Electrical System Caddy from 1996, Polo Classic to 1999, Polo Variant to 1999

Chapter overview

• Self-diagnosis
  1
• 1 Vehicle diagnosis, testing and information systems
  1
• 1.1 Connecting vehicle diagnosis, testing and information system VAS 5051A
  2
• 2 Immobilizer self-diagnosis
  4
• 2.1 Performing immobilizer self-diagnosis
  4
• 2.2 Fault table
  9
• 2.3 Reading data block
  11
• 2.4 Coding immobilizer control unit J362
  13
• 3 Guided functions for immobilizer
  15
• 3.2 Online system test
  16
• 3.3 Adaptation of ignition keys
  16
• 3.4 Adaption (matching) after changing engine control unit
  17
• 3.5 Adapting immobilizer
  17
• Starter, current supply, CCS
  18
• 1 Battery
  18
• 1.1 Battery contents list
  18
• 1.2 Fundamentals for batteries
  18
• 1.3 Battery handling instructions
  19
• 1.4 Batteries with magic eye
  21
• 1.5 Batteries with no magic eye
  23
• 1.6 Checking specific gravity
  26
• 1.7 Battery load test
  29
• 1.8 Charging battery
  30
• 1.9 Removing and installing battery
  31
• 1.10 Explanation of central gas venting
  35
• 2 Starter
  37
• 2.1 Removing and installing starter (1.4 l petrol engine)
  37
• 3 Alternator
  41
• 3.1 Assembly overview
  41
• 3.2 Poly-V-belt drives
  51
• 3.3 Checking V-belt
  52
• 3.4 Checking poly-V-belt
  53
• 3.5 Removing and installing poly-V-belt
  53
• 3.6 Compact alternator with poly-V-belt drive, vehicles ▸ 04.99
  58
• 3.7 Checking carbon brushes for alternator, vehicles ▸ 04.99
  58
• 3.8 Removing and installing voltage regulator for alternator, vehicles ▸ 04.99
  59
• 3.9 Compact alternator with poly-V-belt drive, vehicles 05.99 ▸
  59
• 3.10 Checking carbon brushes for alternator, vehicles 05.99 ▸
  60
• 3.11 Removing and installing voltage regulator for alternator, vehicles 05.99 ▸
  60
• 3.12 Renewing poly-V-belt pulley on alternator
  61
• 3.13 Removing and installing poly-V-belt pulley with freewheel
  62
• Gauges, instruments
  64
• 1 Dash panel insert
  64
• 1.1 Removing and installing dash panel insert
  64
• 1.2 Renewing bulbs in dash panel insert (VDO)
  65
• 1.3 Renewing bulbs in dash panel insert (MOTOMETER)
  66
• 1.4 Dash panel insert warning lamp symbols (VDO unit)
  67
• 1.5 Pin assignment on dash panel insert
  68
• 2 Service interval display
  69
• 2.1 Service interval display
  69
• 2.2 Resetting service interval display
  69
• 2.3 Flexible service interval display
  70
• 2.4 Resetting flexible service interval display
  70
• 2.5 Entering service interval data
  71
• Windscreen wash/wipe system
  73
• 1 Windscreen wiper system
  73
• 1.1 Assembly overview - windscreen wiper system
  73
• 1.2 Removing and installing windscreen wiper system
  74
• 1.3 Removing and installing wiper rubber blade
  78
• 2 Windscreen washer and headlight washer system
  79
• 2.1 Assembly overview - windscreen washer and headlight washer system
  79
• 2.2 Adjusting windscreen washer system jets
  79
• 2.3 Adjusting headlight washer system jets
  80
• 2.4 Removing windscreen washer system spray jets
  81
• 2.5 Removing headlight washer system spray jets
  81
• 2.6 Removing windscreen washer and headlight washer system reservoir
  81
• 3 Rear window wipe/wash system
  83
• 3.1 Assembly overview - rear window wiper system (Caddy)
  83
• 3.2 Assembly overview - rear window wiper system (Polo Variant)
  84
• 3.3 Adjusting rear window wiper park position
