Direct injection and glow plug system with unit injectors

Chapter overview

• Self-diagnosis
  1
• 1 Self-diagnosis
  1
• 1.1 Self-diagnosis
  1
• 1.2 Features of self-diagnosis
  1
• 1.3 Technical data of self-diagnosis
  1
• 1.4 Connecting fault reader V.A.G 1551 and selecting engine control unit
  2
• 2 Fault memory
  7
• 2.1 Fault memory
  7
• 2.2 Interrogating fault memory
  7
• 2.3 Erasing fault memory
  8
• 3 Fault table: Fault codes 00515...01282
  9
• 3.1 Fault table: Fault codes 00515...01282
  9
• 4 Fault table: Fault codes 16485...18076
  11
• 4.1 Fault table: Fault codes 16485...18076
  11
• 5 Final control diagnosis
  21
• 5.1 Final control diagnosis
  21
• 5.2 Performing final control diagnosis
  21
• 6 Measured value blocks
  24
• 6.1 Measured value blocks
  24
• 6.2 Safety precautions
  24
• 6.3 Reading measured value block
  24
• 6.4 Measured values at idling speed
  25
• 6.5 Measured values at full throttle
  32
• Mixture preparation, Injection
  37
• 1 Servicing Diesel direct injection system
  37
• 1.1 Servicing Diesel direct injection system
  37
• 1.2 Safety precautions
  37
• 1.3 Rules for cleanliness
  37
• 1.4 Fitting locations overview
  38
• 1.5 Servicing intake manifold flap
  41
• 1.6 Servicing unit injector
  43
• 1.7 Removing and installing O rings for unit injector
  46
• 1.8 Removing and installing unit injector
  48
• 2 Checking components and functions
  52
• 2.1 Checking components and functions
  52
• 2.2 Checking Diesel direct injection system voltage supply
  52
• 2.3 Checking engine speed sender
  53
• 2.4 Checking intake manifold pressure sender and elevation sender
  54
• 2.5 Checking coolant temperature sender
  56
• 2.6 Checking brake light switch and brake pedal switch
  58
• 2.7 Checking clutch pedal switch
  59
• 2.8 Checking intake manifold temperature sender
  61
• 2.9 Checking fuel temperature sender
  63
• 2.10 Checking air mass meter
  65
• 2.11 Checking intake manifold flap change-over
  68
• 2.12 Checking unit injector valves
  70
• 2.13 Checking camshaft position Hall sender
  73
• 3 Checking additional signals
  74
• 3.1 Checking additional signals
  74
• 3.2 Checking speed signal
  74
• 3.3 Checking signals from/to air conditioning system
  76
• 3.4 Checking engine speed signal
  78
• 3.5 Checking cruise control system (CCS)
  79
• 3.6 Checking data bus
  81
• 4 Replacing, coding and matching engine control unit
  81
• 4.1 Replacing, coding and matching engine control unit
  81
• 4.2 Replacing engine control unit
  81
• 4.3 Coding engine control unit
  82
• 4.4 Matching engine control unit to electronic immobilizer
  83
• Glow plug system
  85
• 1 Checking glow plug system
  85
• 1.1 Checking glow plug system
  85
• 1.2 Checking glow plugs
  86