Electrical system from 06.2011

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 connecting battery
  4
• 4.1 Assembly overview
  4
• 4.2 Disconnecting battery
  5
• 4.3 Connecting battery
  5
• 5 Removing and installing battery
  7
• 5.1 Assembly overview
  7
• 5.2 Removing and installing battery
  8
• 6 Starter, vehicles with manual gearbox
  14
• 6.1 Checking starter B
  14
• 6.2 Starter, vehicles with manual gearbox MQ500
  14
• 6.3 Removing and installing solenoid switch
  16
• 7 Starter, vehicles with automatic gearbox
  18
• 7.1 Starter, vehicles with automatic gearbox AQ450
  18
• 8 Starter, vehicles with dual clutch gearbox (DSG)
  22
• 8.1 Starter, vehicles with dual clutch gearbox DQ500 7F
  22
• 9 Alternator
  25
• 9.1 Securing B+ (battery positive) wire to alternator
  25
• 9.2 Checking poly V-belt
  25
• 9.3 Checking alternator C
  25
• 9.4 Alternator, 1.4 l TSI engine
  26
• 9.5 Alternator, 2.0 l TSI engine
  30
• 9.6 Alternator, 2.0 l TDI engine
  34
• 9.7 Removing and installing poly V-belt pulley on alternator
  38
• 9.8 Voltage regulator for alternator
  43
• 10 Cruise control system (CCS)
  46
• 11 Start/stop system
  47
• 11.1 General description
  47
• 11.2 Start/stop operation switch E693
  48
• 11.3 Voltage stabiliser J532
  48
• Gauges, instruments
  50
• 1 Dash panel insert
  50
• 1.1 General description
  50
• 1.2 Renewing dash panel insert
  50
• 1.3 Coding dash panel insert
  51
• 1.4 Removing and installing dash panel insert
  51
• 1.5 Description of back of dash panel insert
  52
• 1.6 Pin assignment of connections on dash panel insert
  52
• 1.7 Warning lamp symbols in dash panel insert
  52
• 2 Service interval display
  56
• 2.1 Resetting service interval display
  56
• Windscreen wash/wipe system
  57
• 1 Windscreen wiper system
  57
• 1.1 General description
  57
• 1.2 Deactivating APP function of wiper motor
  57
• 1.3 Assembly overview - windscreen wiper system
  58
• 1.4 Removing and installing wiper arms
  58
• 1.5 Removing and installing windscreen wiper system
  61
• 1.6 Removing wiper motor from wiper frame and installing
  62
• 1.7 Adjusting wiper blade park position
  63
• 1.8 Joint-free wipers
  65
• 1.9 Rain and light sensor G397
  67
• 2 Windscreen washer system
  71
• 2.1 General description
  71
• 2.2 Assembly overview - windscreen washer system
  71
• 2.3 Washer fluid reservoir
  73
• 2.4 Windscreen and rear window washer pump V59
  75
• 2.5 Windscreen washer fluid level sender G33
  76
• 2.6 Spray jets for windscreen washer system
  77
• 3 Rear window wiper system
  79
• 3.1 General description
  79
• 3.2 Assembly overview - rear window wiper system
  79
• 3.3 Removing and installing wiper arm
  80
• 3.4 Rear window wiper motor V12
  80
• 3.5 Adjusting rear window wiper park position
  81
• 3.6 Joint-free wiper blade
  82
• 4 Rear window washer system
  83
• 4.1 General description
  83
• 4.2 Assembly overview - rear window washer system
  83
• 4.3 Renewing spray jet
  84
• 4.4 Adjusting spray jet for rear window washer system
  84
• 5 Headlight washer system
  85
• 5.1 General description
  85
• 5.2 Assembly overview - headlight washer system
  85
• 5.3 Headlight washer system pump V11
  86
• 5.4 Spray jet pop-up cylinder
  87
• 5.5 Bleeding headlight washer system
  89
• 6 Washer fluid line hose couplings
  90
• 7 Hose repair
  91
• Lights, bulbs, switches - exterior
  92
• 1 Electrical components
  92
• 2 Operation and safety notes for gas discharge lamps
  93
• 3 Headlight with halogen bulbs
  94
• 3.1 General description
  94
• 3.2 Assembly overview - headlights with halogen bulbs
  94
• 3.3 Removing and installing headlights with halogen bulbs
  96
• 3.4 Adjusting headlight installation position
  97
• 3.5 Replacing bulbs of headlights with halogen bulbs
  99
• 3.6 Headlight range control motor
  104
• 3.7 Repairing headlight retaining tabs
  106
• 3.8 Converting headlights for use when driving on the left or right
  109
• 3.9 Adjusting headlights
  112
• 4.1 General description
  113
• 4.4 Adjusting headlight installation position
  117
• 4.6 LED module for daytime running light and side light
  121
• 4.7 Headlight range control motor
  121
• 4.8 Gas discharge bulb control unit
  121
• 4.9 Power output module for headlight
  122
