Detroit Diesel--DD15 Engine Diagnostics (CEP02)
The Detroit Diesel DD15 Engine Diagnostics class goes for 5 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:
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Product Intro-Introduction
Product Intro-Fuel
Product Intro-Cooling
Product Intro-Air
Product Intro-Lubrication
Product Intro-Tune-Up
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DDEC IV
DDEC Reports
2007 Aftertreatment
2007 Basic Diagnostics
DD15 Major Repair ILT Class
DD15 Maintenance
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**You must attend the DD15 Major Repair class and complete the DD15 Workbook prior to attending the DD15 Engine Diagnostics class.
***It is STRONGLY RECOMMENDED (but not required) that technicians working toward their DD15 certification attend the 2007 Product Update (ILT) class and complete the MBE Electronics web-based module prior to attending the DD15 Instructor-led classes.
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
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- 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
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- 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
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- Electronics
- Schematic Review
- 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
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