Electrical system

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
  5
• 5 Removing and installing battery
  7
• 5.1 Removing and installing battery
  7
• 6 Specified torques: battery
  9
• 7 Starter, vehicles with manual gearbox
  10
• 7.1 Checking starter B
  10
• 7.2 Starter, vehicles with 1.4 l, 90 kW TSI engine and manual gearbox (MQ200-6F)
  10
• 7.4 Starter, vehicles with 2.0 l TSI engine and manual gearbox (MQ350-6F)
  16
• 8 Starter, vehicles with dual clutch gearbox (DSG)
  28
• 8.1 Checking starter B
  28
• 8.2 Starter, vehicles with 1.4 l, 118 kW TSI engine and dual clutch gearbox 0AM (DQ200-7F)
  28
• 9 Alternator
  45
• 9.1 Checking poly V-belt
  45
• 9.2 Checking alternator C
  45
• 9.3 Securing B+ (battery positive) wire to alternator
  46
• 9.4 Alternator, 1.4 l, 90 kW TSI engine
  46
• 9.5 Alternator, 1.4 l, 118 kW TSI engine
  51
• 9.6 Alternator, 2.0 l, 147/155 kW TSI engine
  56
• 9.7 Alternator, 2.0 l, 195/188 kW TSI engine
  60
• 9.8 Alternator, 2.0 l TDI common rail injection engine
  64
• 9.9 Removing and installing poly V-belt pulley on alternator
  69
• 9.10 Voltage regulator for alternator
  73
• 10 Cruise control system (CCS)
  76
• Gauges, instruments
  77
• 1 Dash panel insert
  77
• 1.1 Renewing dash panel insert
  77
• 1.2 Removing and installing dash panel insert
  78
• 1.3 Description of back of dash panel insert
  79
• 1.4 Warning lamp symbols in dash panel insert
  79
• 1.5 Personalisation
  81
• 2 Service interval display
  82
• 2.1 Resetting service interval display
  82
• Windscreen wash/wipe system
  83
• 1 Windscreen wiper system
  83
• 1.1 Deactivating APP function of wiper motors
  83
• 1.2 Removing and installing windscreen wiper system
  84
• 1.3 Removing and installing wiper arms
  88
• 1.4 Adjusting wiper blade park position
  88
• 1.5 Removing and installing joint-free wipers
  90
• 1.6 Removing and installing rain and light sensor G397
  90
• 2 Windscreen washer system
  94
• 2.1 Assembly overview - windscreen washer system
  94
• 2.2 Removing and installing windscreen washer system spray jets
  95
• 2.3 Adjusting windscreen washer system spray jets
  95
• 2.4 Assembly overview of washer fluid reservoir
  95
• 2.5 Removing and installing windscreen and rear window washer pump V59
  98
• 3 Rear window wiper system
  100
• 3.1 Assembly overview - rear window wiper system
  100
• 3.2 Removing rear window wiper
  101
• 3.3 Adjusting rear window wiper park position
  102
• 3.4 Removing and installing joint-free wiper
  103
• 4 Rear window washer system
  104
• 4.1 Assembly overview - rear window washer system
  104
• 4.2 Renewing spray jet
  105
• 4.3 Adjusting spray jet
  105
• 5 Headlight washer system
  106
• 5.1 Assembly overview - headlight washer system
  106
• 5.2 Removing and installing headlight washer system pump V11
  107
• 5.3 Removing and installing spray jet pop-up cylinders
  108
• 5.4 Removing and installing spray jet assembly
  110
• 5.5 Adjusting headlight washer system spray jets
  111
• 5.6 Bleeding headlight washer system
  111
• 6 Washer fluid line hose couplings
  112
• 7 Hose repair
  113
• 8 Specified torques: windscreen wash/wipe system
  114
• Lights, bulbs, switches - exterior
  115
• 1 Headlight with halogen bulb
  115
• 1.1 Assembly overview - headlights with halogen bulb
  115
• 1.2 Removing and installing headlight
  116
• 1.3 Adjusting headlight installation position
  119
• 1.4 Renewing headlight bulbs
  119
• 1.5 Removing and installing headlight range control motor
  123
• 1.6 Converting headlights for use when driving on the left or right (halogen headlight)
  124
• 1.7 Adjusting headlights
  127
• 2 Headlights with gas discharge bulbs
  128
• 2.1 Operation and safety notes for gas discharge bulbs
  129
• 2.2 Assembly overview of headlights with gas discharge bulbs
  131
• 2.3 Assembly overview - headlights with gas discharge bulbs »Scirocco R«
  133
• 2.4 Removing and installing headlight
  134
• 2.5 Adjusting headlight installation position
  136