• 4.10 Cornering light and headlight range control unit J745
  123
• 4.11 Vehicle level sender
  125
• 4.12 Repairing headlight retaining tabs
  126
• 4.13 Converting headlights for use when driving on the left or right
  126
• 4.14 Adjusting headlights
  127
• 5 Gas discharge headlights with dynamic main beam regulation
  128
• 5.1 General description
  128
• 5.4 Adjusting headlight installation position
  132
• 5.6 LED module for daytime running light and side light
  136
• 5.7 Headlight range control motor
  136
• 5.8 Gas discharge bulb control unit
  136
• 5.9 Power output module for headlight
  137
• 5.10 Cornering light and headlight range control unit J745
  138
• 5.11 Vehicle level sender
  140
• 5.12 Repairing headlight retaining tabs
  141
• 5.13 Converting headlights for use when driving on the left or right
  141
• 5.14 Adjusting headlights
  142
• 6 Fog lights
  143
• 6.1 General description
  143
• 6.2 Assembly overview - fog lights
  143
• 6.3 Removing and installing fog light
  144
• 6.4 Removing and installing fog light bulb / static cornering light bulb
  145
• 6.5 Adjusting fog lights
  145
• 7 Turn signal repeater and entry light in exterior mirror
  146
• 7.1 General description
  146
• 7.2 Turn signal repeater bulb
  146
• 7.3 Entry light in exterior mirror
  147
• 8 Tail light cluster
  148
• 8.1 Tail light cluster in side panel
  148
• 8.2 Tail light cluster in rear lid
  154
• 9 High-level brake light
  160
• 9.1 High-level brake light bulb M25
  160
• 10 Number plate light
  162
• 10.1 Number plate light X
  162
• 11 Reversing light in bumper cover
  165
• 11.1 Removing and installing left reversing light X1 and right reversing light X2
  165
• 11.2 Renewing left reversing light bulb M16 or right reversing light bulb M17
  165
• 12 Side marker lights
  166
• 12.1 Front side marker light, vehicles for USA and Canada
  166
• 12.2 Rear side marker light, vehicles for USA and Canada
  168
• 13 Steering column switch
  169
• 13.1 General description
  169
• 13.2 Assembly overview - steering column switch
  170
• 13.3 Removal and installation sequence of components of steering column switch
  172
• 13.4 Steering column electronics control unit J527
  173
• 13.5 Steering column combination switch E595
  179
• 13.6 Steering column switch base
  182
• 14 Steering column switch, vehicles with entry and start authorisation
  188
• 14.1 General description
  188
• 14.2 Assembly overview - steering column switch
  189
• 14.3 Removal and installation sequence of components of steering column switch
  191
• 14.4 Steering column electronics control unit J527
  192
• 14.5 Steering column combination switch E595
  197
• 14.6 Steering column switch base
  201
• 14.7 Control unit for electronic steering column lock J764
  207
• 15 Ignition/starter switch and lock cylinder
  210
• 15.1 Steering lock housing
  210
• 15.2 Lock cylinder
  211
• 15.3 Ignition/starter switch
  214
• 15.4 Ignition key withdrawal lock solenoid N376
  216
• 16 Entry and start authorisation (KESSY)
  217
• 16.1 General description
  217
• 16.2 Assembly overview - entry and start authorisation
  217
• 16.3 Entry and start authorisation control unit J518
  219
• 16.4 Entry and start authorisation aerials and sensors
  221
• 16.5 Checking entry and start system aerials and sensors
  224
• 16.6 Starter button E378
  225
• 17 Rear parking aid (PDC)
  227
• 17.1 General description
  227
• 17.2 Assembly overview - rear parking aid (PDC)
  227
• 17.3 Rear parking aid control unit
  229
• 17.4 Rear parking aid senders
  229
• 17.5 Renewing rear parking aid sender retainers
  231
• 17.6 Rear parking aid warning buzzer H15
  233
• 18 Front parking aid (PDC)
  234
• 18.1 General description
  234
• 18.2 Assembly overview - front parking aid (PDC)
  234
• 18.3 Control unit for front parking aid
  234
• 18.4 Front parking aid senders
  234
• 18.5 Front parking aid button E266
  234
• 18.6 Front parking aid warning buzzer H22
  235
• 19 Park assist steering (PAS)
  236
• 19.1 General description
  236
• 19.2 Assembly overview of park assist steering
  237
• 19.3 Park assist steering control unit J791
  239
• 19.4 Front parking aid sender and front park assist steering sender
  241
• 19.6 Rear park assist steering senders
  243
