DIAG4 BIKE Serial Diagnostic System Software AT 531 5090 Professional diagnostic tool for Harley Davidson & Buell workshops and tuning centers. Diagnoses electronic fuel injection module (EFI) and others (Security modules, ABS, etc.) through the diagnostic connector. The system consists of a communication interface with Harley-Davidson adapter, USB cable for connection to your Laptop (PC) and software compatible with Windows XP, Vista, 7, 8 and 10. A wireless Bluetooth version of the interface is also available. An adapter for CAN-BUS models is included. The system performs the following functions and more. Software for Indian and Victory is also available.

• Ignition Module
• EFI (Electronic Fuel Injection Module) - All models
• TSSM (Turn Signal Security Module)..............Key FOB with button
• HFSM (Hands Free Security Module).............Key FOB without button
• BCM (Body Control Module).............Key FOB without button
• Gauges (Speedo, Tach and Instrument Module) - All models
• ABS Module (Delphi + CAN models) - All models
• Radio and Audio all models
• Thunder MAX EFI
• Read and Clear Diagnostic Trouble Codes......................All models
• Read Identification data (part numbers, VIN number)......All models
• Monitoring real-time data (throttle position, temperature, oxygen sensors, turn signals etc.)
• Test actuators (injectors, coils, main relay, fuel pump, idle, turn signals, tachometer, lamps etc.)
• Buell diagnostics are incorporated in Harley-Davidson diagnostics
• Unit of measure selection metric/standard
• Communication interface is CAN ready (models with 6-pin connector)
• Module replacement ?