  84
• 3.4 Adjusting washer jet
  85
• 3.5 Removing rear window wiper (Caddy)
  86
• 3.6 Removing rear window wiper system (Polo Variant)
  87
• Lights, bulbs, switches - exterior
  89
• 1 Headlight
  89
• 1.1 Assembly overview - headlight
  89
• 1.2 Adjusting headlights
  90
• 1.3 Removing and installing headlight
  90
• 1.4 Replacing headlight bulb
  90
• 1.5 Removing and installing headlight range control motor
  91
• 2 Front fog lights
  93
• 2.1 Removing and installing fog light
  93
• 2.2 Removing and installing fog light bulb
  93
• 3 Front turn signals
  94
• 3.1 Removing and installing front turn signal
  94
• 3.2 Removing and installing turn signal bulb
  94
• 4 Side mounted repeater turn signals
  95
• 4.1 Removing and installing side mounted repeater turn signal
  95
• 5 Tail lights
  96
• 5.1 Assembly overview - tail light (Caddy)
  96
• 5.2 Assembly overview - tail light (Polo Classic)
  96
• 5.3 Assembly overview - tail light (Polo Variant)
  97
• 5.4 Removing and installing tail light bulb holder (Caddy)
  98
• 5.5 Removing and installing tail light bulb holder (Polo Variant)
  99
• 5.6 Removing and installing tail light bulb holder (Polo Classic)
  99
• 6 Additional brake lights
  100
• 6.1 Additional brake light (Polo Classic)
  100
• 6.2 Additional brake light (Polo Variant)
  101
• 7 Number plate lights
  103
• 7.1 Number plate light (Polo Classic)
  103
• 7.2 Number plate light (Caddy)
  104
• 7.3 Number plate light (Polo Variant)
  104
• 8 Steering column switch and ignition and starter switch
  106
• 8.1 Assembly overview - steering column
  106
• 8.2 Removing and installing steering column switch
  107
• 8.3 Pin assignment on steering column switch
  109
• 8.4 Removing and installing steering lock housing
  110
• 8.5 Removing and installing lock cylinder
  113
• 8.6 Removing and installing ignition / starter switch
  114
• 8.7 Pin assignment for ignition switch
  114
• Lights, bulbs, switches - interior
  115
• 1 Immobilizer
  115
• 1.1 Assembly overview - immobilizer
  115
• 1.2 Removing and installing immobilizer control unit J362
  115
• 1.3 Removing and installing immobilizer reader coil D2
  116
• 1.4 Transponder
  116
• 2 Interior lights and switches
  117
• 2.1 Assembly overview - switches in dash panel
  117
• 2.2 Removing and installing light switch E1
  117
• 2.3 Removing and installing switches in centre of dash panel
  118
• 2.4 Interior light
  118
• 2.5 Removing and installing glove compartment light W6
  120
• 2.6 Removing and installing door contact switch
  120
• 2.7 Removing and installing luggage compartment light switch
  120
• 2.8 Removing and installing luggage compartment light W3
  121
• Wiring
  122
• 1 Removing and installing relay plate, coupling station and fuse holder
  122
• 1.1 Removing and installing relay plate
  122
• 1.2 Removing and installing multi-pin connector on back of relay plate
  123
• 2 Wiring harness and connector repairs
  124
• 2.1 Notes on safety
  124
• 2.2 General notes concerning repairs to vehicle electrical system
  124
• 2.3 Notes on repairs to wiring harness and connectors
  124
• 2.4 Supplementary notes on repair of CAN bus wiring
  125
• 2.5 Wiring harness repair set V.A.G 1978
  125
• 3 Renewal of aerial wiring
  127
• 3.1 General description
  127
• 3.2 Assembly overview - aerial wire
  127
• 3.3 Installing a new aerial wire
  127