Simos injection and ignition system

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 Significance of EPC warning lamp (fault lamp for electronic accelerator) in dash panel insert
  2
• 1.5 Connecting fault reader V.A.G 1551 and selecting engine control unit
  3
• 2 Fault memory
  8
• 2.1 Fault memory
  8
• 2.2 Automatic test sequence for interrogating all fault memories
  8
• 2.3 Interrogating and erasing engine control unit fault memory
  9
• 3 Fault table: SAE P0 codes
  10
• 3.1 Fault table: SAE P0 codes
  10
• 4 Fault table: SAE P1 codes
  13
• 4.1 Fault table: SAE P1 codes
  13
• 5 Final control diagnosis
  19
• 5.1 Final control diagnosis
  19
• 5.2 Performing final control diagnosis
  19
• 6 Measured value blocks
  25
• 6.1 Measured value blocks
  25
• 6.2 Safety precautions
  25
• 6.3 Read measured value block
  25
• 7 Evaluating measured value blocks, display groups 0...9 -Basic functions-
  26
• 7.1 Evaluating measured value blocks, display groups 0...9 -Basic functions-
  26
• 8 Evaluating measured value blocks, display groups 10...29 -Ignition-
  29
• 8.1 Evaluating measured value blocks, display groups 10...29 -Ignition-
  29
• 10 Evaluating measured value blocks, display groups 50...69 -Speed regulation-
  36
• 10.1 Evaluating measured value blocks, display groups 50...69 -Speed regulation-
  36
• 11 Evaluating measured value blocks, display groups 70...79 -Reducing emissions-
  39
• 11.1 Evaluating measured value blocks, display groups 70...79 -Reducing emissions-
  39
• 12 Evaluating measured value blocks, display groups 120...129 -Communication-
  41
• 12.1 Evaluating measured value blocks, display groups 120...129 -Communication-
  41
• 12.2 Evaluating measured value blocks, display groups 130 and 131 -Cooling-
  42
• Mixture preparation, Injection
  43
• 1 Servicing injection system
  43
• 1.1 Servicing injection system
  43
• 1.2 Fitting locations overview
  43
• 1.3 General notes on injection
  51
• 1.4 Removing and installing parts of the injection system
  52
• 1.5 Dismantling and assembling intake manifold - Upper part
  59
• 1.6 Dismantling and assembling air cleaner
  61
• 1.7 Dismantling and assembling fuel rail with injectors
  62
• 1.8 Safety precautions
  63
• 1.9 Rules for cleanliness
  64
• 1.10 Technical data
  64
• 2 Checking components
  64
• 2.1 Checking components
  64
• 2.2 Checking Lambda probe heating for Lambda probe before catalyst
  64
• 2.3 Checking Lambda probe heating for Lambda probe after catalyst
  67
• 2.4 Checking air mass meter
  70
• 2.5 Checking intake air temperature sender
  73
• 2.6 Checking throttle valve control part
  75
• 2.7 Checking coolant temperature sender
  79
• 2.8 Checking engine speed sender
  81
• 2.9 Checking injectors
  83
• 2.10 Checking fuel pressure regulator and holding pressure
  89
• 2.11 Checking intake air system for leaks (unmetered air)
  91
• 3 Checking functions
  92
• 3.1 Checking functions
  92
• 3.2 Idling check
  92
• 3.3 Checking Lambda probe and Lambda regulation before catalyst
  94
• 3.4 Checking Lambda probe and Lambda regulation after catalyst
  98
• 3.5 Checking Lambda probe ageing Lambda probe 1
  102
• 3.6 Checking engine operating mode
  103
• 3.7 Checking intake manifold change-over
  104
• 4 Engine control unit
  105
• 4.1 Engine control unit
  105
• 4.2 Function
  105
• 4.3 Checking control unit voltage supply
  105
• 4.4 Replacing engine control unit
  107
• 4.5 Coding engine control unit
  108
• 4.6 Coding variations of engine control unit
  109
• 4.8 Adapting engine control unit to electronic immobilizer
  112
• 5 Checking additional signals
  113
• 5.1 Checking additional signals
  113
• 5.2 Checking speed signal
  113
• 5.3 Checking engine speed signal
  115
• 5.4 Checking signal from/to air conditioning system
  115
• 5.5 Checking signal from clutch pedal switch
  119
• 5.6 Checking signal from brake light switch and brake pedal switch
  121
• 5.7 Checking signal from power steering pressure switch
  124
• 5.8 Checking driving range signal
  125
• 5.9 Checking data bus
  126
• Ignition system
  129
• 1 Servicing ignition system
  129
• 1.1 Servicing ignition system
  129
• 1.2 General notes on ignition system
  129
• 1.3 Removing and installing parts of the ignition system
  130
• 1.4 Safety precautions
  133
• 1.5 Test data, spark plugs
  133
• 1.6 Checking Hall sender
  134
• 1.7 Checking ignition coils with output stage
  135
• 1.8 Checking knock sensor
  138
• 1.9 Check misfiring recognition
  140