V3.2.x / 2.8.x Downloading the MJLJ firmware

Identifying your MJLJ version

The version of firmware you install depends on the board version you have. It is critical you install the correct firmware for your board!

If the incorrect firmware is installed, the MJLJ will not synchronize correctly with the EDIS module and ignition timing errors will occur.

Even though the V3 board has been available for quite some time, many of you are running MJLJ V2.x hardware. Fortunately they are easy to identify.

If you don't recall the version of the board you installed, you can quickly remove the top four cover screws for a quick board inspection.

Download the MJLJ 2.7.x firmware image from the V2.x download area

Download the MJLJ 3.1.x firmware image from the V3.x download area