A1: Vehicle electrics
Steering & suspension
Body & interior
Engine
Transmission
General
Heating & A/C
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Electrical system276 pages
Starter-current supply-CC37 pages
- Contact corrosion
Battery16 pages
- Battery - general notes
- Maintenance-free batteries
- Exploded view of battery
- Disconnecting and connecting battery in engine compartment
- Disconnecting and connecting battery in luggage compartment
- Removing and installing earth cable with battery monitor control unitJ367 in engine compartment
- Removing and installing earth cable with battery monitor control unitJ367 in luggage compartment
- Removing and installing battery in engine compartment
- Removing and installing battery in luggage compartment
- Removing and installing battery mounting
- Checking battery
- Charging battery
- Preparations before charging battery
- Preparations for back-up power supply of battery
- Removing and installing battery isolation igniterN253
Alternator6 pages
- Exploded view of alternator with sliding bushes
- Removing and installing alternator - vehicles with 1.2 ltr. TFSI engine
- Removing and installing alternator - vehicles with 1.4 ltr. TFSI engine
- Removing and installing alternator - vehicles with 1.4 ltr. TFSI engine with supercharger
- Removing and installing alternator - vehicles with TDI engine
Starter6 pages
- Exploded view of starter - manual gearbox
- Removing and installing starter - vehicles with 1.2 ltr. TFSI engine
- Removing and installing starter - vehicles with TDI engine
- Exploded view of starter - dual clutch gearbox
- Removing and installing starter - vehicles with 1.4 ltr. TFSI engine and dual clutch gearbox
- Cruise control system (CCS)
Instruments, GCI24 pages
- Contact corrosion
Instrument cluster7 pages
- Exploded view of instrument cluster and radio-controlled clock receiver
- Removing and installing instrument cluster with control unit in dash panel insertJ285
- Pin assignment at multi-pin connector on instrument cluster
- Pin assignment at coolant temperature senderG62 - FSI engines
- Pin assignment at coolant temperature senders G62/G83 - TDI engines
- Removing and installing ambient temperature sensorG17
Data bus diagnostic interface6 pages
- Exploded view of data bus diagnostic interface
- Data bus diagnostic interfaceJ533
- Removing and installing data bus diagnostic interfaceJ533
- Pin assignment of multi-pin connector on data bus diagnostic interfaceJ533 - without fibre optic cable
- Pin assignment of multi-pin connector on data bus diagnostic interfaceJ533 - with fibre optic cable
Windscreen wipe/wash system37 pages
- Contact corrosion
- Overview of windscreen wiper and washer system / headlight washer system
Windscreen washer system8 pages
- Exploded view of washer fluid reservoir, washer fluid hoses and washer jets
- Removing and installing filler neck for washer fluid reservoir
- Removing and installing washer fluid reservoir
- Removing and installing washer fluid level senderG33
- Removing and installing washer pumpV5
- Removing and installing washer jets
- Adjusting washer jets
- Overview of rear window wiper and washer system
Rear window wiper and washer system12 pages
- Exploded view of rear window wiper and rear window wiper motor
- Renewing wiper blade
- Removing and installing wiper arm
- Adjusting wiper arm
- Removing and installing rear window wiper motorV12
- Removing and installing grommet
- Exploded view of washer fluid reservoir, washer fluid hose and washer jet
- Removing and installing washer pumpV5
- Removing and installing washer jet
- Adjusting washer jet
- Removing and installing washer fluid reservoir
- Washer fluid hoses
Lights, lamps, switches outside81 pages
- Contact corrosion
Mounting for headlight housing3 pages
Halogen headlights10 pages
- Exploded view of halogen headlight
- Removing and installing headlight housing
- Renewing headlight dipped beam bulb M29/M31
- Renewing headlight main beam bulb M30/M32
- Renewing side light bulb M1/M3 or daytime running light bulb L174/L175
- Renewing front turn signal bulb M5/M7
- Removing and installing headlight range control motor V48/V49
- Adjusting headlights from right-hand traffic to left-hand traffic
- Adjusting headlights from left-hand traffic to right-hand traffic
Gas discharge headlights12 pages
- Safety precautions when handling gas discharge bulbs
- Exploded view of gas discharge headlight
- Removing and installing headlight housing
- Renewing gas discharge bulb L13/L14
- Renewing LED module for daytime running light and side light L176/L177
- Removing and installing control unit for daytime running light and side light J860/J861
- Removing and installing dip beam screen V294/V295
- Renewing front turn signal bulb M5/M7
- Removing and installing left/right gas discharge bulb control unit J343/J344
- Removing and installing headlight range control motor V48/V49
- Converting headlights for driving on the left or right side of the road
Automatic headlight range control3 pages
Checking and adjusting headlight settings4 pages
Tail light cluster in rear lid4 pages
Steering column switch module and ignition lock9 pages
