Motronic inject. and ignition system 6 cyl. Injection engine

Chapter overview

• Self-diagnosis
  1
• 1 General to self-diagnosis (engine)
  1
• 1.1 General to self-diagnosis (engine)
  1
• 1.2 Features of self-diagnosis
  1
• 1.3 Significance of EPC warning lamp (fault lamp for electronic accelerator) in dash panel insert
  1
• 1.4 Significance of exhaust emissions warning lamp
  2
• 1.5 Technical data of self-diagnosis
  3
• 1.6 Connecting fault reader V.A.G 1551 and selecting engine control unit
  4
• 2 Fault memory
  10
• 2.1 Fault memory
  10
• 2.2 Interrogating and erasing fault memory
  10
• 3 Fault table: from V.A.G code 16486 / SAE P0 codes
  12
• 3.1 Fault table: from V.A.G code 16486 / SAE P0 codes
  12
• 3.2 Characteristics of the New Beetle RSi
  12
• 3.3 Fault table: from V.A.G code 16486 / SAE P0 codes
  15
• 4 Fault table: from V.A.G code 17510 / SAE P1 codes
  21
• 4.1 Fault table: from V.A.G code 17510 / SAE P1 codes
  21
• 4.2 Characteristics of the New Beetle RSi
  21
• 4.3 Fault table: from V.A.G code 17510 / SAE P1 codes
  24
• 5 Final control diagnosis
  33
• 5.1 Final control diagnosis
  33
• 5.2 Performing final control diagnosis
  33
• 6 Readiness code
  49
• 6.1 Readiness code
  49
• 6.2 Reading readiness code
  49
• 6.3 Generating readiness code
  50
• 7 Measured value blocks
  68
• 7.1 Measured value blocks
  68
• 7.2 Safety precautions
  68
• 7.3 Read measured value block
  69
• 8 Evaluating measured value blocks, display groups 0...6 -Basic functions-
  70
• 8.1 Evaluating measured value blocks, display groups 0...6 -Basic functions-
  70
• 9 Evaluating measured value blocks, display groups 10...29 -Ignition-
  73
• 9.1 Evaluating measured value blocks, display groups 10...29 -Ignition-
  73
• 10 Evaluating measured value blocks, display groups 30...33, 99 -Lambda regulation-
  76
• 10.1 Evaluating measured value blocks, display groups 30...33, 99 -Lambda regulation-
  76
• 11 Evaluating measured value blocks, display groups 50...69 -Speed regulation-
  82
• 11.1 Evaluating measured value blocks, display groups 50...69 -Speed regulation-
  82
• 13 Evaluating measured value block, display group 125 -Communication-
  86
• 13.1 Evaluating measured value block, display group 125 -Communication-
  86
• Mixture preparation, Injection
  87
• 1 Servicing injection system
  87
• 1.1 Servicing injection system
  87
• 1.2 Fitting locations overview
  87
• 1.3 General notes on injection
  94
• 1.4 Removing and installing parts of the injection system
  95
• 1.5 Dismantling and assembling intake manifold
  108
• 1.6 Dismantling and assembling fuel distributor
  112
• 1.7 Dismantling and assembling air cleaner
  114
• 1.8 Safety precautions
  116
• 1.9 Rules for cleanliness
  118
• 1.10 Technical data
  118
• 2 Checking components
  118
• 2.1 Checking components
  118
• 2.2 Checking Lambda probe heating for Lambda probe before catalyst
  119
• 2.3 Checking Lambda probe heating for Lambda probe after catalyst
  124
• 2.4 Checking air mass meter
  130
• 2.5 Checking throttle valve control part
  133
• 2.6 Checking coolant temperature sender
  137
• 2.7 Checking intake air temperature sender
  142
• 2.8 Checking engine speed sender
  148
• 2.9 Checking injectors
  149
• 2.10 Checking fuel pressure regulator and holding pressure
  155
• 2.11 Checking intake manifold change-over
  158
• 2.12 Checking intake air system for leaks (unmetered air)
  160
• 3 Checking functions
  161
• 3.1 Checking functions
  161
• 3.2 Idling check
  162
• 3.3 Checking Lambda probe and Lambda regulation before catalyst
  163
• 3.4 Checking Lambda probe and Lambda regulation after catalyst
  168
• 3.5 Checking Lambda probe ageing of Lambda probe 1 bank 1
  171
• 3.6 Checking Lambda probe ageing of Lambda probe 1 bank 2
  173
• 3.7 Checking Lambda probe ageing Lambda probe after catalyst (trim regulation)
  174
• 3.8 Checking engine operating mode
  176
• 3.9 Checking Lambda probe ageing of Lambda probes
  177
• 4 Engine control unit
  177
• 4.1 Engine control unit
  177
• 4.2 Checking control unit voltage supply
  178
• 4.3 Procedure after voltage supply open circuit
  180
• 4.4 Replacing engine control unit
  181
• 4.5 Coding engine control unit
  182
• 4.6 Matching engine control unit to electronic immobilizer
  183
• 4.7 Adapting engine control unit to throttle valve control part
  184
• 5 Checking additional signals
  186
• 5.1 Checking additional signals
  186
• 5.2 Checking speed signal
  186
• 5.3 Checking signal from/to air conditioner
  188
• 5.4 Checking signal from clutch pedal switch
  190
• 5.5 Checking signal from brake light switch and brake pedal switch
  193
• 5.6 Checking cruise control system (CCS)
  196
• 5.7 Checking data bus
  197
• Ignition system
  199
• 1 Servicing ignition system
  199
• 1.1 Servicing ignition system
  199
• 1.2 General notes on ignition system
  199
• 1.3 Removing and installing parts of the ignition system
  200
• 1.4 Safety precautions
  205
• 1.5 Test data, spark plugs
  206
• 1.6 Checking Hall sender
  206
• 1.7 Checking ignition transformer
  208
• 1.8 Checking knock sensor
  212
• 1.9 Check misfiring recognition
  215