Electrical Circuit Diagnostics
Your diagnostic approach needs to be well thought out, and it starts with your equipment.

What to do When Your Scan Tool Doesn’t Work
Getting an error message on your scan tool? Here are some tips to help you out.

ECM Damage
Engineers have devised two strategies that can be called the “immune system” for the electrical system.

Compressor Oil for R1234yf
Working on R-1234yf systems is not that different from the R-134a variety.

Fuel Pumps and Cranking
Diagnosing the problem comes down to understanding what causes a loss of fuel pressure.

Ignition Coil Output
To see inductance inside the primary windings, use an amp probe placed around the positive wire for the ignition coil.

Nissan Key Will Not Start
Nissan keys use radio frequencies (RF) similar to other everyday wireless devices.

Can You Diagnose a TPMS Radio Wave?
There are a couple of approaches and tools you can use to diagnose a TPMS radio wave.

Programming Options
Let’s help keep the code secure and your sanity intact.

CAN Bus Communications
There are three types of bus configurations that you will come in contact with — loop, star and a hybrid of both.

Key Programming
Three situations might require key programming capabilities at your shop.

Streamlining the Diagnostic Process
Why is it that one technician can take 20 minutes to diagnose a car and another may take a week?
