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ASE 101 Test Tips

Welcome to ASE 101 Test Tips! These series of videos have been designed to help you sharpen your skills before taking your ASE certification exam. These test tips will cover ASE A1 through ASE A8.

Check back regularly for new updates. You will get a close look at automotive systems and hear explanations and see demonstrations that will help you when it comes to taking your ASE certification test. 


February Featured Course Now Available:

LBT-474 Ford Diagnostic Stratgies

This comprehensive program delves into advanced diagnostic strategies, utilizing cutting-edge tools such as Ford’s factory J2534 diagnostic software (FJDS) and the powerful pico scope movie feature. Throughout the course, participants will gain a deep understanding of diagnostic strategies tailored to Ford vehicles, providing a solid foundation for troubleshooting complex issues. The curriculum explores Engine Modes of Operation, shedding light on the intricacies of various modes and their impact on diagnostics. Participants will also master the Tip-In Strategy, honing their ability to identify and resolve issues related to this critical aspect of engine performance. Join us and elevate your diagnostic expertise to new heights with “Ford Diagnostic Strategies”.

Topics Covered:

  • FDRS Scan Tool
  • OBD Modes Of Operation
  • Critical Sensors
  • Engine Integrity
  • Fuel Systems
  • And More!

January Featured Course Now Available:

LBT-471 Electrical Anomalies

This course, “ Electrical Anomalies,” is a look at EV/HEV/PHEV anomalies; electrical issues that deviate from what is normal and expected.  The purpose of this program is to give professional technicians technical explanations on various electrical anomalies they may encounter on HEV, PHEV, and BEV vehicles. You will see some of the unique challenges related to troubleshooting modern electric and hybrid vehicle voltage systems. This course examines electrical systems and some of the mysteries behind HV connections, leakage, and the HV system main contactor relays. This course also covers overlooked essential subjects such as motor current draw, A/C circuits, ohmmeter false positives in parasitic drains, measuring interlock relay outputs, and trouble codes associated with common problems.


  • High Voltage Interlock Circuits (HVIL)
  • Diagnosing HV System Interlock Circuits (P0A0D)
  • HVIL Circuits – Vary with OEMs / Models
  • Live-Dead-Live High Voltage Verifications (Jeep 4XE)
  • 2021 Jeep Wrangler Limited “4XE” Power Down & Test
  • BMW I-3 HV Power Down Low Voltage Plug

December Featured Course Now Available:

LBT-468 Dodge Cummins Diesel 6.7L Update

Learn about what’s new with 6.7 Cummins engines as of 2019. This course will cover key areas that were changed, and what makes diagnosing and servicing them different along with the performance and durability improvements provided by these changes. We will also take a deep dive into the fuel systems and what to watch out for concerning high-pressure pump and injector failures. This course will also cover valvetrain, emissions systems, and turbocharger concerns.


  • 6.7 Engine Specifications
  • 2019 Upgrades
  • Asphaltenes
  • Fuel Filter Replacement and Priming Procedures
  • CP3 and CP4
  • Reading Scan Data
  • Injector Testing
  • And More

November Featured Course Now Available:

LBT-467 Modern Lighting

Headlights have been a part of automobiles back to the beginning when lanterns were used as headlights. Headlights serve one main purpose which is to illuminate the road. Headlight bulbs have evolved from simple filaments to complex HID, LED, and laser designs. Headlights must provide enough light at highway speeds to ensure the safety of the driver but at the same time cannot blind oncoming traffic. Nanotechnology has led to LED micromirror designs that were not possible in the earlier years of the automobile. This course will explore new headlight designs, and break down the differences between Candelas, lumens, watts, Kelvin, and pixels. This course covers generic headlight aiming procedures and DOT regulations. We have also included a section on headlight control systems which illustrates the complex design used in late model vehicles.


  • Modern Lighting Overview
  • Modern Lighting/Adaptive Headlights
  • Modern Lighting Testing
  • Modern Lighting Controls
  • Aiming Headlights
  • Diagnostics

October Featured Course Now Available:

LBT-464 Alignment Angles

In its most basic form, a wheel alignment consists of adjusting the angles of the wheels so that they are perpendicular to the ground and parallel to each other. The purpose of these adjustments is maximum tire life and a vehicle that tracks straight and true when driving along a straight and level road.  This course covers important steps used to perform different alignment on a variety of vehicles.

Topics Covered Include:

  • Vehicle handling
  • Alignment equipment
  • Caster, camber, toe, and thrust angle
  • Additional alignment factors
  • Locker installation

September Featured Course Now Available:

LBT-460 Engine Management: The Chrysler Way

Chrysler engine management tends to be different than other manufacturers in many way. There are some misconceptions technicians often have that slow the diagnostic process. What you may have heard about Chrysler engine management and what’s really going on can be quite different. This course will features hands-on testing techniques to help fix Chrysler vehicles right the first time!