• 19.7 Renewing rear park assist steering sender retainers
  246
• 19.8 Park assist steering button E581
  248
• 19.9 Parking aid warning buzzer
  248
• 20 Reversing camera system
  251
• 20.1 General description
  251
• 20.2 Assembly overview - reversing camera system
  251
• 20.3 Removing and installing reversing camera
  252
• 20.4 Reversing camera system control unit J772
  252
• 20.5 Calibrating reversing camera system
  253
• 21 Main beam assist (MBA)
  259
• 21.1 General description
  259
• 21.2 Main beam assist control unit J844
  260
• 21.3 Light sensor G399
  260
• 22 Front camera for driver assist systems R242
  261
• 22.1 General description
  261
• 22.2 Assembly overview
  261
• 22.3 Removing and installing front camera for driver assist systems R242
  262
• 22.4 Replacing front camera for driver assist systems R242
  263
• 22.5 Coding front camera for driver assist systems R242
  263
• 22.6 Calibrating front camera for driver assist systems R242
  263
• 22.7 Removing and installing windscreen heater for front sensors Z113
  264
• Lights, bulbs, switches - interior
  265
• 1 Interior lights and switches
  265
• 1.1 Interior monitoring deactivation switch E267
  265
• 2 Lights and switches in engine compartment
  267
• 2.1 Bonnet contact switch F266
  267
• 3 Lights and switches in dash panel
  268
• 3.1 Light switch E1
  268
• 3.2 Switch and instrument illumination regulator E20 and headlight range control regulator E102
  269
• 3.3 Glove compartment light W6
  270
• 3.4 Glove compartment light switch E26
  271
• 3.5 Front passenger side airbag deactivated warning lamp K145
  272
• 3.6 Hazard warning light switch E3
  273
• 3.7 Footwell lights
  274
• 3.8 Key operated switch to deactivate front passenger side airbag E224
  276
• 3.9 Tyre Pressure Monitoring System button E226
  278
• 4 Lights and switches in front doors
  279
• 4.1 Driver side switch element
  279
• 4.2 Driver side interior locking button for central locking system E308
  280
• 4.3 Bulb for illumination of interior door handle
  282
• 4.4 Components - front door locks
  283
• 5 Lights and switches in rear doors
  284
• 5.1 Rear window regulator switch
  284
• 5.2 Components - rear door locks
  284
• 6 Lights and switches in luggage compartment
  286
• 6.1 Luggage compartment light W3
  286
• 6.2 Rear lid handle release button E234
  287
• 7 Lights and switches in roof trim
  288
• 7.1 Front interior and reading light
  288
• 7.2 Sun blind and sunroof button E437
  292
• 7.3 Rear interior and reading lights
  292
• 7.4 Right interior light W17
  294
• 7.5 Light for illuminated vanity mirror
  296
• 8 Lights and switches in centre console
  298
• 8.1 Buttons in centre console storage compartment
  298
• 8.2 Electromechanical parking brake button and auto-hold button
  298
• 8.3 AC/DC converter with socket, 12 V-230 V U13
  300
• 8.4 12 V socket
  302
• 8.5 Cigarette lighter U1
  302
• 9 Horn
  304
• 9.1 Treble horn H2 and bass horn H7
  304
• 9.2 Horn plate H
  305
• 10 Immobiliser
  306
• 10.1 General description
  306
• 10.2 Immobiliser control unit J362
  306
• 10.3 Ignition key
  307
• 10.4 New identity on renewing all components
  307
• 11 Anti-theft alarm (ATA)
  308
• 11.1 General description
  308
• 11.2 Activating and deactivating anti-theft alarm
  308
• 11.3 Interior monitoring deactivation switch E267
  309
• 11.4 Interior monitoring sensor and vehicle inclination sender
  309
• 11.5 Central locking and anti-theft alarm system aerial R47
  310
• 11.6 Alarm horn H12
  310
• 11.7 Reading and adapting anti-theft alarm (ATA)
  314
• Wiring
  315
• 1 Vehicle diagnosis, testing and information systems
  315
• 2 Fuse holder
  316
• 2.1 Fuse holder in dash panel
  316
• 2.2 Fuse holder in electronics box
  317
• 3 Relay carriers
  318
• 3.1 Removing and installing dash panel relay carrier
  318
• 3.2 Removing and installing relay carrier on onboard supply control unit
  319
• 4 Electronics boxes
  321
• 4.1 Electronics box on left side of engine compartment (engine compartment electronics box)
  321
• 5 Control units
  325
• 5.1 On-board supply control unit J519
  325
• 5.2 Data bus diagnostic interface J533 (gateway)
  328
• 5.3 Trailer detector control unit J345
  331
• 6 Wiring harness and connector repairs
  333