Direct injection and glow plug system with distributor pump

Chapter overview

• Self-diagnosis, Electrical check
  1
• 1 Self-diagnosis
  1
• 1.1 Self-diagnosis
  1
• 1.2 Function
  1
• 1.3 Technical data of self-diagnosis
  1
• 1.4 Connecting fault reader V.A.G 1551 and selecting engine electronics control unit
  2
• 2 Fault memory
  4
• 2.1 Fault memory
  4
• 2.2 Interrogating fault memory
  4
• 2.3 Fault table
  5
• 2.4 Erasing fault memory
  14
• 3 Final control diagnosis
  16
• 3.1 Final control diagnosis
  16
• 3.2 Performing final control diagnosis
  16
• 4 Measured value blocks
  20
• 4.1 Measured value blocks
  20
• 4.2 Safety precautions
  20
• 4.3 Reading measured value block
  20
• 4.4 Evaluating measured value blocks, at idling speed
  21
• 4.5 Evaluating read measured value block, at full throttle
  28
• Mixture preparation, Injection
  33
• 1 Servicing Diesel direct injection system
  33
• 1.1 Servicing Diesel direct injection system
  33
• 1.2 Safety precautions
  33
• 1.3 Rules for cleanliness
  33
• 1.4 Fitting locations overview
  34
• 1.5 Servicing injection pump
  38
• 1.6 Servicing intake manifold flap
  43
• 1.7 Removing and installing injection pump
  45
• 1.8 Dynamically checking and adjusting commencement of injection
  51
• 1.9 Removing and installing injectors
  53
• 1.10 Checking injectors
  55
• 1.11 Renewing gasket on metering unit cover
  55
• 2 Checking components and functions
  56
• 2.1 Checking components and functions
  56
• 2.2 Checking Diesel direct injection system voltage supply
  56
• 2.3 Checking engine speed sender
  57
• 2.4 Checking intake manifold pressure sender and altitude sender
  58
• 2.5 Checking coolant temperature sender
  60
• 2.6 Checking brake light switch and brake pedal switch
  62
• 2.7 Checking clutch pedal switch
  63
• 2.8 Checking intake manifold sender
  65
• 2.9 Checking fuel temperature sender
  67
• 2.10 Checking modulating piston movement sender and quantity adjuster
  69
• 2.11 Checking needle lift sender
  72
• 2.12 Checking injection timing control range
  73
• 2.13 Checking charge pressure control
  75
• 2.14 Checking air mass meter
  78
• 2.15 Checking intake manifold change-over
  80
• 3 Checking additional signals
  82
• 3.1 Checking additional signals
  82
• 3.2 Checking speed signal
  82
• 3.3 Checking accelerator position sender
  84
• 3.4 Additional signals
  85
• 3.5 Checking accelerator pedal position sender
  85
• 3.6 Checking gear change signal from automatic gearbox
  86
• 3.7 Checking signals from/to air conditioning system
  87
• 3.8 Checking cruise control system (CCS)
  89
• 4 Replacing, coding and matching engine control unit
  91
• 4.1 Replacing, coding and matching engine control unit
  91
• 4.2 Replacing engine control unit
  91
• 4.3 Coding engine control unit
  92
• 4.4 Matching engine control unit to electronic immobilizer
  93
• 4.5 Checking data bus
  94
• Glow plug system
  101
• 1 Checking glow plug system
  101
• 1.1 Checking glow plug system
  101
• 1.2 Checking glow plugs
  101