
The function diagram for the ATA datalink includes the following:
• EST with MasterDiagnostics® software
• Electronic Control Module (ECM)
• Injection Driver Module (IDM)
Function
The Data Communication Link signal is a 0 V to 5 V variable width square wave form signal that enables
communication between the MasterDiagnostics® software and the ECM. The data communication link
also allows for programming the ECM and IDM.