Topics Covered Include:

  • Changes in modern Chrysler Engine Control Systems
  • Speed Density Review
  • Narrow and Wide-Band O2 Sensors
  • Fuel Trim / Adaptives
  • Misfire Monitor and Adaptive Numerator
  • Fuel Pump Control Modules

August Featured Course Now Available:

LBT-459 Scope Speed Testing

Automakers continuously evolve vehicle communications, electronics, and system integration at increasing speeds. Your scan tool may or may not provide codes relevant to the actual root of your problem and some signals are just too fast. This is why you must go beyond the codes and capture real-time data and waveforms to accomplish your repair. Lab scope diagnostics and testing is the ultimate level-up in a technician’s career, especially on those hard-to-fix or hidden faults not limited to electrical but mechanical as well!

Topics Covered Include:

  • Attributes & Features to Look for in a Lab Scope
  • Probes & Accessories
  • Find your Target Pattern
  • Rotating Assembly Analysis
  • Amperage Ramp Analysis
  • Intermittent Scope Capture

LBT-458 Hybrid and EV Tools

This course examines the proper use and inspection of personal protective equipment, including electrical safety gloves.  In addition to presenting each tool, Hybrid and EV Tools gives specific application demonstrations for each tool with real world scenario diagnostic tests.    Each tool is demonstrated in an application relating to Electric and Hybrid vehicles and how you can use your tools to be safe, efficient and fix the cars correctly.


After completing this class, the viewer will 

Describe the use of the following tools:

    • Milli-Ohm Meter
    • Insulation Resistance Tester (Mega-Ohm Meter)
    • Cat III 1,000V DVOM
    • Pole Voltage Fluke Proving Unit 
    • 2-Pole Voltage & Continuity Tester
    • Fluke 1503 Insulation Tester
  • Identify safety labeling on HV gloves
  • Compare the differences between electrical equipment categories
  • Perform tests using test equipment needed
  • Safely and accurately diagnose Hybrid and EV

LBT-456 NOx NOx, Who's There? Controlling NOx and Hydrocarbons

This Emission Systems course will provide students with a comprehensive understanding of the operation and control of systems used to help control tailpipe emissions.  The regulation of NOx formation has led to a variety of methods for improving tailpipe emissions.  How the EGR system lowers NOx production as well as EGR system monitoring, control and cooling will be discussed.  We will examine the use of variable cam timing to eliminate the need for an EGR valve and how cam overlap is controlled and monitored to lower NOx.  Also covered will be the purpose and operation of the PCV system through both natural aspiration as well as forced induction.


After completing this class, you will be able to:

  • Describe the EGR effect used to lower NOx.
  • Apply the EGR command, operation and cooling.
  • Locate, identify and discuss VCT used to cause EGR function.
  • Apply Intake/Exhaust phasing effect on emissions.
  • Discuss Cam phasing control and monitoring.
  • Define PCV purpose and operation.
  • Discuss PCV control through natural aspiration/forced induction.

LBT-455 Bad Connections PHEV and BEV J1772 EVSE Diagnostics

Your customer says their plug-in hybrid (PHEV) or electric vehicle (EV) "Doesn't always take a charge.  Do I need a new cable?"  You might ask yourself, "is it their charge cable, the vehicle charge (J1772) plug, or something else?"

The future of plug-in vehicle problems is now!  IN addition to performing diagnostics on the vehicle, today’s skilled technician must be prepared for the new world of Electric Vehicle Supply Equipment.  Power supply and connection  problems that may be on or off the vehicle are presented in this  compelling AVI program brought to you by Delphi Technologies instructor Dave Hobbs. There’s a lot more to plug in and electric vehicles than what’s on the car.  Find out more in Bad Connections for P H E V and E V and join the expanding world of EV service.


After completing this course, you will be able to:

  • Identify and discuss electrified vehicle components
  • Apply correct safety procedures during electrified vehicle service
  • Identify proper tools required for electrified vehicle service
  • Improve understanding of J1772 and other related systems on PHEVs and BEVs
  • Describe the role AC power in PHEV and BEVs
  • Diagnose EVSE (Electric Vehicle Supply Equipment)
  • List service tips for PHEV and BEVs

LBT-454 Undercover Hybrid No-Starts

Your customer says "My Jeep won't start.  Do you think it's my hybrid battery?"  You might ask yourself . . . "did they really say hybrid battery?  Is their Jeep even a hybrid? Did they really mean their 12-volt battery?"  

 More vehicles are becoming electrified with technologies that are vastly different from the traditional Toyota Prius or Honda Insight you may be familiar with.  Get updated on the latest in hybrid and plug in hybrid vehicle technologies and no-start diagnostics by completing this AVI program brought to you by Delphi Technologies instructor Dave Hobbs.  


After completing this course you will be able to:

  • Review traditional hybrid components
  • Apply case study situations to gain knowledge of common no start problems
  • Reduce misdiagnosis due to meter quirks / operator errors
  • Reduce potential for meter / scope damage during diagnostics
  • Encourage common sense and observation skills on troubleshooting PHEV starting problems
  • Perform correct power down procedures on modern PHEV/BEVs
  • Identify changes HEV and PHEV motor arrangements