• 2.6 Renewing gas discharge bulbs in headlights
  137
• 2.7 Headlight range control motor
  140
• 2.8 Dipped beam screen
  141
• 2.9 Removing and installing gas discharge bulb control unit
  142
• 2.10 Headlight range control unit J431
  142
• 2.11 Vehicle level sender
  143
• 2.12 Converting headlights for use when driving on the left or right
  143
• 2.13 Adjusting headlights
  146
• 3 Fog lights
  147
• 3.1 Assembly overview - fog lights
  147
• 3.2 Removing and installing fog light
  147
• 3.3 Removing and installing fog light bulb
  148
• 3.4 Checking fog lights
  149
• 3.5 Adjusting fog lights
  149
• 4 Front turn signals
  150
• 4.1 Removing and installing front turn signal
  150
• 4.2 Removing and installing front turn signal bulb
  151
• 4.3 Removing and installing front turn signal bulb »Scirocco R«
  152
• 4.4 Checking front turn signal
  153
• 5 Side light bulb
  154
• 5.1 Removing and installing side light bulb
  154
• 6 LED module for daytime running light and side light »Scirocco R«
  155
• 6.1 Removing and installing LED module for daytime running light and side light L176
  155
• 7 Tail light cluster
  158
• 7.1 Assembly overview - tail light
  158
• 7.2 Removing and installing tail light
  159
• 7.3 Removing and installing tail light bulb carrier
  160
• 7.4 Adjusting tail light
  161
• 7.5 Removing and installing tail light setting element
  162
• 7.6 Checking tail light
  163
• 8 Number plate light
  164
• 8.1 Bolted number plate light X
  164
• 8.2 Clipped Number plate light X
  166
• 9 Additional brake lights
  167
• 9.1 Removing and installing additional brake light M25
  167
• 10 Steering column switch up to 10/2009
  168
• 10.1 General description
  168
• 10.2 Assembly overview - steering column switch
  168
• 10.3 Removing and installing steering column switch
  170
• 10.4 Steering column electronics control unit J527
  178
• 10.5 Steering angle sender G85
  179
• 11 Steering column switch, vehicles from 11/09
  180
• 11.1 General description
  180
• 11.2 Assembly overview - steering column switch
  180
• 11.3 Removal and installation sequence of components of steering column switch
  181
• 11.4 Steering column electronics control unit J527
  182
• 11.5 Steering column combination switch E595
  186
• 11.6 Steering column switch base
  187
• 12 Steering column switch, vehicles from 06/2010 with KESSY
  192
• 12.1 General description
  192
• 12.2 Assembly overview - steering column switch
  192
• 12.3 Removal and installation sequence of components of steering column switch
  194
• 12.4 Steering column electronics control unit J527
  194
• 12.5 Steering column combination switch E595
  198
• 12.6 Steering column switch base
  199
• 12.7 Electronic steering column lock control unit J764
  204
• 13 Ignition/starter switch and lock cylinder
  206
• 13.1 Removing and installing steering lock housing
  206
• 13.2 Removing and installing lock cylinder
  206
• 13.3 Removing and installing ignition/starter switch
  208
• 13.4 Ignition key withdrawal lock solenoid N376
  209
• 14 Entry and start authorisation (KESSY)
  211
• 14.1 General description
  211
• 14.2 Assembly overview - entry and start authorisation
  211
• 14.3 Entry and start authorisation control unit J518
  213
• 14.4 Entry and start authorisation aerials and sensors
  215
• 14.5 Checking entry and start authorisation aerials and sensors
  218
• 14.6 Starter button E378
  220
• 15 Parking aid
  222
• 15.1 Assembly overview - parking aid
  222
• 15.2 Removing and installing parking aid control unit J446
  223
• 15.3 Removing and installing rear parking aid senders
  224
• 15.4 Bonding sender retainer in case of repair
  225
• 15.5 Painting sender retainers and senders
  226
• 15.6 Removing and installing parking aid warning buzzer H15
  227
• 15.7 Final control diagnosis
  227
• 16 Reversing camera system
  229
• 16.1 General description
  229
• 16.2 Assembly overview - reversing camera system
  229
• 16.3 Removing and installing reversing camera
  230
• 17 Main beam assist (MBA)
