Motronic injection and ignition system (6-cyl.)

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
  5
• 2.1 Fault memory
  5
• 2.2 Interrogating and erasing fault memory
  5
• 3 Fault table, fault codes 00282...18259
  7
• 3.1 Fault table, fault codes 00282...18259
  7
• 3.2 Fault code 16515...16885
  17
• 4 Final control diagnosis
  26
• 4.1 Final control diagnosis
  26
• 4.2 Performing final control diagnosis
  26
• 5 Measured value blocks
  35
• 5.1 Measured value blocks
  35
• 5.2 Safety precautions
  35
• 5.3 Read measured value block
  35
• 5.4 Evaluating measured value blocks
  37
• 5.5 Evaluating display group 9, display zones 1 and 2 - Lambda probe voltage
  45
• Mixture preparation, Injection
  56
• 1 Servicing injection system
  56
• 1.1 Servicing injection system
  56
• 1.2 Fitting locations overview
  56
• 1.3 General notes on injection
  60
• 1.4 Removing and installing parts of the injection system
  61
• 1.5 Dismantling and assembling air cleaner
  68
• 1.6 Dismantling and assembling fuel rail with injectors
  70
• 1.7 Removing and installing parts of intake manifold change-over
  72
• 1.8 Removing and installing throttle valve control part
  74
• 1.9 Safety precautions
  79
• 1.10 Rules for cleanliness
  80
• 1.11 Technical data
  80
• 2 Checking components
  80
• 2.1 Checking components
  80
• 2.2 Checking Lambda probe heating
  80
• 2.3 Checking air mass meter
  83
• 2.4 Checking throttle valve control part
  85
• 2.5 Checking coolant temperature sender
  92
• 2.6 Checking intake air temperature sender
  95
• 2.7 Checking engine speed sender
  98
• 2.8 Checking control unit voltage supply
  100
• 2.9 Checking injectors
  101
• 2.10 Checking fuel pressure regulator and holding pressure
  106
• 2.11 Checking intake manifold change-over
  108
• 2.12 Checking intake air system for leaks (unmetered air)
  109
• 2.13 Checking driving characteristics after a cold start
  110
• 3 Checking functions
  111
• 3.1 Checking functions
  111
• 3.2 Idling check
  111
• 3.3 Checking Lambda probe and Lambda regulation
  113
• 3.4 Checking engine operating mode
  116
• 4 Replacing, coding and matching engine control unit
  118
• 4.1 Replacing, coding and matching engine control unit
  118
• 4.2 Replacing engine control unit
  118
• 4.3 Coding engine control unit
  119
• 4.4 Coding variations of engine control unit
  120
• 4.5 Adapting engine control unit to throttle valve control part
  120
• 4.6 Adapting engine control unit to electronic immobilizer
  121
• 5 Checking additional signals
  123
• 5.1 Checking additional signals
  123
• 5.2 Checking speed signal
  123
• 5.3 Checking air conditioner compressor signal
  124
• 5.4 Checking ignition retardation during gear selection
  126
• 5.5 Checking driving range signal
  126
• Ignition system
  128
• 1 Servicing ignition system
  128
• 1.1 Servicing ignition system
  128
• 1.2 General notes on ignition system
  128
• 1.3 Removing and installing parts of the ignition system
  129
• 1.4 Safety precautions
  132
• 1.5 Test data, spark plugs
  132
• 1.6 Checking Hall sender
  132
• 1.7 Checking ignition coils with output stage
  134
• 1.8 Checking knock sensor
  136