Diag3000

Diag3000 is a Windows-based maintenance and diagnostics application developed by Rockwell Collins for select avionics line-replaceable units (LRUs). It provides a standardized interface to communicate with supported equipment, run built-in tests, isolate faults, retrieve and export maintenance logs, apply approved configuration changes, and load authorized software updates. Designed for maintenance technicians and engineers, Diag3000 streamlines troubleshooting with guided procedures, clear pass/fail indications, and automated report generation to reduce turnaround time and improve fleet readiness.

Key capabilities include:

• Communication with supported LRUs via approved interface cables and adapters
• Execution of diagnostic and performance tests, including built-in test (BIT) access
• Fault isolation assistance and event/log retrieval for maintenance records
• Configuration management within defined operational parameters
• Secure, authorized software and firmware loading for compatible units

Availability of specific features varies by product. Proper licensing, documentation, and interface hardware are required for use.

Diag3000 is developed by Rockwell Collins. The most popular version of this product among our users is 6.0. The name of the program executable file is Diag2000.exe.