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 Erasing values learnt by engine electronics control unit
  12
• 1.10 Read measured value block and basic settings
  12
• 1.11 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 Dismantling and assembling intake manifold
  26
• 1.6 Dismantling and assembling round air cleaner
  30
• 1.7 Servicing injection unit
  32
• 1.8 Safety precautions
  42
• 1.9 Rules for cleanliness
  42
• 1.10 Technical data
  43
• 1.11 Idling speed check
  43
• 1.12 Checking Lambda probe and Lambda control
  45
• 1.13 Checking Lambda probe heating
  48
• 1.14 Checking engine operating mode
  49
• 1.15 Checking overrun cut-off
  50
• 1.16 Checking throttle valve positioner
  51
• 1.17 Checking and adjusting idling switch
  53
• 1.18 Checking sender for throttle valve positioner
  58
• 1.19 Checking throttle valve potentiometer
  59
• 1.20 Checking coolant temperature sender
  61
• 1.21 Checking intake air temperature sender
  64
• 1.22 Checking injector
  68
• 1.23 Checking speed signal
  71
• 1.24 Checking control unit voltage supply
  72
• 1.25 Matching engine electronic control unit to electronic immobilizer
  73
• 1.26 Checking fuel pressure regulator and holding pressure
  74
• 1.27 Adapting idling speed
  77
• 1.28 Checking intake air system for leaks (unmetered air)
  78
• 1.29 Checking intake air preheating
  79
• 1.30 Wire routing engine wiring loom
  81
• Ignition system
  84
• 1 Mono-Motronic injection and ignition system
  84
• 1.1 Mono-Motronic injection and ignition system
  84
• 1.2 Servicing ignition part
  84
• 1.3 Dismantling and assembling distributor
  88
• 1.4 Safety precautions
  89
• 1.5 Adjustment data, Spark plugs
  89
• 1.6 Checking and adjusting ignition timing
  89
• 1.7 Checking ignition timing control
  91
• 1.8 Checking Hall sender
  91
• 1.9 Checking ignition transformer
  93
• 1.10 Checking ignition transformer output stage
  93
• 1.11 Checking knock sensor
  95