  232
• 17.1 General description
  232
• 17.2 Main beam assist control unit J844
  233
• 17.3 Light sensor G399
  233
• 18 Specified torques: lights, bulbs, switches - exterior
  235
• 18.1 Specified torques: headlights
  235
• 18.2 Specified torques: headlight with gas discharge lamp and cornering light
  235
• 18.3 Specified torques: fog lights
  235
• 18.4 Specified torques: tail light
  235
• 18.5 Specified torques: additional brake light
  235
• Lights, bulbs, switches - interior
  236
• 1 Interior lights and switches
  236
• 2 Lights and switches in engine compartment
  238
• 2.1 Removing and installing bonnet contact switch F266
  238
• 3 Lights and switches in dash panel
  239
• 3.1 Removing and installing light switch E1
  239
• 3.3 Removing and installing glove compartment light W6
  240
• 3.4 Removing and installing glove compartment light switch E26
  242
• 3.6 Removing and installing hazard warning light switch E229
  243
• 3.7 Key operated switch to deactivate front passenger side airbag E224
  244
• 3.8 Tyre pressure monitor display button E492
  245
• 4 Lights and switches in doors
  247
• 4.1 Removing and installing window regulator switch in front passenger door E107
  247
• 4.2 Removing and installing switch module for driver side window regulator
  247
• 4.3 Removing and installing switch module for mirror adjustment on driver side
  248
• 4.4 Removing and installing driver side interior locking button for central locking system E308
  248
• 4.5 Components - front door locks
  249
• 4.6 Removing and installing rear lid remote release button E233
  249
• 5 Lights and switches in luggage compartment and rear lid
  251
• 5.1 Removing and installing luggage compartment light W3
  251
• 5.2 Removing and installing luggage compartment light switch F5
  252
• 6 Lights and switches in roof trim
  253
• 6.1 Front interior and reading lights
  253
• 6.2 Removing and installing button 1 for tilting roof E582
  254
• 6.3 Rear interior and reading lights
  255
• 6.4 Removing and installing illuminated vanity mirrors
  257
• 7 Lights and switches in centre console
  259
• 7.1 Buttons in centre console storage compartment
  259
• 7.2 Removing and installing tyre pressure monitor display button E492
  260
• 7.3 Removing and installing shock absorber damping adjustment button E387
  261
• 8 12 V socket
  262
• 9 Cigarette lighter U1
  263
• 10 Horn
  264
• 10.1 Removing and installing treble horn H2
  264
• 10.2 Removing and installing bass horn H7
  265
• 10.3 Checking treble horn H2 and bass horn H7
  267
• 11 Immobilizer
  268
• 11.1 Immobilizer control unit J362
  268
• 11.2 Ignition key
  269
• 11.3 New identity on renewing all components
  270
• 11.4 Fazit system test
  270
• 12 Anti-theft alarm (ATA)
  271
• 12.1 Activating and deactivating anti-theft alarm
  271
• 12.3 Removing and installing interior monitoring sensor G273
  272
• 12.4 Removing and installing vehicle inclination sender G384
  272
• 12.5 Central locking and anti-theft alarm system aerial R47
  273
• 12.6 Alarm horn H12
  273
• Wiring
  276
• 1 Vehicle diagnosis, testing and information systems
  276
• 2 Fuse holder
  277
• 2.1 Removing and installing fuse holder on left of dash panel
  277
• 3 Relay carrier
  278
• 3.1 Removing and installing relay carrier on left of dash panel
  278
• 3.2 Removing and installing relay carrier on onboard supply control unit
  279
• 4 Electronics boxes
  282
• 4.1 Removing and installing E-box on left side of engine compartment
  282
• 5 Control units
  286
• 5.1 Onboard supply control unit J519 , vehicles to 05/09
  286
• 5.2 Onboard supply control unit J519 , vehicles from 06/09
  291
• 5.3 Data bus diagnostic interface J533
  294
• 5.4 Coding convenience system central control unit J393 (up to MY2009)
  295
• 6 Specified torques: wiring
  300
• 6.1 Specified torques: fuse holder under dash panel on left
  300
• 6.2 Specified torques: E-box on left side of engine compartment
  300
• 7 Wiring harness and connector repairs
  301