Motronic injection and igni- tion system (1.8 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 control unit
  2
• 2 Fault memory
  4
• 2.1 Fault memory
  4
• 2.2 Interrogating and erasing fault memory
  4
• 3 Fault table, fault codes 00515...01262
  6
• 3.1 Fault table, fault codes 00515...01262
  6
• 4 Fault table, fault codes 16486...18020
  14
• 4.1 Fault table, fault codes 16486...18020
  14
• 5 Final control diagnosis
  25
• 5.1 Final control diagnosis
  25
• 5.2 Performing final control diagnosis
  25
• 6 Measured value blocks
  32
• 6.1 Measured value blocks
  32
• 6.2 Safety precautions
  32
• 6.3 Read measured value block
  32
• 6.4 Evaluating measured value blocks
  33
• 6.5 Evaluating display zone 8, display zones 2 and 3 - Lambda learnt values
  41
• Mixture preparation, Injection
  52
• 1 Servicing injection system
  52
• 1.1 Servicing injection system
  52
• 1.2 Fitting locations overview
  52
• 1.3 General notes on injection
  58
• 1.4 Removing and installing parts of the injection system
  59
• 1.5 Dismantling and assembling air cleaner
  74
• 1.6 Dismantling and assembling fuel rail with injectors
  77
• 1.7 Removing and installing parts of intake manifold change-over
  78
• 1.8 Removing and installing throttle valve control part
  83
• 1.9 Safety precautions
  85
• 1.10 Rules for cleanliness
  86
• 1.11 Technical data
  86
• 2 Checking components
  87
• 2.1 Checking components
  87
• 2.2 Checking Lambda probe heating
  87
• 2.3 Checking air mass meter
  89
• 2.4 Checking throttle valve control part
  92
• 2.5 Checking coolant temperature sender
  98
• 2.6 Checking intake air temperature sender
  102
• 2.7 Checking engine speed sender
  105
• 2.8 Testing altitude sender
  106
• 2.9 Checking injectors
  107
• 2.10 Checking fuel pressure regulator and holding pressure
  112
• 2.11 Checking intake air system for leaks (unmetered air)
  114
• 3 Checking functions
  115
• 3.1 Checking functions
  115
• 3.2 Idling check
  115
• 3.3 Adapting idling speed
  117
• 3.4 Checking Lambda control
  118
• 3.5 Checking engine operating mode
  122
• 3.6 Checking intake manifold change-over
  124
• 3.7 Checking driving characteristics after a cold start
  125
• 4 Engine control unit
  126
• 4.1 Engine control unit
  126
• 4.2 Checking control unit voltage supply
  126
• 4.3 Procedure after voltage supply open circuit
  128
• 4.4 Replacing engine control unit
  129
• 4.5 Coding engine control unit
  130
• 4.6 Coding variations of engine control unit
  131
• 4.7 Adapting engine control unit to throttle valve control part
  131
• 4.8 Adapting engine control unit to electronic immobilizer
  132
• 5 Checking additional signals
  134
• 5.1 Checking additional signals
  134
• 5.2 Checking speed signal
  134
• 5.3 Checking air conditioner compressor signal
  135
• 5.4 Checking ignition retardation during gear selection
  137
• 5.5 Checking driving range signal
  138
• Ignition system
  140
• 1 Servicing ignition system
  140
• 1.1 Servicing ignition system
  140
• 1.2 General notes on ignition system
  140
• 1.3 Removing and installing parts of the ignition system
  141
• 1.4 Safety precautions
  148
• 1.5 Test data, spark plugs
  149
• 1.6 Checking Hall sender
  149
• 1.7 Checking ignition coils with output stage
  150
• 1.8 Checking knock sensor
  155