Digifant injection and ignition system (4-valve)

Chapter overview

• Self diagnosis
  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
  3
• 1.6 Fault table
  5
• 1.7 Final control diagnosis
  7
• 1.8 Read measured value block and basic settings
  11
• 1.9 Display group overview
  11
• Mixture preparation, Injection
  14
• 1 Digifant injection and ignition system
  14
• 1.1 Digifant injection and ignition system
  14
• 1.2 Fitting locations overview
  14
• 1.3 Servicing injection part
  17
• 1.4 Dismantling and assembling intake manifold upper part
  24
• 1.5 Dismantling and assembling intake manifold lower part
  27
• 1.6 Dismantling and assembling air cleaner
  29
• 1.7 Safety precautions
  31
• 1.8 Rules for cleanliness
  31
• 1.9 Technical data
  31
• 1.10 Performing basic setting
  32
• 1.11 Checking Lambda probe and Lambda control
  33
• 1.12 Checking idling stabilization
  36
• 1.13 Checking engine operating mode
  37
• 1.14 Checking throttle valve potentiometer
  38
• 1.15 Checking coolant temperature sender
  41
• 1.16 Checking intake air temperature sender
  44
• 1.17 Checking engine speed sender
  46
• 1.18 Checking and adjusting idling switch
  48
• 1.19 Checking control unit voltage supply
  51
• 1.20 Matching engine electronic control unit to electronic immobilizer
  53
• 1.21 Checking Lambda probe heating
  54
• 1.22 Checking starter signal
  55
• 1.23 Checking injectors
  55
• 1.24 Checking fuel pressure regulator and holding pressure
  58
• 1.25 Checking intake air system for leaks (unmetered air)
  59
• 1.26 Checking intake air preheating
  60
• Ignition system
  62
• 1 Digifant injection and ignition system
  62
• 1.1 Digifant injection and ignition system
  62
• 1.2 Servicing ignition part
  62
• 1.3 Dismantling and assembling distributor
  66
• 1.4 Safety precautions
  67
• 1.5 Test data, spark plugs
  68
• 1.6 Checking ignition timing control
  68
• 1.7 Checking No. 1 Cyl. recognition sender
  69
• 1.8 Checking knock sensors
  70
• 1.9 Checking ignition transformer
  71
• 1.10 Checking ignition transformer output stage
  71
• 1.11 Renewing rotor arm
  74