Electrical system up to 07.2010

Chapter overview

• Starter, current supply, CCS
  1
• 1 Battery
  1
• 1.1 Types of battery
  1
• 1.2 Warning notices and safety regulations
  1
• 1.3 Battery terminal connection
  1
• 2 Checking battery
  2
• 3 Charging battery
  3
• 4 Disconnecting and reconnecting battery
  4
• 4.1 Disconnecting battery
  4
• 4.2 Reconnecting battery
  4
• 5 Removing and installing battery
  6
• 5.1 Vehicles with a petrol engine
  6
• 5.2 Vehicles with a diesel engine
  7
• 6 Specified torques: battery
  9
• 7 Starter
  10
• 7.1 Removing and installing starter, automatic gearbox
  10
• 7.2 Removing and installing starter, manual gearbox
  19
• 7.3 Removing and installing starter, dual clutch gearbox (DSG)
  37
• 8 Specified torques: starter
  47
• 9 Alternator
  48
• 9.1 Securing B+ (battery positive) wire to alternator
  48
• 9.2 Checking poly V-belt
  48
• 9.3 Alternator, 1.4 l TSI engine
  48
• 9.4 Alternator, 1.6 l injection engine
  54
• 9.5 Alternator, 1.6 l FSI engine
  60
• 9.6 Alternator, 2.0 l FSI engine
  64
• 9.7 Alternator, 2.0 l natural gas engine
  72
• 9.8 Alternator, 1.9 l and 2.0 l TDI engine (with no dual clutch gearbox “DSG”)
  79
• 9.9 Alternator, 1.9 l and 2.0 l TDI engine (with dual clutch gearbox “DSG”)
  89
• 9.10 Removing and installing poly V-belt pulley on alternator
  96
• 9.11 Voltage regulator for alternator
  101
• 10 Cruise control system (CCS)
  104
• Gauges, instruments
  105
• 1 Dash panel insert
  105
• 1.1 Renewing dash panel insert
  105
• 1.2 Removing and installing dash panel insert
  106
• 1.3 Description of back of dash panel insert
  106
• 1.4 Warning lamp symbols in dash panel insert, vehicles to 09/06
  107
• 1.5 Warning lamp symbols in dash panel insert, vehicles from 10/06
  109
• 2 Service interval display
  111
• 2.1 Resetting service interval display
  111
• Windscreen wash/wipe system
  112
• 1 Windscreen wiper system (opposing action system)
  112
• 1.1 General description
  112
• 1.2 Deactivating APP function of wiper motors
  113
• 1.3 Removing and installing windscreen wiper system
  113
• 1.4 Removing and installing wiper arms
  117
• 1.5 Adjusting wiper blade park position
  118
• 1.6 Removing and installing joint-free wipers
  119
• 1.7 Removing and installing wiper blade of joint-free wiper
  119
• 1.8 Removing and installing rain and light sensor G397
  121
• 2 Windscreen wiper system (parallel action system)
  124
• 2.1 General description
  124
• 2.2 Deactivating APP function of wiper motor
  124
• 2.3 Removing and installing windscreen wiper system
  125
• 2.4 Removing and installing wiper arms
  128
• 2.5 Adjusting windscreen wiper park position
  129
• 2.6 Removing and installing joint-free wipers
  130
• 2.7 Removing and installing wiper blade of joint-free wiper
  131
• 2.8 Removing and installing rain and light sensor G397
  133
• 3 Windscreen washer system
  136
• 3.1 Assembly overview - windscreen washer system
  136
• 3.3 Removing and installing windscreen and rear window washer pump V59
  142
• 3.4 Removing and installing windscreen washer fluid level sender G33
  142
• 3.5 Removing and installing windscreen washer system spray jets
  143
• 3.6 Adjusting windscreen washer system spray jets
  144
• 4 Rear window wiper system
  145
• 4.1 Removing rear window wiper
  145
• 4.2 Adjusting rear window wiper park position
  147
• 4.3 Renewing wiper rubber blade
  147
• 4.4 Removing and installing joint-free wiper
  148
• 5 Rear window washer system
  150
• 5.1 Assembly overview - rear window washer system
  150
• 5.2 Renewing spray jet
  151
• 5.3 Adjusting spray jet
  151
• 6 Headlight washer system
  152
• 6.1 Assembly overview - headlight washer system
  152
• 6.2 Removing and installing headlight washer system pump V11
  154
• 6.3 Removing and installing spray jet pop-up cylinders
  154
• 6.4 Removing and installing spray jet assembly
  155
• 6.5 Adjusting headlight washer system spray jets
  156
• 6.6 Bleeding headlight washer system
  156
• 7 Washer fluid line hose couplings
  157
• 8 Hose repair
  158
• 9 Specified torques: window wash/wipe system
  159
• Lights, bulbs, switches - exterior
  160
• 1 Headlights with halogen bulbs, vehicles to 09/06
  160
• 1.1 General description
  160
• 1.2 Assembly overview - headlights with halogen bulbs
  160
• 1.3 Removing and installing headlight
  162
• 1.4 Adjusting headlight installation position