- Exploded view of steering column switch module and ignition lock
- Removing and installing lock cylinder
- Removing and installing ignition/starter switchD
- Removing and installing steering column switch module
- Removing and installing steering column electronics control unitJ527
- Pin assignment on steering column electronics control unitJ527
- Removing and installing turn signal switchE2, cruise control system switchE45, intermittent wiper switchE22
- Removing and installing steering lock housing
Steering column switch module and electronic ignition lock8 pages
- Exploded view of steering column switch module, electronic ignition lock
- Removing and installing steering column switch module
- Removing and installing steering column electronics control unitJ527
- Pin assignment on steering column electronics control unitJ527
- Removing and installing turn signal switchE2, cruise control system switchE45, intermittent wiper switchE22
- Removing and installing immobilizer reader coilD2
- Removing and installing electronic steering column lock control unitJ764
Parking aid7 pages
- Overview of parking aid
- Removing and installing parking aid control unitJ446
- Removing and installing front parking aid warning buzzerH22 - 8-channel parking aid
- Removing and installing rear parking aid warning buzzerH15
- Removing and installing front parking aid senders G252/G253/G254/G255
- Removing and installing rear parking aid senders G203/G204/G205/G206
Lights, lamps, switches inside, anti-theft system65 pages
- Contact corrosion
Lights and switches in dash panel11 pages
- Overview of lights and switches in dash panel
- Removing and installing light switchE1
- Removing and installing switch and instrument illumination regulatorE20
- Removing and installing entry and start authorisation buttonE408
- Removing and installing switch panel (top) in dash panel
- Removing and installing switch panel (bottom) in dash panel
- Removing and installing mounting for switch panel (bottom)
- Removing and installing glove compartment lightW6
- Removing and installing glove compartment light switchE26
- Removing and installing front footwell light K268/K269
Lights and switches in front doors12 pages
- Overview of lights and switches in doors
- Removing and installing mirror adjustment switch E43/E168
- Removing and installing operating unit for window regulator in driver doorE512
- Window regulator switch in front passenger doorE107
- Removing and installing driver side interior locking switchE150
- Removing and installing door opener illumination bulb L108/L109
- Removing and installing central locking deadlock function warning lamp -SAFE-K133
- Removing and installing bulb for door puller
- Removing and installing light 1 for front door background lighting L199/L200 and light 2 for front door background lighting L203
- Removing and installing door contact switch F2/F3
- Removing and installing front entry light W31/W32
Lights and switches in centre console and luggage compartment5 pages
Lights and switches in roof trim8 pages
- Overview of lights and switches in roof trim
- Removing and installing vanity mirror light bulbL31
- Removing and installing contact switch for vanity mirror F147/F148
- Removing and installing interior light/reading light (front)
- Removing and installing front interior lightW1 - vehicles without LED
- Renewing LED for interior light/reading light (front)
- Removing and installing sunroof buttonE325
Entry and start authorisation system10 pages
- Overview of entry and start authorisation system
- Overview of keyless entry system
- Exploded view of exterior door handle for keyless entry system
- Removing and installing driver door exterior handle touch sensorG415
- Removing and installing entry and start authorisation control unitJ518
- Removing and installing interior aerial 1 for entry and start authorisationR138
- Removing and installing interior aerial 2 for entry and start authorisationR139
- Removing and installing driver side aerial for entry and start authorisationR134
- Removing and installing rear bumper aerial for entry and start authorisationR136
Wiring32 pages
- Contact corrosion
Relay carriers, fuse carriers - battery in engine compartment7 pages
- Overview of electronics box in engine compartment, wiring junction and battery fuse holder
- Removing and installing bracket for fuse holder BSB
- Removing and installing fuse holder BSB
- Removing and installing securing bar for fuse holder BSB
- Removing and installing fuse holder
- Unplugging door separating connector
Relay carriers, fuse carriers - battery in luggage compartment8 pages
- Overview of electronics box in engine compartment, wiring junction and battery fuse holder
- Removing and installing fuse holder BSB
- Removing and installing securing bar for fuse holder BSB
- Removing and installing mounting for fuse holder BSB
- Removing and installing suppression filterC24
- Unplugging door separating connector
- Removing and installing fuse holder ASA in luggage compartment
Relay carriers, fuse carriers (vehicle interior)9 pages
- Overview of relay carrier/fuse carrier (dash panel)
- Removing and installing fuse holder CSC with fuse carrier in dash panel (left-side)
