Mono 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 Interrogating fault memory
  3
• 1.6 Fault table
  4
• 1.7 Erasing fault memory
  7
• 1.8 Final control diagnosis
  8
• 1.9 Coding control unit
  10
• 1.10 Erasing values learnt by engine electronics control unit
  11
• 1.11 Read measured value block and basic settings
  12
• 1.12 Display group overview
  12
• Mixture preparation, Injection
  15
• 1 Mono-Motronic injection and ignition system
  15
• 1.1 Mono-Motronic injection and ignition system
  15
• 1.2 Fitting locations overview
  15
• 1.3 Servicing injection part
  17
• 1.4 Servicing injection unit
  26
• 1.5 Safety precautions
  31
• 1.6 Rules for cleanliness
  31
• 1.7 Technical data
  32
• 1.8 Idling speed check
  32
• 1.9 Checking Lambda probe and Lambda control
  33
• 1.10 Checking Lambda probe heating
  35
• 1.11 Checking engine operating mode
  36
• 1.12 Checking throttle valve positioner
  37
• 1.13 Checking and adjusting idling switch
  38
• 1.14 Checking sender for throttle valve positioner
  42
• 1.15 Checking throttle valve potentiometer
  43
• 1.16 Checking coolant temperature sender
  45
• 1.17 Checking intake air temperature sender
  48
• 1.18 Checking injector
  50
• 1.19 Checking speed signal
  52
• 1.20 Checking control unit voltage supply
  53
• 1.21 Checking air conditioner and air conditioner compressor signals
  55
• 1.23 Checking signal for automatic gearbox control unit
  56
• 1.24 Matching engine electronic control unit to electronic immobilizer
  58
• 1.25 Checking fuel pressure regulator and holding pressure
  59
• 1.26 Checking intake air system for leaks (unmetered air)
  61
• 1.27 Checking intake air preheating
  62
• Ignition system
  64
• 1 Mono-Motronic injection and ignition system
  64
• 1.1 Mono-Motronic injection and ignition system
  64
• 1.2 Servicing ignition part
  64
• 1.3 Safety precautions
  67
• 1.4 Adjustment data, Spark plugs
  68
• 1.5 Installing distributor
  68
• 1.6 Checking and adjusting ignition timing
  69
• 1.7 Checking ignition timing control
  71
• 1.8 Checking Hall sender
  71
• 1.9 Checking ignition transformer
  73
• 1.10 Checking ignition transformer output stage
  73