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> Training > Volkswagen & Audi Diagnostics

 

Volkswagen & Audi Diagnostics

AES#:
ATG-90
MSRP:
$109.00
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$99.00
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Description
More Info

ATG is convinced that every shop can now perform profitable VW & Audi diagnosis and repair. Whether you are just starting to consider VW & Audi service or are a seasoned European technician, this manual will give you information and tips that will help you achieve this goal.

Highlights of this 278-page (8-1/2" x 11") manual include:
o Current Track* wiring diagrams
o Great aftermarket Scan Tool choices
o Module Coding
o The cryptic Measuring Blocks
o Forcing Monitors with Basic Setting* functions
o Throttle Adaptation
o Shortcuts for finding faults that are flow chart resistant
o Hundreds of scan tool captures, voltage tests, and wiring examples.


Volkswagen and Audi Diagnostics training manual contents:

1. Introduction
* Current Track Wiring
* Tools & Information
* Motronic Systems

2. Scan Tool
* Diagnostic Modes
* Measuring Blocks
* Basic Settings

3. Ignition Systems
* Timing Controls
* CKP & CMP Sensors
* Distributor, DIS, & COP Systems
* Misfire Testing

4. Fuel Systems
* Pressurization & Injection
* Adaptive Fuel Control
* Oxygen & MAF Sensors

5. Air Induction Systems
* Throttle Controls
* Turbo Charging

6. Emissions Systems
* EVAP Systems
* Catalytic Converters
* Air injection
* Variable Cam Timing

 

 

 

Detailed Table of Contents

278-pages (8-1/2" x 11")

INTRODUCTION CONTENTS (SECTION 1)

REPAIR INFORMATION
Information Sources Overview 1-8
OEM Information/Aftermarket Information 1-8
Current Track Wiring Overview 1-10
Component Labeling Standards 1-11
Other Connection Labeling Standards 1-13
Wire Colors 1-14
Training Diagrams 1-15
Symbol Standards 1-18

ENGINE MANAGEMENT
Motronic Systems
Bosch Engine Controls History 1-21
Ignition System Variations 1-22
Bosch Motronic System Variations 1-22
Motronic Component Terminology Variations 1-22
Motronic Power Supply & System Grounds 1-24
Wiring Faults 1-24
Layers of Control 1-25
Engine Control Unit (ECU/PCM) Faults 1-25
Incidental Control Unit Damage 1-26
Motronic Adaptive Strategies 1-27
Generic OBD II
The Concept & Monitor Overview 1-28
Comprehensive Component Monitor (CCM) 1-29
Task Manager/Diagnostic Executive 1-29
Monitor Testing Overlap 1-29
Unmonitored Components, Circuits, & Systems 1-30
Monitor Trips & Drive Cycles 1-31
Common VW & Audi Drive Cycle 1-31
Generic OBD II - Continued
Generic Monitor Readiness Status 1-32
Generic OBD II Trouble Codes & Freeze Frame Information 1-33
Mode $06 Information 1-34
Generic Scan Tool Overview 1-34

DIAGNOSTIC TOOLS
Voltage Measurement Tools
Graphing Multimeter (GMM) & Lab Scopes 1-35
Voltage Measurement Tricks 1-35
Current Measurement Tools
Current Measurement Reasoning 1-36
Inductive Current Probes & Circuit Access 1-37

COMMUNICATIONS NETWORKS
Controller Area Network (CAN)
CAN Bus Description & CAN Faults 1-38
CAN Bus Wiring Examples 1-40
Other Protocols
ISO 9141-2 & KW2000 (ISO 14230 Keyword Protocol 2000) 1-46
Local Interconnect Network 1-46

REFERENCE INFORMATION
Basic Testing Strategies
ATG Sensor Testing 1-47
Using ATG Sensor Test Results 1-48
Technical Bits
Overview 1-49
Inline 'V' & 'W' Engines 1-49
Electronic Thermostats 1-49
Oil Pressure Faults 1-50
Transmission Filling Procedures 1-50
Vacuum Faults 1-51
Central Convenience Codes 1-51
Brake Light Switch Faults 1-51
EGR Faults 1-51
Current Track Wiring
Engine Management Wiring Examples 1-52
Accessory Wiring Examples 1-72
Terminology
Abbreviations & Acronyms 1-94


SCAN TOOL CONTENTS (SECTION 2)