- Removing and installing fuse carrier in dash panel (left-side)
- Removing and installing 5-position relay carrier
- Removing and installing onboard supply control unitJ519
- Removing and installing relay/fuse holder FSF with onboard supply control unitJ519
- Removing and installing fuse holder DSD with fuse carrier in dash panel (right-side)
- Removing and installing fuse carrier in dash panel (right-side)
- Repairing wiring harnesses and electrical connectors
- Repairing connector housings and electrical connectors
- Releasing and dismantling connector housings
- Cleaning contact surfaces with contact surface cleaning setVAS 6410
- Repairing aerial wires
- Fibre optic cables
- Vehicle diagnostic, testing and information systems
Communication › Infotainment115 pages
Radio system12 pages
- General notes
- Overview of radio chorus (CAN)
- Overview of radio concert RMC (CAN)
- Overview of radio concert RMC (MOST)
- Radio systems - layout
- Pin assignment on radio chorus
- Pin assignment for radio concert (RMC)
- Pin assignment for display
- Removing and installing radio chorus
- Removing and installing radio concert
- Removing and installing display
Sound systems18 pages
- General notes
- Overview (saloon)
- Overview (Sportback)
- Sound systems - layout
- Microphone unit in front roof moduleR164 - overview
- Pin assignment for BOSE sound system (MMI)
- Removing and installing digital sound package control unit
- Removing and installing subwoofer
- Removing and installing rear effect loudspeakers
- Removing and installing rear mid-range and bass loudspeaker (saloon)
- Removing and installing rear mid-range and bass loudspeaker (Sportback)
- Removing and installing rear treble loudspeaker (saloon)
- Removing and installing rear treble loudspeaker (Sportback)
- Removing and installing front mid-range and bass loudspeakers / bass loudspeakers
- Removing and installing front treble loudspeakers
- Removing and installing front mid-range loudspeakers
- Removing and installing centre loudspeaker
Telephone system16 pages
- General notes
- Overview
- Mobile phone pre-installation (concert/MMI MOST) - layout
- Pre-fitted components for mobile phone installation - layout
- Bluetooth hands-free system (MOST) - layout
- Microphone unit in front roof moduleR164 - overview
- Pin assignment for mobile phone pre-installation (concert MOST)
- Pin assignment for mobile phone pre-installation (MMI)
- Pin assignment for pre-fitted components for mobile phone installation
- Pin assignment for Bluetooth hands-free system (concert MOST)
- Pin assignment for Bluetooth hands-free system (MMI)
- Pin assignment for aerial amplifier for mobile telephone
- Removing and installing telephone bracket
- Removing and installing aerial amplifier for mobile telephone
- Removing and installing microphone unit in front roof module
Connection for external audio sources7 pages
Multi-function steering wheel5 pages
Aerial system11 pages
- General notes
- Overview
- Pin assignment for aerial amplifier
Removing and installing aerial amplifiers4 pages
- Removing and installing roof aerial
- Removing and installing telephone aerial
- Removing and installing GPS aerial
Fitting instructions: radio communication systems › Infotainment › Service installation of radio communication systems30 pages
- General notes
- Transmission power and possible fitting locations
- Voltage supply
- Aerial and aerial wire
- Other auxiliary equipment
- Overview of batteryA / transmitter and receiver unit / fuse / wiring harness
- Transmission power levels and aerial fitting locations for A2 (from model year 2001 onwards)
- Transmission power levels and aerial fitting locations for A3 (from model year 1997 up to model year 2003)
- Transmission power levels and aerial fitting locations for A3 (from model year 2004 onwards)
- Transmission power levels and aerial fitting locations for A3 Cabriolet (from model year 2008 onwards)
- Transmission power levels and aerial fitting locations for A4 (from model year 1995 up to model year 2000)
- Transmission power levels and aerial fitting locations for A4 (from model year 2001 up to model year 2007)
- Transmission power levels and aerial fitting locations for A4 (from model year 2008 onwards)
- Transmission power levels and aerial fitting locations for A4 Cabriolet (from model year 2003 onwards)
- Transmission power levels and aerial fitting locations for A5 Cabriolet (from model year 2009 onwards)
- Transmission power levels and aerial fitting locations for A5 Coupé (from model year 2008 onwards)
- Transmission power levels and aerial fitting locations for A6 (from model year 1998 up to model year 2004)
- Transmission power levels and aerial fitting locations for A6 (from model year 2005 onwards)
- Transmission power levels and aerial fitting locations for A8 (from model year 1994 up to model year 2002)
- Transmission power levels and aerial fitting locations for A8 (from model year 2003 onwards)
- Transmission power levels and aerial fitting locations for A8 (from model year 2010 onwards)
- Transmission power levels and aerial fitting locations for Q5 (from model year 2008 onwards)
