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 engine codes AER, ALL
  13
• 1.10 Display group overview engine codes AEX, AKV, ANX, APQ
  16
• Mixture preparation, Injection
  19
• 1 Servicing injection system
  19
• 1.1 Servicing injection system
  19
• 1.2 Fitting locations overview
  19
• 1.3 General notes on injection
  21
• 1.4 Removing and installing parts of the injection system
  23
• 1.5 Dismantling and assembling fuel rail with injectors
  29
• 1.6 Dismantling and assembling intake manifold
  30
• 1.7 Dismantling and assembling air cleaner
  33
• 1.8 Safety precautions
  36
• 1.9 Rules for cleanliness
  36
• 1.10 Technical data
  36
• 1.11 Performing basic setting
  37
• 1.12 Checking Lambda probe and Lambda control
  38
• 1.13 Checking Lambda probe heating
  40
• 1.14 Checking engine operating mode
  41
• 1.15 Checking throttle valve control part
  43
• 1.16 Checking intake manifold pressure sender
  49
• 1.17 Testing speed signal
  50
• 1.18 Checking coolant temperature sender
  51
• 1.19 Checking intake air temperature sender
  54
• 1.20 Checking control unit voltage supply
  57
• 1.21 Matching engine control unit to electronic immobilizer
  58
• 1.22 Idling speed boost
  59
• 1.23 Checking air conditioner and air conditioner compressor signals
  61
• 1.24 Checking injectors
  63
• 1.25 Checking fuel pressure regulator and holding pressure
  65
• 1.26 Checking intake air system for leaks (unmetered air)
  68
• 1.27 Checking intake air preheating
  68
• 1.28 Wire routing engine wiring loom
  70
• Ignition system
  72
• 1 Servicing ignition system
  72
• 1.1 Servicing ignition system
  72
• 1.2 General notes on ignition system
  72
• 1.3 Removing and installing parts of the ignition system
  73
• 1.4 Dismantling and assembling distributor
  76
• 1.5 Safety precautions
  77
• 1.6 Adjustment data, Spark plugs
  77
• 1.7 Checking and adjusting ignition timing
  77
• 1.8 Checking Hall sender
  79
• 1.9 Checking ignition transformer and output stage
  80
• 1.10 Checking knock sensor
  82