Dave talks Archives - Tomorrows Technician
Wheel Speed Sensor – Bias Voltage Tip Clip

In this tip clip from the Vehicle Stability Control class, instructor Dave Scaler measures the DC bias voltage of a wheel speed sensor and shows you how understanding these sensors will make active wheel speed sensor testing much easier.

A4 Alignment Basics Tire Wear Tip Clip

In this short video clip from the A4 Suspension and Steering class, Delphi instructor Dave Hobbs discusses and shows some basic tips and knowledge to help you better diagnose alignment issues based on tire wear helping you more quickly and accurately use the alignment machine to put everything in spec.

A4 Power Steering Fluid Check & Maintenance Tip Clip

Watch this tip clip excerpt from the A4 Steering and Suspension ASE Test prep course presented by Dave Hobbs. Dave talks about proper testing and maintenance of power steering fluid and related components–showing examples and highlighting the things you should know both as a technician and to pass the ASE A4 certification test.

CAN Data: Class-2 Loop Configuration Tip

Check out this technical tip clip on CAN Data with Dave Hobbs. In this clip Dave talks about Class 2 layouts, specifically the ‘loop configuration’ systems. He breaks down the layout of theses systems in an easy to understand manner and talks about how the modules communicate on this type of system as well as how they are electrically wired.

FRED Kicks the CAN: Chevy Malibu FKTC Tip Clip

In this case study with Dave Hobbs, we learn about the complexities and challenges of diagnostics of data bus systems. Dave talks about a Chevy Malibu he once worked on: it couldn’t start several modules. He talks about how, sometimes, bus issues can be things you would never suspect and how keeping up with learning about these systems and understanding their complexities is necessary if you want to work on cars with these problems.

Hybrid Data PIDS Tech Tip

In this hybrid vehicle tech tip Dave Hobbs talks about an ‘engine stop request code. If you’ve got a hybrid vehicle and you’re not sure– is it doing an idle stop or is it just stalling– because we have still have an internal combustion engine and that means we still have all other kinds of sensors that can cause drivability issues, including intermittent stalling conditions. Thats why Dave talks about the engine stop request PID and how it can keep you from chasing the boogeyman.