- Transmission power levels and aerial fitting locations for Q7 (from model year 2007 onwards)
- Transmission power levels and aerial fitting locations for R8 (from model year 2007 onwards)
- Transmission power levels and aerial fitting locations for R8 Spyder (from model year 2010 onwards)
- Transmission power levels and aerial fitting locations for TT (from model year 1999 up to model year 2006)
- Transmission power levels and aerial fitting locations for TT (from model year 2007 onwards)
- Transmission power levels and aerial fitting locations for A1 (from model year 2010 onwards)
- Transmission power levels and aerial fitting locations for A7 Sportback (from model year 2011 onwards)
Electrical system; General information107 pages
Starter-current supply-CC53 pages
Battery - general notes3 pages
Non maintenance-free batteries (without "magic eye")7 pages
Maintenance-free batteries10 pages
- Battery with "magic eye"
- Checking battery with "magic eye"
- Valve-regulated lead acid (VRLA) or absorbent glass mat (AGM) battery without "magic eye"
- Checking valve-regulated lead acid or AGM battery
- Central gas venting system
- Battery terminal screw connection
- Visual inspection of battery
- Checking colour indicator (electrolyte level in battery) - batteries with "magic eye"
- Checking electrolyte level in battery
Checking battery - vehicles without battery monitor control unitJ367 or energy management control unitJ6445 pages
- Checking battery using battery tester with printerVAS 6161
- Checking battery using battery tester with printerVAS 5097A
- Measuring no-load voltage - vehicles without battery monitor control unitJ367 or energy management control unitJ644
- Checking battery by measuring current draw - vehicles without battery monitor control unitJ367 or energy management control unit
Checking battery - vehicles with battery monitor control unitJ367 or energy management control unitJ644 and data bus diagnostic4 pages
- Checking battery using vehicle diagnostic tester
- Checking battery by measuring current draw - vehicles with battery monitor control unitJ367 or energy management control unitJ64
- Measuring no-load voltage - vehicles with battery monitor control unit J367 or energy management control unitJ644 "transpor
- Measuring no-load voltage - vehicles with battery monitor control unit J367 or energy management control unitJ644 "transpor
Charging battery6 pages
- Charging battery with battery chargerVAS 5095A, VAS 5900, VAS 5903, VAS 5904 or VAS 5906
- Totally discharged battery
- Rapid-charging battery - vehicles without battery monitor control unitJ367 or energy management control unitJ644
- Back-up power supply of battery via battery chargerVAS 5095A, VAS 5900, VAS 5903, VAS 5904 or VAS 5906
- Maintaining battery charge with solar panel VAS 6102 A
Checking and servicing alternator17 pages
- Checking alternator
- Bosch alternator up to 2000 - exploded view
- Bosch alternator from 2001 onwards - exploded view
- Removing and installing voltage regulator - Bosch alternator from 2001 onwards
- Bosch alternator from 2007 onwards - exploded view
- Removing and installing voltage regulator - Bosch alternator from 2007 onwards
- Checking carbon brushes - all types of Bosch alternators from 2001 onwards
- Valeo alternator up to 2000 - exploded view
- Valeo alternator from 2001 onwards - exploded view
- Removing and installing voltage regulator - Valeo alternator from 2001 onwards
- Checking carbon brushes - Valeo alternator from 2001 onwards
- Removing and installing voltage regulator - Valeo alternator from 2007 onwards
- Checking carbon brushes - Valeo alternator from 2007 onwards
- Removing and installing poly V-belt pulley without free-wheel
- Removing and installing poly V-belt pulley with free-wheel
- Checking poly V-belt pulley with free-wheel
- Cruise control system - vehicles with electronic throttle
Windscreen wipe/wash system › Washer fluid hoses4 pages
- Lights, lamps, switches outside › Safety precautions when handling gas discharge bulbs
Lights, lamps, switches inside, anti-theft system12 pages
Immobilizer for vehicles without entry and start authorisation switchE415 (mechanical ignition lock)5 pages
- Immobilizer for vehicles with entry and start authorisation switchE415 (electronic ignition lock)
- Heated steering wheel
Wiring37 pages
Repairing wiring harnesses and electrical connectors11 pages
- General information on repairs to the vehicle electrical system
- ESD (electrostatic discharge) workplace VAS 6613
- Notes on repairing wiring harnesses and electrical connectors
- Repairing wiring for pyrotechnic components
- Repairing CAN bus wiring
- Repairing FlexRay wiring
- Repairing a 0.25 mm2 wire with a single crimp connector
- Repairing a wire of 0.35 mm2 section or thicker with a single crimp connector
- Repairing an 0.25 mm2 wire by connecting in an additional wire
- Repairing a wire of 0.35 mm2 section or thicker by connecting in an additional wire
Repairing connector housings and electrical connectors5 pages
Releasing and dismantling connector housings7 pages
Cleaning contact surfaces with contact surface cleaning setVAS 64105 pages
- Repairing aerial wires
Vehicle diagnostic, testing and information systems3 pages