Diesel & Petrol Engine Management (2018.1)

Injector Testing made easy with Current Clamps

Benefits of monitoring Injector current flow to ascertain complete operation

Principles of operation of all Injector types – PFI/DPI/Solenoid & Piezo Indirect CRD Injectors/ Single stage Direct CRD Injectors

Understanding waveforms

Peak and hold vs Saturation Control

Good and bad Waveform examples of all Injector types

Opposing CRD Injector operation with shared DC/DC Converter

 MAF Diagnosis

Hot Wire & Hot Film types *also refer to 2015.1 for supplementary information

Diagnosing MAFM DTC’s P0100 P0101 P0102 P0103 P0104 P0068

Analogue & Digital sensor output waveform examples

Basic preliminary circuit tests for all sensors

Cleaning MAFM vs replacement

Diagnosing faults and Lean DTC’s P0170 P0174

*also refer Diagnostics with Fuel trims in this book

*also refer MAFM Volumetric Efficiency calculation in 2015.1

*also refer to Diagnosing Lean DTC’s in 2015.1

Intro to Commodore 8 wire multi-function MAFM *same info also in 2019.3

 Air Intake Control Systems

Variable Intake Length Manifolds

Intake Swirl Control Manifolds

Intake Tumble Control Manifolds

Vacuum Actuator Systems with Mercedes V6 example

Electromechanical Actuator Systems with SAB/Astra example

Actuator feedback/Valve position sensors

Failure types and examples

Vacuum switching testing with Aurion example

Electromechanical Actuator failure/testing with VAG 3.0 V6 TDI example

 CAN Bus – Part 2  *Part 1 in 2017.1

Toyota Kluger ABS CAN fault Diagnostic example

VW Golf Steering wheel controls/Air Cond CAN fault Diagnostic example

 Diagnostics with Fuel trims

Explaining Fuel trim table creation STFT/LTFT/Adaptive limits

Base fuel maps

Monitoring fuel trims via Scantool

Diagnosing faults by observing Fuel trims and UO2S or A/F ratio sensors

 Alternative Combustion Cycle Engines

Past, present and future alternative Otto cycle engine designs

Atkinson Cycle featuring Prius

Miller Cycle

Homogeneous Charge Compression Ignition (HCCI) mentioning Mazda SkyActiv-X

VW B-Cycle

Variable Compression Ratio showing Infiniti VC-T engine