Motronic injection and ignition system

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 Coding control unit
  4
• 1.6 Interrogating and erasing fault memory
  5
• 1.7 Fault table
  6
• 1.8 Final control diagnosis
  16
• 2 Measured value blocks
  23
• 2.1 Measured value blocks
  23
• 2.2 Safety precautions
  23
• 2.3 Read measured value block
  23
• 2.4 Display group overview
  24
• Mixture preparation, Injection
  31
• 1 Motronic injection and ignition system
  31
• 1.1 Motronic injection and ignition system
  31
• 1.2 Fitting locations overview
  31
• 1.3 Servicing injection part
  34
• 1.6 Removing and installing throttle valve control part
  45
• 1.7 Removing and installing air cleaner, air mass meter and crankcase breather heater element
  49
• 1.8 Safety precautions
  53
• 1.9 Rules for cleanliness
  53
• 1.10 Technical data
  53
• 1.11 Idling check
  54
• 1.12 Performing basic setting
  55
• 1.13 Checking Lambda probe and Lambda control
  56
• 1.14 Checking Lambda probe heating
  59
• 1.15 Checking engine operating mode
  61
• 1.16 Checking air mass meter
  63
• 1.17 Checking throttle valve control part
  66
• 1.18 Checking coolant temperature sender
  74
• 1.19 Checking intake manifold temperature sender
  76
• 1.20 Checking engine speed sender
  79
• 1.21 Checking speed signal
  81
• 1.22 Checking control unit voltage supply
  83
• 1.23 Matching engine electronic control unit to electronic immobilizer
  84
• 1.24 Checking signal from air conditioner compressor
  85
• 1.25 Removing and installing injectors
  87
• 1.26 Checking injectors
  88
• 1.27 Checking fuel pressure regulator and holding pressure
  91
• 1.28 Checking intake air system for leaks (unmetered air)
  93
• Ignition system
  95
• 1 Motronic injection and ignition system
  95
• 1.1 Motronic injection and ignition system
  95
• 1.2 Servicing ignition part
  95
• 1.3 Safety precautions
  100
• 1.4 Test data, spark plugs
  101
• 1.5 Checking Hall sender
  101
• 1.6 Checking knock sensors
  103
• 1.7 Checking ignition transformer
  105