Resources
No Crank? Sure, pull the door apart.

In this month’s spotlight, Geoff from Hawaii tells the tale of a Nissan Xterra with a stubborn no crank. After determining the vehicle was not equipped with an anti-theft system and used a metal key, he began troubleshooting the electrical system in the traditional way.

Read More »
Resources
Suprising Misfire Cause

In this month’s spotlight, Ted from Tennessee illustrates the interconnectedness of the electrical system and the importance of not taking anything for granted. In his post, he shows how going back to the start enabled him to resolve a tricky misfire issue. Here’s how Ted

Read More »
Resources
What’s Waking the Modules?

In this month’s spotlight, James from Florida provides a tip related to determining the root cause of parasitic drains resulting from modules awakening while vehicle is off (KOEO). As he points out, if you come back to the vehicle to find multiple modules awake, the

Read More »
Resources
Reducing Noise When Capturing Waveforms

In this month’s spotlight, Chris from New Jersey addresses the issue of “noise” in scope capture. In his post, Chris identified some best practices for choosing where to connect to ground for the captures and how the choices you make can impact whether or not

Read More »
Resources
The Value of Voltage Drop Testing

We visit another common tool in the technician’s arsenal for diagnosing parasitic draws and other electrical maladies: voltage drop testing. In this month’s iATN spotlight, Roger from New York shows how he used voltage drop testing to diagnose a faulty relay after several other diagnostic

Read More »
Resources
Another Approach to Parasitic Draws

This month’s iATN spotlight brings us back to a familiar theme: parasitic draws and the easiest and most effective way to pinpoint their cause. In this post that includes nice images to show the effectiveness of this approach, Roger from Alberta shows how he is

Read More »
Resources
Tampered CAN Networks Can Cause Trouble

This month’s iATN spotlight hits on two common topics we frequently see in technical articles and on iATN: communication network issues causing no-start or intermittent start situations and the tendency for add-on systems to be the source of vehicle electrical or electronic woes. In this

Read More »
Resources
Relay Causing Battery Drain

This month’s iATN spotlight is a great reminder of how the battery’s health and performance are directly tied to the proper operation of the other systems in the vehicle. When one of the other systems has an issue, poor battery performance is often one of

Read More »