Electrical

  • With vehicles becoming more and more complex, we need to have the proper training, tools, equipment and a logical diagnostic game plan.
  • Cooling systems! Could there be a more boring topic? That is exactly what I would be thinking if I were reading this article right now, but I would be wrong. Hybrid and electric vehicle cooling systems are anything but boring. They will challenge you, frustrate you and make you yearn for the good old days before all of this started. Unless you have had no internet access, you have probably read th
    John Kelly
  • When was the last time you checked ignition timing? The lack of timing marks on modern engines doesn't mean that timing can't change!
    searchautoparts
  • Own an IDS Ford scan tool? Learn how to get the most out of this popular platform!
  • It is important to check a wiring diagram in order to understand how the scan tool will interface with the vehicle under test.
  • Learning how to test and service the HV battery is becoming as important as knowing how to test 12v systems
    John Kelly
  • Often our toolboxes are littered with tools that haven't seen the light of day in months. That's not true for my DSO!
    Eric Obrachta
  • As described by a written note left in their vehicle, the symptoms included “drives rough — jumpy — all the time, worse when wet.” They went on to describe them further by writing “does sometimes cut out when stopped. Not running on all cylinders. Spark plugs replaced 2 months ago — problem is worse.”
  • Do you rely on a seat-of-the-pants approach when troubleshooting noise, vibration and harshness (NVH) complaints?  Try using your scope instead!
  • Many OEMs are still using the MAF (Mass Airflow) sensor as their primary means of measuring the air entering the engine. Knowing how it does its job makes it easier to know when it isn’t doing its job.
  • The Prius is the leader in hybrid sales, and its design was revolutionary.
    John Kelly
  • In Part 11 of this series on ground circuits, we look at measuring ground side voltage.
    Ground Circuits
  • Have you ever heard the saying "Fool me once, shame on you. Fool me twice, shame on me?" or "Sometimes I'm my own worst enemy?" I had reason recently to have to use each saying while working on a 2004 Cadillac CTS (DM).
  • Connected cars are an integral part of our digital lifestyle, but is the data they generate secure?
    Tracy Martin
  • In Part 10 of this series on ground circuits, we look at establishing a good DMM ground.
    Ground Circuits
  • Refrigerant levels aren’t the only specification that is dropping. Lubricating oil specs are also on the decline, with several models using less than two ounces.
    Pete Meier
  • Here are a few examples and solutions to common and uncommon problems  to make diagnosis as straightforward as problem-free as possible.
    Motor Age Magazine
  • What do you do when there is no As Built data published for the vehicle? Jaime Lazarus leads you through this reprogramming nightmare and shares his successful conclusion.
  • This Ford pickup had been around from shop to shop, even making appearances at a local dealership. The initial complaint seemed simple enough: no start, no communication and no odometer. Then why did the dealer technician toss his hands up in surrender after a month and a half without a solution? It's all about a testing method we've preached about before - voltage drop!
  • It’s time to introduce your customers to absorbent glass mat (AGM) batteries. These advanced lead acid batteries feature an absorbent glass mat separator, which helps this type of product offer better performance than other lead acid batteries.
    Jason Searl