Volkswagen 1.9 tdi Manuals

Manuals and User Guides for Volkswagen 1.9 tdi. We have 1 Volkswagen 1.9 tdi manual available for free PDF download: Owner's Manual

Volkswagen 1.9 tdi Owner's Manual

Volkswagen 1.9 tdi Owner's Manual (68 pages)

1.9-Liter TDI Engine with Pump Injection

Brand: Volkswagen | Category: Engine | Size: 1 MB

Table of Contents

Table of Contents
3
Introduction
5
- Liter TDI Engine with Pump Injection System
  5
- Engine – Mechanics
  6
- Development of the 1.9-Liter TDI Engine with Pump
  6
  - Trapezoidal Piston and Connecting Rod
    8
  - Toothed Belt Drive
    10
  - Function
    11
  - Non-Uniform Tooth Gap Clearance
    11
  - Fuel Supply System Overview
    12
  - Fuel Pump
    14
  - Distributor Pipe
    17
  - Fuel Cooling System
    18
  - Fuel Cooling Circuit
    18
Pump Injection System
19
- Design
  21
- Pump Injection System
  22
- Drive Mechanism
  22
- Mixture Formation and Combustion Requirements
  24
- Pre-Injection Phase
  24
- Main Injection Phase
  24
- End of Injection
  24
- Injection Cycle
  25
- High-Pressure Chamber Fills
  25
- Pre-Injection Phase Starts
  26
- Injector Needle Damping
  27
- Pre-Injection Phase Ends
  28
- Main Injection Phase Starts
  29
- Main Injection Phase Ends
  30
- Pump/Injector Fuel Return
  31
- 1.9-Liter TDI Engine EDC 16 System Overview
  32
Engine Management
32
- Actuators
  33
- Camshaft Position Sensor G40
  34
- Effects of Signal Failure
  34
- Sensors
  34
- Signal Application
  34
- Camshaft Sensor Wheel
  35
- Cylinder Recognition When Starting the Engine
  35
- Signal Pattern, Camshaft Position Sensor G40
  36
- Engine Speed Sensor G28
  37
  - Engine Speed Sensor Wheel
    37
  - Quick-Start Function
    38
  - Fuel Temperature Sensor G81
    39
  - Mass Air Flow Sensor G70
    40
  - Engine Coolant Temperature Sensor G62
    41
  - Accelerator Pedal Sensors
    42
- Closed Throttle Position Switch F60
  42
- Kick down Switch F8
  42
- Throttle Position Sensor G79
  42
- Intake Air Temperature Sensor G72
  43
- Intake Manifold Sensors
  43
- Manifold Absolute Pressure Sensor G71
  43
- Barometric Pressure Sensor F96
  44
- Clutch Vacuum Vent Valve Switch F36
  44
- Brake Light Switch F
  45
- Brake Pedal Sensors
  45
- Module J248
  45
  - Additional Input Signals
    46
  - Cruise Control Switch
    46
  - Road Speed Signal
    46
  - Three-Phase AC Generator Terminal DF
    46
  - Injection Quantity
    47
  - Pump/Injector Solenoid Valves
    47
  - Start of Injection Point
    47
  - Effects of Failure
    48
  - Electrical Circuit
    48
  - Current Pattern - Pump/Injector Solenoid Valve
    49
  - Pump/Injector Solenoid Valve Monitoring
    49
  - Change-Over Valve for Intake Manifold Flap N239
    51
  - Relay for Pump, Fuel Cooling J445
    53
  - Wastegate Bypass Regulator Valve N75
    54
  - EGR Vacuum Regulator Solenoid Valve N18
    55
  - Glow Plug Indicator Light K29
    55
  - Additional Output Signals
    56
  - Coolant Auxiliary Heater
    56
  - Cooling Fan Run-On
    56
  - Engine Speed
    56
  - Extended Glow Period
    57
  - Glow Period
    57
  - Glow Plug System Overview
    57
- EDC 16 Functional Diagram for 1.9-Liter TDI Engine
  58
- Functional Diagram
  59
Glow Plug System
57
- Self-Diagnosis
  60
- Function 02 – Interrogate Fault Memory
  60
Service
60
- Pump/Injector Adjustment
  61
- Special Tools
  62
Knowledge Assessment
65

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