  163
• 1.5 Renewing headlight bulbs
  164
• 1.6 Removing and installing headlight range control motor
  169
• 1.7 Repairing headlight retaining tabs
  171
• 1.8 Converting headlights for use when driving on the left or right
  172
• 1.9 Adjusting headlights
  175
• 2 Headlights with halogen bulbs, vehicles from 10/06
  176
• 2.1 General description
  176
• 2.2 Assembly overview - headlights with halogen bulbs, vehicles from 10/06
  176
• 2.3 Removing and installing headlight
  178
• 2.4 Adjusting headlight installation position
  179
• 2.5 Renewing headlight bulbs
  180
• 2.6 Headlight range control motor
  186
• 2.7 Repairing headlight retaining tabs
  188
• 2.8 Converting headlights for use when driving on the left or right
  190
• 3 Headlights with gas discharge bulbs
  193
• 3.1 General description
  193
• 3.2 Assembly overview - gas discharge headlights
  193
• 3.3 Removing and installing headlight
  195
• 3.4 Adjusting headlight installation position
  195
• 3.5 Renewing headlight bulbs
  195
• 3.6 Removing and installing headlight range control motor
  197
• 3.7 Removing and installing gas discharge bulb control unit
  199
• 3.8 Headlight range control unit J431
  200
• 3.9 Vehicle level sender
  200
• 3.10 Repairing headlight retaining tabs
  203
• 3.11 Converting headlights for use when driving on the left or right
  203
• 3.12 Adjusting headlights
  204
• 4 Headlights with gas discharge bulbs and cornering lights
  205
• 4.1 General description
  205
• 4.4 Adjusting headlight installation position
  209
• 4.5 Renewing headlight bulbs
  210
• 4.6 Headlight range control motor
  217
• 4.7 Control motor for dynamic cornering light
  217
• 4.8 Static cornering light
  218
• 4.9 Swivel module position sensor
  218
• 4.10 Dipped beam screen
  219
• 4.11 Electronic starter unit with AFS output module
  219
• 4.12 Headlight range control unit
  220
• 4.13 Vehicle level sender
  221
• 4.14 Converting headlights for use when driving on the left or right
  223
• 4.15 Adjusting headlights
  225
• 4.16 Operation and safety notes for gas discharge bulbs
  225
• 5 Fog lights
  228
• 5.1 Removing and installing fog light
  228
• 5.2 Removing and installing left fog light bulb L22 or right fog light bulb L23
  228
• 5.3 Adjusting fog lights
  229
• 6 Turn signal in exterior mirror
  230
• 6.1 Removing and installing turn signal in exterior mirror
  230
• 7 Tail lights (tail light cluster)
  231
• 7.1 Assembly overview - tail light
  231
• 7.2 Removing and installing tail light
  231
• 7.3 Removing and installing tail light bulb carrier
  233
• 7.4 Adjusting installation position of tail light
  234
• 8 Number plate light
  235
• 8.1 Removing and installing number plate light X
  235
• 9 Additional brake light
  236
• 9.1 Removing and installing additional brake light M25
  236
• 10 Steering column switch
  238
• 10.1 Assembly overview - steering column switch
  238
• 10.2 Removing and installing steering column switch
  240
• 10.3 Steering column electronics control unit J527
  246
• 10.4 Steering angle sender G85
  246
• 11 Ignition/starter switch and lock cylinder
  247
• 11.1 Removing and installing steering lock housing
  247
• 11.2 Removing and installing lock cylinder
  247
• 11.3 Removing and installing ignition/starter switch
  249
• 11.4 Removing and installing ignition key withdrawal lock solenoid N376
  250
• 12 Rear parking aid (PDC)
  252
• 12.1 General description
  252
• 12.2 Assembly overview - rear parking aid (PDC)
  252
• 12.3 Rear parking aid control unit
  254
• 12.4 Removing and installing rear parking aid sender
  256
• 12.5 Removing and installing rear parking aid warning buzzer H15
  257
• 12.6 Rear parking aid final control diagnosis
  258
• 13 Front parking aid (PDC)
  259
• 13.1 General description
  259
• 13.2 Assembly overview - front parking aid (PDC)
  259
• 13.3 Control unit for front parking aid
  259
• 13.4 Front parking aid senders
  259
• 13.5 Front parking aid button E266
  259
• 13.6 Front parking aid warning buzzer H22
  260
• 14 Park assist steering (PAS)
  261
• 14.1 General description
  261
• 14.2 Assembly overview of park assist steering
  262
• 14.3 Park assist steering control unit J791
  264
• 14.4 Front parking aid sender and park assist steering sender
  265
• 14.6 Park assist steering button E581
  271
• 14.7 Front parking aid warning buzzer H22
  271
