Steering Angle SensorBehind steering wheel. (Схема №58)
Steering Torque SensorIn power steering rack. (Схема №40)
Sunlight Photo SensorTop left center of dash. (Схема №28)
Throttle Drive Angle Sensor 1 (Electronic Power Control (EPC))Under engine top cover. (Схема №34)
Throttle Drive Angle Sensor 2 (Electronic Power Control (EPC))Under engine top cover. (Схема №35)
Throttle Position (TP) SensorOn accelerator pedal. (Схема №57)

SENDING UNITS & SENSORS LOCATION

SOLENOIDS & SOLENOID VALVES

ComponentLocation
Camshaft Adjustment Valve 1Top rear of right cylinder head. (Схема №81)
Cylinder 1 Fuel InjectorRight side of engine, below intake manifold. (Схема №88)
Cylinder 2 Fuel InjectorRight side of engine, below intake manifold. (Схема №89)
Cylinder 3 Fuel InjectorRight side of engine, below intake manifold. (Схема №90)
Cylinder 4 Fuel InjectorRight side of engine, below intake manifold. (Схема №91)
Evaporative Emissions (EVAP) Canister Purge Regulator ValveLeft rear of engine. (Схема №95)
Fuel Pressure Regulator ValveRear of engine. (Схема №85)
Ignition Switch Key Lock SolenoidAt ignition switch, on steering column. (Схема №92)
Shift Lock SolenoidFront of selector lever base. (Схема №77)
Turbocharger Recalculating ValveTop front of engine. (Схема №82)
Wastegate Bypass Regulator ValveRight rear of engine compartment. (Схема №94)

SOLENOIDS & SOLENOID VALVES LOCATION

SWITCHES

ComponentLocation
Brake Fluid Level Warning SwitchIn brake fluid reservoir cap. (Схема №3)
Brake Light SwitchTop of brake pedal assembly. (Схема №22)
Driver's Safety Belt SwitchIn driver's seat belt latch. (Схема №20)
Engine Coolant Level (ECL) Warning SwitchOn coolant reservoir. (Схема №26)
Front Hood SwitchBase of engine compartment hood latch. (Схема №24)
Front Passenger's Safety Belt SwitchIn front passenger's seat belt latch. (Схема №21)
Parking Brake Warning Light SwitchAt base of parking brake lever assembly. (Схема №27)
Selector Lever Park Position Lock SwitchForward of gear selector assembly. (Схема №25)

SWITCHES LOCATION

MISCELLANEOUS

ComponentLocation
Air Bag Spiral Spring/Return Spring W/Slip RingBehind steering wheel. (Схема №23)
Alarm HornIn right front wheelwell. (Схема №59)
Amplifier (W/Bose)Right side of luggage compartment. (Схема №97)
Antenna AmplifierTop left side of cargo area lid. (Схема №99)
Battery Interrupt Igniter (5)On main fuse panel "D". (Схема №5)
Data Bus On Board Diagnostic InterfaceBehind center console storage compartment. (Схема №73)
Head Curtain Airbag Igniter (Driver's)Left rear side of roof. (Схема №83)
Head Curtain Airbag Igniter (Front Passenger's)Right rear side of roof. (Схема №84)
Ignition Coil 1 With Power Output StageTop of cylinder head, above cylinder no. 1. (Схема №93)
Ignition Coil 2 With Power Output StageTop of cylinder head, above cylinder no. 2. (Схема №78)
Ignition Coil 3 With Power Output StageTop of cylinder head, above cylinder no. 3. (Схема №86)
Ignition Coil 4 With Power Output StageTop of cylinder head, above cylinder no. 4. (Схема №87)
Inside Microphone (W/Bose)Center front of roof. (Схема №101)
Rear Window Antenna 1Integral with rear window defogger. (Схема №98)
Safety Belt Tensioner Igniter 1 (Driver's)Base of left "B" pillar. (Схема №79)
Safety Belt Tensioner Igniter 1 (Front Passenger's)Base of right "B" pillar. (Схема №80)
Telephone/Navigation System (GPS)/Auxiliary Heater AntennaCenter rear of roof. (Схема №100)
Washer Nozzle Heater (Left)In left side of plenum chamber. (Схема №110)
Washer Nozzle Heater (Right)In right side of plenum chamber. (Схема №111)
Windshield Antenna Suppression FilterIn rear lid. (Схема №19)

MISCELLANEOUS LOCATION

GROUNDS

ComponentLocation
G12Left side of engine compartment. (Схема №6)
G43 (A)Behind right kick panel. (Схема №11)
G44 (A)Behind left kick panel. (Схема №12)
G51At right side of luggage compartment. (Схема №13)
G53Right side of rear lid. (Схема №14)
G61On left "C" pillar. (Схема №15)
G62On right "C" pillar. (Схема №16)
G607In left plenum chamber. (Схема №7)
G610Under front of center console. (Схема №17)
G638 (B)Behind right kick panel. (Схема №11)
G639 (B)Behind left kick panel. (Схема №12)
G655 (C)On left headlight. (Схема №10)
G656On right headlight. (Схема №8)
G662On left "C" pillar. (Схема №18)
G671 (A)On left front long member. (Схема №10)
G673On left front long member. (Схема №9)
G674 (B)On left front long member. (Схема №10)

GROUNDS LOCATION