Detroit Diesel HD Basic Diagnostics Sign Up

The Detroit Diesel DD15 Engine Diagnostics class goes for 3 days and is designed to give students a review of the DD15 engine sub systems along with real world failure modes and analysis.

Pre-Requisites: The following are the web-based courses and exams that must be completed prior to attending the instructor-led training class for the DD15 Engine Diagnostic course:

• Product Intro-Introduction
• Product Intro-Fuel
• Product Intro-Cooling
• Product Intro-Air
• Product Intro-Lubrication
• Product Intro-Tune-Up
• DDEC IV
• DDEC Reports
• 2007 Aftertreatment
• 2007 Basic Diagnostics
• DD15 Major Repair ILT Class
• DD15 Maintenance

**You must attend the DD15 Major Repair class.

The material that will be covered in class includes the following:

• EGR System
• How the system normally operates
• EGR Actuator related codes
• How to use the SRA3 Status code to help identify an issue
• Delta Pressure sensor normal operation
• Delta Pressure sensor related issues
• Expected values during normal Boost to EGR mode transitions
• Analyzing Log files to determine failure mode

• Aftertreatment System
• Description of operation
• Component review/description
• Lamp/Indicator review/description
• Regen Strategy
• Regen Process
  • Log file review of an over road regen
  • Log file review of a parked regen
• Regen related issues
  • Temperature control concerns
  • Fuel pressure related concerns
  • DPF pressure related concerns

• Fuel System
• Description of Operation
• Component review/description
• Review of flow diagram
• Fuel System Tools
• Fuel System Pressures
  • Normal
  • Various failure modes
• Using the air pressure testing tools
• Review all fuel system DDDL parameters
• Review DDDL fuel system panels
  • Leakage Panel
  • Quantity Control Valve
  • PLV Counter
• Various AVI files using the leakage panel
• Symptom based diagnostics
  • Crank no start
  • Long crank times

• Electronics
• Schematic Review
  • MCM
  • CPC
  • ATD
• Sensor Review & Exercises
• Vehicle Electronics (Cascadia Chassis)
  • CPC Locations
  • MCM Locations
  • SAM Modules
  • Engine Starting
  • Mega Fuse Junction Block
  • Ground Wire Return System

• Mechanical Trouble Shooting
  • Camshaft Timing Issues
  • Fan Control Issues