Motronic injec. a ignit. system (4v Roller Rocker Finger)

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 Significance of exhaust emissions warning lamp
  3
• 1.6 Connecting fault reader
  4
• 2 Fault memory
  7
• 2.1 Fault memory
  7
• 2.2 Interrogating and erasing engine control unit fault memory
  7
• 2.3 Test sequence
  8
• 3 Fault table: SAE P0 codes
  9
• 3.1 Fault table: SAE P0 codes
  9
• 4 Fault table: SAE P1 codes
  16
• 4.1 Fault table: SAE P1 codes
  16
• 5 Final control diagnosis
  24
• 5.1 Final control diagnosis
  24
• 5.2 Performing final control diagnosis
  24
• 6 Readiness code
  30
• 6.1 Readiness code
  30
• 6.2 Function
  30
• 6.3 Reading off readiness code
  30
• 6.4 Generate readiness code
  31
• 7 Measured value blocks
  37
• 7.1 Measured value blocks
  37
• 7.2 Safety precautions
  37
• 7.3 Read measured value block
  37
• 8 Evaluating measured value blocks, display groups 0...9 -Basic functions-
  38
• 8.1 Evaluating measured value blocks, display groups 0...9 -Basic functions-
  38
• 9 Evaluating measured value blocks, display groups 10...29 -Ignition-
  42
• 9.1 Evaluating measured value blocks, display groups 10...29 -Ignition-
  42
• 10 Evaluating measured value blocks, display groups 30...49, 99 -Lambda regulation-
  46
• 10.1 Evaluating measured value blocks, display groups 30...49, 99 -Lambda regulation-
  46
• 11 Evaluating measured value blocks, display groups 50...69 -Speed regulation-
  51
• 11.1 Evaluating measured value blocks, display groups 50...69 -Speed regulation-
  51
• 12 Evaluating measured value blocks, display groups 70...79 -Reducing emissions-
  54
• 12.1 Evaluating measured value blocks, display groups 70...79 -Reducing emissions-
  54
• 13 Evaluating measured value blocks, display group 100 -Readiness code-
  56
• 13.1 Evaluating measured value blocks, display group 100 -Readiness code-
  56
• 14 Evaluating measured value blocks, display groups 120...129 -Communication-
  56
• 14.1 Evaluating measured value blocks, display groups 120...129 -Communication-
  56
• Mixture preparation, Injection
  58
• 1 Servicing injection system
  58
• 1.1 Servicing injection system
  58
• 1.2 Fitting locations overview
  58
• 1.3 General notes on injection
  62
• 1.4 Removing and installing parts of the injection system
  64
• 1.5 Dismantling and assembling intake manifold
  77
• 1.6 Dismantling and assembling fuel rail with injectors
  81
• 1.7 Dismantling and assembling air cleaner
  84
• 1.8 Dismantling and assembling the intake manifold
  86
• 1.9 Safety precautions
  89
• 1.10 Rules for cleanliness
  90
• 1.11 Technical data
  91
• 2 Checking components
  91
• 2.1 Checking components
  91
• 2.2 Checking Lambda probe heating for Lambda probe before catalytic converter
  91
• 2.3 Checking Lambda probe heating for Lambda probe after catalytic converter
  94
• 2.4 Checking throttle valve control part
  96
• 2.5 Checking intake manifold pressure sender
  100
• 2.6 Check intake air temperature sender
  101
• 2.7 Check coolant temperature sender
  106
• 2.8 Checking engine speed sender
  111
• 2.9 Checking injectors
  113
• 2.10 Checking fuel pressure regulator and holding pressure
  119
• 2.11 Checking intake air system for leaks (unmetered air)
  122
• 2.12 Checking intake air preheating
  123
• 3 Checking functions
  124
• 3.1 Checking functions
  124
• 3.2 Idling check
  124
• 3.3 Checking Lambda probe and Lambda regulation before catalytic converter
  126
• 3.4 Check Lambda probe and Lambda regulation after catalytic converter
  129
• 3.5 Checking Lambda probe ageing for Lambda probe before catalytic converter
  133
• 3.6 Checking engine operating mode
  135
• 4 Engine control unit
  137
• 4.1 Engine control unit
  137
• 4.2 Checking control unit voltage supply
  137
• 4.3 Procedure after voltage supply open circuit
  139
• 4.4 Replace engine control unit
  139
• 4.5 Coding engine control unit
  141
• 4.6 Coding variations of engine control unit
  142
• 5 Checking additional signals
  144
• 5.1 Checking additional signals
  144
• 5.2 Checking speed signal
  144
• 5.3 Checking signal from/to air conditioning system
  146
• 5.4 Checking signal from clutch pedal switch
  148
• 5.5 Checking signal from brake light switch and brake pedal switch
  150
• 5.6 Checking engine speed signal
  153
• 5.7 Checking data bus
  154
• Ignition system
  156
• 1 Servicing ignition system
  156
• 1.1 Servicing ignition system
  156
• 1.2 General notes on ignition system
  156
• 1.3 Removing and installing parts of the ignition system
  157
• 1.4 Safety precautions
  160
• 1.5 Test data, spark plugs
  161
• 1.6 Checking Hall sender
  161
• 1.7 Checking ignition coils with final output stage
  163
• 1.8 Checking knock sensor
  167
• 1.9 Check misfiring recognition
  169