SCAN TOOL DIAGNOSTICS
Data Link Connector
OBD II Data Link Connector (DLC) 2-2
Data Link Connector Locations 2-2
Data Link Connector Terminal ID 2-4
Scan Tool Communications Protocols 2-4
Available Tools & Systems
OEM Scan Tool 2-6
Aftermarket Scan Tools 2-6
Accessible Systems 2-8
Scan Tool Functionality
'No Communication' Faults 2-9
Scan Tool Mode Selection 2-10
01 - ECU ID 2-11
02 - DTC Check 2-12
03 - Actuator Tests 2-15
04 - Basic Setting 2-20
05 - Clear DTCs 2-24
06 - Stop Communications 2-24
07 - Coding (KW Function 11) 2-25
08 - Measuring Blocks 2-26
PID Value Substitution 2-28
Measuring Block Issues & Limitations 2-28
Measuring Block 000 2-30
10 - Adaptation 2-35
11 - Login (KW Function 16 - Security Access) 2-35
15 - Readiness Codes 2-36
Reprogramming
Programming Overview 2-39
Pass-Through Programming 2-40


IGNITION CONTENTS (SECTION 3)

IGNITION TIMING & SEQUENCE
Ignition Timing Controls
Timing Controls Overview 3-3
Knocking, Pinging, & Pre-Ignition 3-3
Causes of Knocking 3-4
Knock Sensors 3-4
Cylinder Identification 3-5
Knock Sensor Locations 3-5
Sensor & Circuit Faults 3-6
Sensor Trouble Codes 3-6
Knock Sensor Scan Tool Test 3-7
Knock vs. Advance Logic 3-8
Knock Sensor Lab Scope Test 3-9
Knock Sensor Wiring Diagram 3-10

ENGINE POSITION SENSORS
Position Sensor Overview
Camshaft & Crankshaft Sensors Overview 3-11
Missing Signal Tolerance 3-11
Hall Effect Sensors
Theory & Operation 3-12
Sensor Signals 3-12
Hall Effect Triggers 3-13
Types of Sensor Faults 3-14
Circuit Testing Access 3-14
Sensor Testing Overview 3-15
Tool Selection 3-16
Lab Scope Test 3-17
Sensor Wiring Diagram 3-18
Permanent Magnet Sensors
Theory & Operation 3-19
Sensor Signals 3-20
Waveform Characteristics 3-20
PM Sensor Triggers 3-21
Types of Sensor Faults 3-21
Circuit Testing Access 3-22
Sensor Testing Overview 3-23
PM Sensor Testing Tool Selection 3-23
Lab Scope Test 3-24
Sensor Wiring Diagrams 3-25
Modern Ignition Systems Requirements 3-26
Basic Ignition Diagnosis 3-27
Ignition Command (Triggering) 3-28
Ignition Coils 3-28
Ignition System Trouble Codes 3-28
Distributor Ignition System
Distributor System Construction 3-31
Distributor CMP Sensor Signal 3-31
Trigger Testing 3-32
Distributorless Ignition Systems (DIS)
Distributorless System Construction 3-33
Power & Waste Spark Confusion 3-34
DIS Testing Strategy 3-34
Trigger Testing 3-35
Distributorless System Wiring Diagram 3-36
Coil On Plug (COP) Ignition Systems
COP System Construction 3-37
Trigger Test 3-38
COP Testing Trick 3-39
COP System Wiring Diagram 3-40
Misfire Monitoring
Overview 3-41
Common Misfire Causes 3-41
Misfire Detection (Standard OBD II) 3-42
1-Trip* 2-Trip* Flashing MIL* 3-42
Misfire Trouble Codes 3-43
Scan Tool Testing 3-43


FUEL CONTENTS (SECTION 4)

FUEL SYSTEMS
Fuel Supply System
Purpose & Construction 4-3
Conventional (Returning) Fuel System 4-3
Pressure Testing 4-3
Returnless Fuel System 4-4
Direct Injection Fuel System 4-4
Fuel Pump Relay 4-4
Fuel Pump Relay Faults 4-5
Fuel Pumps 4-5
Pressure Specifications 4-5
Fuel Pump Faults 4-6
Pressure Regulator - Returning Systems 4-7
Pressure Regulator - Returnless Systems 4-8
Scan Tool Testing 4-9
Fuel Supply Wiring Diagrams 4-10
Fuel Injectors
Injector Overview 4-12
Sequential Fuel Injection (SFI) 4-13
Injector Duration (On Time) 4-13
Injector Resistance Testing 4-13
'Noid' Lights 4-14
Live Circuit Testing 4-14
Testing Tip 4-14
Lab Scope Test 4-15
Injector Scan Tool Test 4-16
Scan Tool Bi-Directional Testing 4-16
Fuel Injector Wiring Diagrams 4-17

