JPDiag

Read bike performance data from Magneti Marelli ECU
Dec 13, 2025
Rating:
3.1 on 7 votes
Category:
System Utilities › Device Assistants
Developer:
jpl250r
License:
Freeware
Total downloads:
895 (15 last week)
Operating system:
Windows XP/7/8/10/11
Latest version:
2.8.0.4

Description

Run diagnostics of your bike. Check the readings from the compatible Magneti Marelli ECU and analyze ignition, related performance, possible issues and deviations from the norm, etc. Reset the default code for IAW5AM, IAW5SM, IAW7SM, and other models.

You could have downloaded JPDiag 2.8.0.4 from our software library for free. The JPDiag installer is commonly called JPDiag27c.exe or JPDiag28c.exe etc. This free program is a product of jpl250r. The latest version of JPDiag can be installed on PCs running Windows XP/7/8/10/11, 32-bit. The software lies within System Utilities, more precisely Device Assistants. The most popular versions of the JPDiag are 2.8 and 1.0.

From the developer:

JPDIAG allows you to run a diagnosis on your bike fitted with Magneti Marelli ECU such as IAW5AM, IAW5SM, IAW7SM (Kline version), MIU, etc.

You can use it to check ignition data, to display or reset the stored default code, reset the throttle position sensor (TPS), reset the service interval, and more.

You may want to check out more software, such as MyJAL MediaPAL, CyberPrinter or k700 Remote Profiler, which might be related to JPDiag.

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