Automotive Newsletter March 2021

March 2021

Version 7.0.68 of PicoScope 7 Automotive beta has been released and Steve has written a case study about a Honda Civic that suddenly would not start. We also have a new PicoScope video.

In other news, we have three new WPS500X videos for you to enjoy, Ben has written an article about Resolvers and we have an update about the progress of PicoScope 7. Steve and Ben have a series of short case studies on the forum, called One waveform One picture, and we are also sharing a forum post about a new way to use the TA473 current clamp. Our best of the web section has two new videos.

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PicoScope 7 Automotive update

Check out this PicoScope 7 Automotive progress update.

This latest versions of the PicoScope 7 beta ( 7.0.68) has added new features to enhance the user experience. Steve has written about all the individual features and how to use them in this forum post.

Honda Civic
Engine rattle at idle speed

Steve has finally concluded a case he has been working on over the past 18 months. A Honda Civic in a no-start condition was recovered to the garage. When started, it ran unevenly with a rattling sound, a sulfur smell, and no free-rev >2100 rpm.

Video - Cam and crank synchronization

Gif from the video showing Phil Rutt demonstating the connections.

Gif from the video showing Romano annotating the waveform

How to confirm a shorted ignition

By Romano's Automotive

This vehicle was running rough with a single cylinder misfire. Using a scope to confirm a shorted ignition coil is useful when coils and plugs are hard to reach.

Go to video

Gif from video where Steve shows off the current clmap and connector.

Pressure pulse diagnosis

By Simply Diagnostics

Steve is showing how to use a scope to do pressure pulse analysis on a vehicle to determine if you need more invasive testing.

Go to video

In other news

Three NEW WPS500X videos

We have released three NEW WPS500X videos. This time we cover testing of turbocharger operation, intake manifold pressure and oil pressure.

Go to playlist

Image of 2 scopes connected to resolver, one with common ground and the 4425A with floating inputs on each channel.

Resolvers unwrapped

Ben has written about testing resolver sensors. Resolver-issues can cause several knock-on effects that trigger additional fault codes unrelated to the resolver. Testing them correctly is a must.

Screenshot of the A to Z tile on the library page on picoauto.com.

Did you know that we have an A to Z of PicoScope on the website? This is a library of entries for the different hardware and software features in Pico Auto and we are making some updates. If you haven't visited this page before, or if it has been a while since you checked in, why not take a look and see if these entries can make it even easier to understand and use the Pico Auto products. Please let us know what additional resources or information would be most helpful to you so that we can make further improvements.

Thumbnail from video about the new measurement to take with the current clamp

TA473 60A BNC+ Current Clamp

Ben has put together a very short video showing a technique he has been looking into. It involves connecting a current clamp to the CAN H or CAN L wiring. Find out why and see access the video here.

Image from the latest forum post showing a waveform with a photo of the corresponding faulty component.

One waveform One picture

Steve and Ben have a series on the forum where they add one waveform and one picture. The photo illustrates the mechanical fault with a component captured in the waveform. Here are the latest additions.

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