Motronic injection and ignition system

Chapter overview

• Self-diagnosis
  1
• 1 Self-diagnosis
  1
• 1.1 Self-diagnosis
  1
• 1.2 Features of self-diagnosis
  1
• 1.3 Technical data of self-diagnosis
  1
• 1.4 Connecting fault reader V.A.G 1551 and selecting engine control unit
  2
• 1.5 Interrogating and erasing fault memory
  3
• 1.6 Fault table
  5
• 1.7 Final control diagnosis
  10
• 1.8 Read measured value block and basic settings
  12
• 1.9 Display group overview
  12
• Mixture preparation, Injection
  16
• 1 Servicing injection system
  16
• 1.1 Servicing injection system
  16
• 1.2 Fitting locations overview
  16
• 1.3 General notes on injection
  19
• 1.4 Removing and installing parts of the injection system
  20
• 1.5 Dismantling and assembling fuel rail with injectors
  26
• 1.6 Dismantling and assembling intake manifold
  27
• 1.7 Dismantling and assembling air cleaner
  29
• 1.8 Safety precautions
  31
• 1.9 Rules for cleanliness
  32
• 1.10 Technical data
  32
• 1.11 Performing basic setting
  32
• 1.12 Checking Lambda probe and Lambda control
  33
• 1.13 Checking Lambda probe heating
  35
• 1.14 Checking engine operating mode
  37
• 1.15 Checking throttle valve control part
  38
• 1.16 Checking intake manifold pressure sender
  44
• 1.17 Testing speed signal
  45
• 1.18 Checking coolant temperature sender
  47
• 1.19 Checking intake air temperature sender
  49
• 1.20 Checking control unit voltage supply
  52
• 1.21 Matching engine control unit to electronic immobilizer
  53
• 1.22 Checking air conditioner and air conditioner compressor signals
  54
• 1.23 Checking injectors
  56
• 1.24 Checking fuel pressure regulator and holding pressure
  58
• 1.25 Checking intake air system for leaks (unmetered air)
  61
• 1.26 Checking intake air preheating
  61
• 1.27 Wire routing engine wiring loom
  63
• Ignition system
  65
• 1 Servicing ignition system
  65
• 1.1 Servicing ignition system
  65
• 1.2 General notes on ignition system
  65
• 1.3 Removing and installing parts of the ignition system
  66
• 1.4 Dismantling and assembling distributor
  69
• 1.5 Safety precautions
  70
• 1.6 Adjustment data, Spark plugs
  70
• 1.7 Checking and adjusting ignition timing
  70
• 1.8 Checking Hall sender
  72
• 1.9 Checking ignition transformer and output stage
  73
• 1.10 Checking knock sensor
  75