Motronic injection and ignition system (1.6 ltr. engine)

Chapter overview

• Self-diagnosis
  1
• 1 General to self-diagnosis
  1
• 1.1 General to 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 electronics control unit
  2
• 2 Fault memory
  4
• 2.1 Fault memory
  4
• 2.2 Interrogating and erasing fault memory
  4
• 2.3 Fault table
  6
• 3 Final control diagnosis
  17
• 3.1 Final control diagnosis
  17
• 3.2 Performing final control diagnosis
  17
• 4 Measured value blocks
  20
• 4.1 Measured value blocks
  20
• 4.2 Safety precautions
  20
• 4.3 Read measured value block
  21
• 4.4 Evaluating measured value blocks (display groups 001-009)
  22
• 4.5 Evaluating measured value blocks (display groups 010-099)
  30
• Mixture preparation, Injection
  37
• 1 Servicing injection system
  37
• 1.1 Servicing injection system
  37
• 1.2 Fitting locations overview
  37
• 1.3 General notes on injection
  39
• 1.4 Removing and installing parts of the injection system
  40
• 1.5 Dismantling and assembling air cleaner
  46
• 1.6 Dismantling and assembling fuel manifold with injectors
  47
• 1.7 Removing and installing throttle valve control part
  48
• 1.8 Safety precautions
  50
• 1.9 Rules for cleanliness
  51
• 1.10 Technical data
  51
• 2 Checking components
  51
• 2.1 Checking components
  51
• 2.2 Checking Lambda probe heating
  51
• 2.3 Checking air mass meter
  53
• 2.4 Checking throttle valve control part
  55
• 2.5 Checking coolant temperature sender
  62
• 2.6 Checking engine speed sender
  65
• 2.7 Checking injectors
  66
• 2.8 Checking fuel pressure regulator and holding pressure
  70
• 2.9 Checking intake air system for leaks (unmetered air)
  73
• 3 Checking functions
  74
• 3.1 Checking functions
  74
• 3.2 Idling check
  74
• 3.3 Adapting idling speed
  75
• 3.4 Checking Lambda control
  77
• 3.5 Checking engine operating mode
  80
• 3.6 Checking driving characteristics after a cold start
  82
• 4 Engine control unit
  83
• 4.1 Engine control unit
  83
• 4.2 Checking control unit voltage supply
  83
• 4.3 Procedure after voltage supply open circuit
  85
• 4.4 Replacing engine control unit
  85
• 4.5 Coding engine control unit
  87
• 4.6 Coding variations of engine control unit
  87
• 4.7 Matching engine control unit to throttle valve control part
  88
• 4.8 Matching engine control unit to electronic immobilizer
  89
• 5 Checking additional signals
  90
• 5.1 Checking additional signals
  90
• 5.2 Checking speed signal
  90
• 5.3 Checking air conditioner compressor signal
  92
• 5.4 Checking ignition retardation during gear selection
  93
• 5.5 Checking driving range signal
  95
• Ignition system
  97
• 1 Servicing ignition system
  97
• 1.1 Servicing ignition system
  97
• 1.2 General notes to ignition system
  97
• 1.3 Removing and installing parts of the ignition system
  98
• 1.4 Safety precautions
  101
• 1.5 Test data, spark plugs
  102
• 1.6 Installing distributor
  102
• 1.7 Checking and adjusting distributor basic setting
  104
• 1.8 Checking Hall sender
  104
• 1.9 Checking ignition transformer and output stage
  106
• 1.10 Checking knock sensor
  108