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
  4
• 1.6 Fault table
  5
• 1.7 Erasing fault memory
  7
• 1.8 Final control diagnosis
  8
• 1.9 Coding control unit
  11
• 1.10 Erasing values learnt by engine electronics control unit
  12
• 1.11 Read measured value block and basic settings
  13
• 1.12 Display group overview
  13
• Mixture preparation, Injection
  16
• 1 Mono-Motronic injection and ignition system
  16
• 1.1 Mono-Motronic injection and ignition system
  16
• 1.2 Fitting locations overview
  16
• 1.3 Servicing injection part
  19
• 1.4 Servicing injection unit
  28
• 1.5 Safety precautions
  34
• 1.6 Rules for cleanliness
  35
• 1.7 Technical data
  35
• 1.8 Idling speed check
  35
• 1.9 Checking Lambda probe and Lambda control
  36
• 1.10 Checking Lambda probe heating
  38
• 1.11 Checking engine operating mode
  39
• 1.12 Checking overrun cut-off
  41
• 1.13 Checking throttle valve positioner
  41
• 1.14 Checking and adjusting idling switch
  43
• 1.15 Checking sender for throttle valve positioner
  47
• 1.16 Checking throttle valve potentiometer
  49
• 1.17 Checking coolant temperature sender
  51
• 1.18 Checking intake air temperature sender
  54
• 1.19 Checking injector
  59
• 1.20 Testing speed signal
  61
• 1.21 Checking control unit voltage supply
  62
• 1.22 Checking air conditioner and air conditioner compressor signals
  63
• 1.23 Matching engine electronic control unit to electronic immobilizer
  65
• 1.25 Checking signal for automatic gearbox control unit
  66
• 1.26 Checking fuel pressure regulator and holding pressure
  67
• 1.27 Checking intake air system for leaks (unmetered air)
  70
• 1.28 Checking intake air preheating
  71
• Ignition system
  73
• 1 Mono-Motronic injection and ignition system
  73
• 1.1 Mono-Motronic injection and ignition system
  73
• 1.2 Servicing ignition part
  73
• 1.3 Safety precautions
  76
• 1.4 Adjustment data, Spark plugs
  77
• 1.5 Installing distributor
  77
• 1.6 Checking and adjusting ignition timing
  78
• 1.7 Checking ignition timing control
  80
• 1.8 Checking Hall sender
  80
• 1.9 Checking ignition transformer
  82
• 1.10 Checking ignition transformer output stage
  82