Digifant injection and ignition system (2.5 ltr. engine)

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 fault memory
  4
• 1.6 Fault table
  5
• 1.7 Erasing fault memory
  9
• 1.8 Final control diagnosis
  10
• 1.9 Reading measuring value block
  13
• 1.10 Display group overview
  14
• 1.11 Checking voltage supply for fault reader V.A.G 1551
  18
• 2 Electrical check
  19
• 2.1 Electrical check
  19
• 2.2 Wiring and component check with test box V.A.G 1598/18
  19
• 2.3 Test table
  20
• Mixture preparation, Injection
  25
• 1 Digifant injection and ignition system
  25
• 1.1 Digifant injection and ignition system
  25
• 1.2 Fitting locations overview
  25
• 1.3 Servicing injection part
  29
• 1.4 Technical data
  42
• 1.5 Safety precautions
  43
• 1.6 Rules for cleanliness
  43
• 1.7 Carrying out basic settings
  43
• 1.8 Checking idling stabilization
  46
• 1.9 Checking Lambda probe and Lambda control
  47
• 1.10 Checking engine operating mode
  48
• 1.11 Checking throttle valve potentiometer
  50
• 1.12 Checking coolant temperature sender
  51
• 1.13 Checking intake air temperature sender
  51
• 1.14 Checking intake manifold pressure sender
  53
• 1.15 Matching engine electronic control unit to electronic immobilizer
  53
• 1.16 Checking fuel pressure regulator and holding pressure
  55
• 1.17 Removing and installing injectors
  57
• 1.18 Checking injectors
  58
• 1.19 Checking intake air system for leaks (unmetered air)
  61
• 1.20 Checking intake air preheating
  62
• 1.21 Basic throttle valve setting
  63
• 1.22 Checking and adjusting idling switch
  63
• Ignition system
  65
• 1 Digifant injection and ignition system
  65
• 1.1 Digifant injection and ignition system
  65
• 1.2 Servicing ignition part
  65
• 1.3 Dismantling and assembling distributor
  69
• 1.4 Safety precautions
  69
• 1.5 Test data, spark plugs
  70
• 1.6 Installing distributor
  71
• 1.7 Checking and adjusting ignition timing
  72
• 1.8 Checking ignition timing control
  73
• 1.9 Checking Hall sender
  74
• 1.10 Checking ignition transformer
  75
• 1.11 Checking ignition transformer output stage
  75