• 14.8 Rear parking aid warning buzzer H15 (vehicles with park assist steering)
  272
• 15 Specified torques: lights, bulbs, switches - exterior
  274
• 15.1 Specified torques: headlights
  274
• 15.2 Specified torques: fog lights
  274
• 15.3 Specified torques: tail light cluster
  274
• 15.4 Specified torques: vehicle level sender
  274
• Lights, bulbs, switches - interior
  275
• 1 Interior lights and switches
  275
• 2 Lights and switches in engine compartment
  278
• 2.1 Removing and installing bonnet contact switch F266
  278
• 3 Lights and switches in dash panel
  279
• 3.1 Removing and installing light switch E1
  279
• 3.2 Removing and installing glove compartment light W6 and glove compartment light switch E26
  280
• 3.4 Removing and installing key-operated switch to deactivate front passenger side airbag E224
  283
• 3.6 Removing and installing hazard warning light switch E3
  284
• 4 Lights and switches in front doors
  286
• 4.1 Front left entry light W31 and front right entry light W32
  286
• 4.2 Removing and installing window regulator switch in front passenger door E107
  288
• 4.3 Removing and installing switch element for mirror adjustment on driver side
  289
• 4.4 Removing and installing driver side interior locking button for central locking system E308
  290
• 4.5 Components - front door locks
  291
• 4.6 Removing and installing driver side window regulator switch element
  291
• 4.7 Removing and installing fuel tank flap release button E319
  293
• 5 Lights and switches in rear doors
  295
• 5.1 Rear left entry light W33 and rear right entry light W34
  295
• 5.2 Components - rear door locks
  295
• 6 Lights and switches in luggage compartment
  297
• 6.1 Removing and installing luggage compartment light W3
  297
• 6.2 Removing and installing rear lid locking unit F256
  298
• 7 Lights and switches in roof trim
  299
• 7.1 Front interior and reading lights
  299
• 7.2 Removing and installing sliding sunroof switch E8
  303
• 7.3 Rear interior and reading lights
  304
• 7.4 Removing and installing light for vanity mirror
  308
• 8 Lights and switches in centre console
  310
• 8.1 Removing and installing buttons in centre console storage compartment
  310
• 9 12 V socket
  312
• 10 Cigarette lighter U1
  313
• 11 Horn
  314
• 11.1 Removing and installing treble horn H2 and bass horn H7
  314
• 11.2 Checking treble horn H2 and bass horn H7
  316
• 11.3 Horn plate H
  316
• 12 Immobiliser, vehicles up to 09.06
  317
• 12.1 Immobiliser control unit J362
  317
• 12.2 Immobiliser reader coil D2
  317
• 12.3 Ignition key
  318
• 12.4 Exchanging all immobiliser components
  318
• 12.5 Online system test
  318
• 13 Immobiliser, vehicles from 10/06
  319
• 13.1 Immobiliser control unit J362
  320
• 13.2 Ignition key
  320
• 13.3 New identity on renewing all components
  320
• 13.4 Fazit system test
  320
• 14 Anti-theft alarm (ATA)
  322
• 14.1 Activating and deactivating anti-theft alarm
  322
• 14.3 Removing and installing interior monitoring sensor G273
  323
• 14.4 Removing and installing vehicle inclination sender G384
  323
• 14.5 Central locking and anti-theft alarm system aerial R47
  324
• 14.6 Alarm horn H12
  324
• 15 Specified torques: lights, bulbs and switches - interior
  326
• 15.1 Torque settings: alarm horn H12
  326
• 15.2 Torque settings: alarm horns
  326
• Wiring
  327
• 1 Vehicle diagnosis, testing and information systems
  327
• 2 Removing and installing fuse holder
  328
• 2.1 Removing and installing fuse holder on left beneath dash panel
  328
• 3 Removing and installing relay carrier
  329
• 3.1 Removing and installing relay carrier on left of dash panel
  329
• 3.2 Removing and installing relay carrier on onboard supply control unit
  329
• 4 Removing and installing electronics boxes (E-boxes)
  331
• 5 Control units
  340
• 5.1 Onboard supply control unit J519 , vehicles to 05/10
  341
• 5.2 Onboard supply control unit J519 , vehicles from 06/10
  343
• 5.3 Convenience system central control unit J393
  346
• 5.4 Data bus diagnostic interface J533 (gateway)
  349
• 5.5 Trailer detector control unit J345
  351
• 5.6 Trailer detector control unit J345 from 06/2007
  354
• 5.7 Special vehicle control unit J608
  356
• 6 Specified torques: wiring
  358
• 6.1 Specified torques: E-box on left side of engine compartment up to 10/2008
  358
• 7 Wiring harness and connector repairs
  359