Table Of Contents - Audi 1.8T Technician Reference Manual

Table of Contents

Table Of Contents2
Learning Objectives3
Pre-Test Answer Sheet6
Role Of Engine Management8
Four-Stroke Engine Operation9
Overview Of Charge Air Path10
Variable Intake Manifold11
Two Stage Variable Intake Manifold11
Long Path11
Short Path11
Three Stage Variable Intake Manifold12
Turbocharger13
Fuel Delivery14
Gasoline Properties14
Fuel Pressure Regulator15
Turbocharged Engines15
Air/Fuel Mixture Formation16
Closed Loop Operation16
Adaptation17
Ignition Systems18
Emissions Systems19
Oxygen Sensors20
Catalytic Converters20
Obd Ii21
Safety Warnings And Cautions22
Fuel System Safety23
Fire Protection23
Eye Protection23
Hand And Skin Protection23
Aesis Functionality24
Scan Tool Overview25
Motronic System26
Motronic Sensors And Actuators26
System Authority29
Open Loop29
Closed Loop29
Warm Up Enrichment29
System Authority For Engine Management30
Fault Generation32
Engine Control Module Fault Recognition32
Component Monitoring Exercise33
Ntc Sensor Circuit33
Open Ntc Sensor Circuit33
Shorted Ntc Sensor Circuit34
Potentiometer (3-Wire Sensor)34
Short To Ground35
Loss Of Ground35
Short To Power35
Output Circuit (Actuators) Monitoring36
Summary36
Fuel Pressure And Volume38
Affects Of Fuel Pressure On System Adaptation38
Fuel Delivery Quiz39
Fuel Delivery Answer Sheet42
Ignition System44
Waste Spark Ignition System44
Turbo45
Ignition System Troubleshooting45
Mixture Control46
Oxygen Sensor Voltage Vs. Air/Fuel Ratio46
Measuring Value Blocks48
4 Field Display Groups48
Display Group 00049
Display Group 000 Quiz50
Measuring Value Block, Display Group 00050
Display Group 000 Answer Sheet52
Emissions Systems Overview54
Evaporative Emissions (Evap)54
Secondary Air Injection (Air)55
Three-Way Catalytic Converter55
Setting The Readiness Code56
Readiness Code Worksheet58
Turbocharger Operation60