FUEL CONTROL STRATEGIES
Fuel Trim
Basic Fuel Control 4-20
Open Loop 4-20
Closed Loop 4-20
Lambda 4-20
Adaptive Fuel Control (Fuel Trim) 4-21
Terminology 4-21
Scan Tool Fuel Trim Test 4-22
Measuring Block 000 Test 4-23
Other Measuring Blocks 4-23
Diagnosing with Fuel Trim 4-24
Exhaust Gas Temperature 4-24
Oxygen Sensors
Sensor Introduction 4-26
Oxygen, Lambda, Planar, Nernst* 4-26
Broadband Sensors 4-27
Sensor Locations 4-27
Sensor Operation 4-28
Sensor Signal Generation 4-28
Sensor Heaters 4-29
Sensor Testing Overview 4-29
Miscalibration Faults 4-30
Sensor & Heater Status PIDs 4-31
Sensor Voltage PIDs 4-32
Heater Resistance PIDs 4-32
Scan Tool Test - PID Graphing 4-33
Fuel Trim/02 Sensor Measuring Block Summary 4-34
OEM Testing Sequence 4-34
Wiring Diagram 4-37
Broadband Oxygen Sensors
Sensor Overview 4-38
Broadband Signal Testing 4-38
Wiring Diagram 4-39
Series Sensor Variations
Triple Sensor Applications 4-40

MASS AIRFLOW SENSORS
Hot Film Mass Airflow Sensors
Sensor Theory & Operation 4-41
Common MAF Faults 4-42
Sensor Voltage Testing 4-42
Lab Scope Snap Throttle Test 4-43
Sensor Scan Tool Testing 4-44
MAF Sensor Wiring Diagram 4-45

TEMPERATURE SENSORS
Coolant & Air Temperature Sensors
Thermistor Description 4-46
Sensor Defaults 4-46
Sensor Resistance Testing 4-47
Scan Tool Test 4-47
Thermistor Wiring Diagram 4-48

INTAKE SYSTEMS CONTENTS (SECTION 5)

INTAKE SYSTEMS
Drive By Wire Variations
System Generations 5-2
Type 1 & 2 Electronic Power Control
System Description 5-2
System Components 5-3
Trouble Codes 5-3
Scan Tool PIDs 5-4
Throttle Relearn 5-5
EPC Wiring Diagram 5-7
Type 3 Electronic Power Control
System Description 5-8
Flow of Control 5-8
System Components 5-9
EPC Self Diagnosis 5-10
Backup Operation 5-10
Scan Tool PIDs 5-12
PID Graphing 5-15
Throttle Adaptation 5-16
EPC Wiring Diagram 5-17
Variable Intake Manifolds
System Description 5-19
Turbo Charging
System Description 5-20
Overrun Boost Recirculation 5-21
Turbo Charge Pressure Sensor 5-21
Boost Control Solenoids 5-22
Solenoid Functional Testing 5-22
PID Graphing 5-23
Turbo Controls Wiring Diagram 5-24


EMISSIONS CONTENTS (SECTION 6)

EMISSIONS SYSTEMS
Emissions Systems Overview
Tailpipe Emissions Overview 6-2
Controlling CO/Controlling HC 6-2
Controlling NOX 6-3
Catalytic Converter 6-3
Positive Crankcase Ventilation (PCV) 6-3
Evaporative Emissions Systems
The Hydrocarbon Problem 6-5
EVAP System Overview 6-5
Basic EVAP System & Flow 6-6
Charcoal Canister & Canister Vapor Flow 6-7
Pressure Holding Valve 6-8
Purge Solenoid 6-8
EVAP System Test Port 6-9
Vent Solenoid 6-9
Leak Detection Pump (LDP) 6-10
Basic Setting EVAP Test 6-11
Purge Flow Verification 6-12
Scan Tool Solenoid Control 6-13
EVAP System Wiring Diagrams 6-14
Catalytic Converters
Converter Construction 6-16
Converter Efficiency Testing 6-17
Scan Tool Catalyst Test 6-18
Basic Setting Test 6-19
Secondary Air Injection
System Overview 6-20
Air Pump & Relay 6-20
Bypass Valve & Air Solenoid 6-21
Scan Tool PIDs 6-22
Air System Actuation 6-22
Basic Setting Test 6-22
Air System Wiring Diagram 6-23
Variable Valve Timing
Camshaft Timing Principles 6-24
System Variations 6-24
Piston Style Variable Timing 6-25
Vane Style Variable Timing 6-26
Cam Timing PIDs 6-27
Cam Timing Actuator Test 6-27
Variable Cam Timing Wiring Diagrams 6-28



 

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