Digifant injection and ignition system (2.0 l engine) ä 12.95

Chapter overview

• Self-diagnosis, Electrical check
  1
• 1 Self-diagnosis
  1
• 1.1 Self-diagnosis
  1
• 1.2 Function
  1
• 1.3 Technical data of self-diagnosis
  1
• 1.4 Connecting fault reader V.A.G 1551 and selecting engine electronics control unit
  2
• 1.5 Interrogating and erasing fault memory
  4
• 1.6 Fault table
  5
• 1.7 Final control diagnosis
  7
• 1.8 Introduction of basic setting
  9
• 1.9 Reading measuring value block
  11
• 1.10 Display group overview for vehicles >02.92
  12
• 1.11 Display group overview for vehicles >03.92
  12
• 1.12 Read individual measuring value
  13
• 1.13 Checking voltage supply for fault reader V.A.G 1551
  14
• 2 Electrical check
  15
• 2.1 Electrical check
  15
• 2.2 Wiring and component check with test box V.A.G 1598
  15
• 2.3 Checking on wiring loom plug
  15
• 2.4 Checks with Digifant control unit connected
  18
• Mixture preparation, Injection
  20
• 1 Digifant injection and ignition system
  20
• 1.1 Digifant injection and ignition system
  20
• 1.2 Fitting locations overview
  20
• 1.3 Servicing injection part
  22
• 1.4 Dismantling and assembling intake manifold
  27
• 1.5 Dismantling and assembling fuel manifold
  29
• 1.6 Dismantling and assembling air cleaner
  31
• 1.7 Safety precautions
  32
• 1.8 Rules for cleanliness
  32
• 1.9 Technical data
  33
• 1.10 Idling check
  33
• 1.11 Checking idling stabilization
  36
• 1.12 Checking Lambda probe and Lambda control
  38
• 1.13 Checking and adjusting throttle closing damper
  40
• 1.14 Checking acceleration/full throttle enrichment and overrun cut-off
  40
• 1.15 Checking throttle valve potentiometer
  41
• 1.16 Checking coolant temperature sender
  42
• 1.17 Checking intake air temperature sender
  43
• 1.18 Checking CO potentiometer
  43
• 1.19 Checking intake manifold pressure sender
  44
• 1.20 Matching engine electronic control unit to electronic immobilizer
  44
• 1.21 Checking fuel pressure regulator and holding pressure
  46
• 1.22 Checking cold start valve
  47
• 1.23 Removing and installing injectors
  48
• 1.24 Checking injectors
  50
• 1.25 Checking intake air system for leaks (unmetered air)
  52
• 1.26 Checking intake air preheating
  53
• 1.27 Basic throttle valve setting
  54
• 1.28 Checking and adjusting idling switch
  54
• Ignition system
  56
• 1 Digifant injection and ignition system
  56
• 1.1 Digifant injection and ignition system
  56
• 1.2 Servicing ignition part
  56
• 1.3 Safety precautions
  61
• 1.4 Test and adjustment data, spark plugs
  62
• 1.5 Installing distributor
  63
• 1.6 Checking and adjusting ignition timing
  64
• 1.7 Checking ignition timing control
  66
• 1.8 Checking Hall sender
  67
• 1.9 Checking ignition transformer
  68
• 1.10 Checking ignition transformer output stage
  68