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 the exhaust gas warning lamp
  3
• 1.5 Significance of EPC warning lamp (fault lamp for electronic accelerator) in dash panel insert
  4
• 1.6 Connecting fault reader
  5
• 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 and P2 codes
  10
• 3.1 Fault table: SAE P0 and P2 codes
  10
• 4 Fault table: SAE P1 and P3 codes
  14
• 4.1 Fault table: SAE P1 and P3 codes
  14
• 5 Final control diagnosis
  22
• 5.1 Final control diagnosis
  22
• 5.2 Performing final control diagnosis
  22
• 6 Readiness code
  34
• 6.1 Readiness code
  34
• 6.2 Reading readiness code
  34
• 6.3 Generating readiness code
  35
• 7 Measured value blocks
  45
• 7.1 Measured value blocks
  45
• 7.2 Safety precautions
  45
• 7.3 Read measured value block
  45
• 8 Evaluating measured value blocks, display groups 0...9 -Basic functions-
  46
• 8.1 Evaluating measured value blocks, display groups 0...9 -Basic functions-
  46
• 9 Evaluating measured value blocks, display groups 10...29 -Ignition-
  50
• 9.1 Evaluating measured value blocks, display groups 10...29 -Ignition-
  50
• 10 Evaluating measured value blocks, display groups 30...49, 99 -Lambda regulation-
  54
• 10.1 Evaluating measured value blocks, display groups 30...49, 99 -Lambda regulation-
  54
• 11 Evaluating measured value blocks, display groups 50...69 -Speed regulation-
  59
• 11.1 Evaluating measured value blocks, display groups 50...69 -Speed regulation-
  59
• 12 Evaluating measured value blocks, display groups 70...89 -Reducing emissions-
  65
• 12.1 Evaluating measured value blocks, display groups 70...89 -Reducing emissions-
  65
• 13 Evaluating measured value blocks, display group 100 -Readiness code-
  67
• 13.1 Evaluating measured value blocks, display group 100 -Readiness code-
  67
• 14 Evaluating measured value blocks, display groups 120...129 -Communication-
  68
• 14.1 Evaluating measured value blocks, display groups 120...129 -Communication-
  68
• 14.2 Evaluating measured value blocks, display groups 130...132 -Cooling-
  69
• Mixture preparation, Injection
  72
• 1 Servicing injection system
  72
• 1.1 Servicing injection system
  72
• 1.2 Fitting locations overview
  72
• 1.3 General notes on injection
  80
• 1.4 Removing and installing parts of the injection system
  82
• 1.5 Dismantling and assembling intake manifold - Upper part
  89
• 1.6 Dismantling and assembling air cleaner
  91
• 1.7 Dismantling and assembling fuel rail with injectors
  92
• 1.8 Safety precautions
  93
• 1.9 Rules for cleanliness
  94
• 1.10 Technical data
  94
• 2 Checking components
  94
• 2.1 Checking components
  94
• 2.2 Checking Lambda probe heating for Lambda probe before catalyst
  94
• 2.3 Checking Lambda probe heating for Lambda probe after catalyst
  98
• 2.4 Checking air mass meter
  101
• 2.5 Checking intake air temperature sender
  103
• 2.6 Checking throttle valve control part
  106
• 2.7 Checking coolant temperature sender
  109
• 2.8 Checking engine speed sender
  112
• 2.9 Checking injectors
  114
• 2.10 Checking fuel pressure regulator and holding pressure
  119
• 2.11 Checking intake air system for leaks (unmetered air)
  121
• 3 Checking functions
  122
• 3.1 Checking functions
  122
• 3.2 Idling check
  122
• 3.3 Checking Lambda probe and Lambda regulation before catalyst
  124
• 3.4 Checking Lambda probe and Lambda regulation after catalyst
  128
• 3.5 Checking Lambda probe ageing, Lambda probe before catalyst
  132
• 3.6 Checking engine operating mode
  134
• 3.7 Checking intake manifold change-over
  135
• 4 Engine control unit
  138
• 4.1 Engine control unit
  138
• 4.2 Function
  138
• 4.3 Checking control unit voltage supply
  138
• 4.4 Replacing engine control unit
  142
• 4.5 Coding engine control unit
  143
• 4.6 Coding variations of engine control unit
  144
• 4.8 Learning kick-down point
  147
• 4.9 Checking matching resistor for data bus
  148
• 5 Checking additional signals
  149
• 5.1 Checking additional signals
  149
• 5.2 Checking speed signal
  149
• 5.3 Checking signal from/to air conditioning system
  151
• 5.4 Checking signal from clutch pedal switch
  155
• 5.5 Checking signal from brake light switch and brake pedal switch
  156
• 5.6 Checking signal from power steering pressure switch
  157
• 5.7 Checking driving range signal
  158
• Ignition system
  160
• 1 Servicing ignition system
  160
• 1.1 Servicing ignition system
  160
• 1.2 General notes on ignition system
  160
• 1.3 Removing and installing parts of the ignition system
  161
• 1.4 Safety precautions
  164
• 1.5 Test data, spark plugs
  164
• 1.6 Checking Hall sender
  165
• 1.7 Checking ignition transformer
  166
• 1.8 Checking knock sensor
  169
• 1.9 Check misfiring recognition
  172