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  • Examplepage for repair manual 4LV injection / ignition system
  • Examplepage for repair manual 2 4LV injection / ignition system
  • Examplepage for repair manual 3 4LV injection / ignition system

4LV injection / ignition system

For Caddy Kasten/Kombi / Polo Classic / Polo Variant

Original Volkswagen repair manual


13,49 €7% VAT incl.

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Language: English

Digital PDF file

1.773 KB

157 Sites

Detailed technical data

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This repair manual contains: General to self-diagnosis, Fault memory, Fault table: from V.A.G code 16486 / SAE P0 codes, Readiness code, Measured value blocks and Servicing injection system. Show more
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Repair manual Caddy Kasten/Kombi / Polo Classic / Polo Variant 4LV injection / ignition system PDF download has the following content:

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 fault memory
    7
  • 3 Fault table: from V.A.G code 16486 / SAE P0 codes
    9
  • 3.1 Fault table: from V.A.G code 16486 / SAE P0 codes
    9
  • 4 Fault table: from V.A.G code 17510 / SAE P1 codes
    13
  • 4.1 Fault table: from V.A.G code 17510 / SAE P1 codes
    13
  • 5 Final control diagnosis
    21
  • 5.1 Final control diagnosis
    21
  • 5.2 Performing final control diagnosis
    21
  • 6 Readiness code
    28
  • 6.1 Readiness code
    28
  • 6.2 Reading readiness code
    28
  • 6.3 Generating readiness code
    29
  • 7 Measured value blocks
    33
  • 7.1 Measured value blocks
    33
  • 7.2 Safety precautions
    33
  • 7.3 Read measured value block
    33
  • 8 Evaluating measured value blocks, display groups 0...6 -Basic functions
    35
  • 8.1 Evaluating measured value blocks, display groups 0...6 -Basic functions
    35
  • 9 Evaluating measured value blocks, display groups 10...29 -Ignition-
    39
  • 9.1 Evaluating measured value blocks, display groups 10...29 -Ignition-
    39
  • 11 Evaluating measured value blocks, display groups 50...69 -Speed regulation-
    48
  • 11.1 Evaluating measured value blocks, display groups 50...69 -Speed regulation-
    48
  • 13 Evaluating measured value blocks, display group 100 -Readiness code-
    52
  • 13.1 Evaluating measured value blocks, display group 100 -Readiness code-
    52
  • 14 Evaluating measured value blocks, display groups 120...129 -Communication-
    52
  • 14.1 Evaluating measured value blocks, display groups 120...129 -Communication-
    52
  • Mixture preparation, Injection
    54
  • 1 Servicing injection system
    54
  • 1.1 Servicing injection system
    54
  • 1.2 Fitting locations overview
    54
  • 1.3 General notes on injection
    58
  • 1.4 Removing and installing parts of the injection system
    59
  • 1.5 Dismantling and assembling intake manifold
    69
  • 1.6 Dismantling and assembling fuel rail with injectors
    72
  • 1.7 Dismantling and assembling air cleaner
    75
  • 1.8 Safety precautions
    78
  • 1.9 Rules for cleanliness
    79
  • 1.10 Technical data
    80
  • 2 Checking components
    80
  • 2.1 Checking components
    80
  • 2.2 Checking Lambda probe heating for Lambda probe before catalyst
    80
  • 2.3 Checking Lambda probe heating for Lambda probe after catalyst
    83
  • 2.4 Checking throttle valve control part
    85
  • 2.5 Checking intake manifold pressure sender
    87
  • 2.6 Checking intake air temperature sender
    90
  • 2.7 Checking coolant temperature sender
    94
  • 2.8 Checking engine speed sender
    98
  • 2.9 Checking injectors
    100
  • 2.10 Checking fuel pressure regulator and holding pressure
    107
  • 2.11 Checking intake air system for leaks (unmetered air)
    110
  • 2.12 Checking intake air preheating
    111
  • 3 Checking functions
    112
  • 3.1 Checking functions
    112
  • 3.2 Idling check
    112
  • 3.3 Adapting idling speed
    114
  • 3.4 Checking Lambda probe and Lambda regulation before catalyst
    115
  • 3.5 Checking Lambda probe and Lambda regulation after catalyst
    118
  • 3.6 Checking engine operating mode
    122
  • 4 Engine control unit
    123
  • 4.1 Engine control unit
    123
  • 4.2 Checking control unit voltage supply
    123
  • 4.3 Procedure after voltage supply open circuit
    125
  • 4.4 Replacing engine control unit
    126
  • 4.5 Coding engine control unit
    127
  • 4.6 Coding variants of engine control unit
    128
  • 4.7 Adapting engine control unit to throttle valve control part
    128
  • 4.8 Adapting engine control unit to electronic immobilizer
    130
  • 5 Checking additional signals
    131
  • 5.1 Checking additional signals
    131
  • 5.2 Checking speed signal
    131
  • 5.3 Checking signal from/to air conditioning system
    133
  • 5.4 Checking signal from brake light switch and brake pedal switch
    134
  • 5.5 Checking driving range signal
    136
  • 5.6 Checking rpm signal
    137
  • 5.7 Checking data bus
    138
  • Ignition system
    140
  • 1 Servicing ignition system
    140
  • 1.1 Servicing ignition system
    140
  • 1.2 General notes on ignition system
    140
  • 1.3 Removing and installing parts of the ignition system
    141
  • 1.4 Safety precautions
    143
  • 1.5 Test data, spark plugs
    144
  • 1.6 Checking Hall sender
    145
  • 1.7 Checking ignition transformer
    147
  • 1.8 Checking knock sensor
    150
  • 1.9 Check misfiring recognition
    152
Manufacturer's designation 4LV injection / ignition system
Manufacturer Volkswagen
Suitable for Caddy Kasten/Kombi (1996 - 2003) / Polo Classic / Polo Variant (1996 - 2002)
Suitable car types 9K, 6V
Engine code AUA
Category Reparaturanleitung

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