Scanner Guide: How to Read Live Engine Data on a YOUCANIC Scanner

Has that pesky check engine light come on again? While scanning for fault codes can be a great place to start, reading your engine’s live data might help you determine which system is faulty! Before spending hundreds or thousands at the dealership, use a YOUCANIC full-system scanner and try to fix the issue yourself!

This guide will walk you through how to read and record live engine data for the first time. These steps can be followed if you also need to read live data from another system in your car. Do you need a little extra help? Contact our tech team at support@youcanic.com.

Are you more of a visual learner? Follow along using our video guide!

NOTE:  The scanner used to create this guide was YOUCANIC’s latest model, the UCAN-II-C Pro. These steps will still work if you own an older UCAN-II  scanner  or a heavy-duty truck scanner.

Step-by-step guide

1. Plug your VCI dongle into your vehicle’s OBD-II port. If you aren’t sure where it is, you can look it up in your vehicle’s user manual or try to find the location online.

2. On your scanner, go to the Diagnostic page, and find your vehicle make. Alternatively, you can have the scanner automatically read your vehicle’s VIN or manually enter the VIN.

3. Select Diagnosis , Control Modules , then Engine , and all available engine tests will appear.

4. Select Live Data , and a list of available tests will appear. You can select all available options, or scroll and select specific engine tests. Once you have made your selection, press OK .

5. Now, you can monitor live data in your ECU. You can view selected information in both text and graphical forms.

6. In graph mode, you can view up to four datasets at a time. Toggle to different datasets using the buttons at the bottom of the screen.

7. Using the…