scope:

This European Standard specifies the interface between an alcohol interlock for aftermarket 101 installation into a vehicle. It details the modes of electrical connections, the assignment of electrical connection lines as well as the information to be exchanged between the vehicle and the alcohol interlock. This European Standard is applicable to alcohol interlocks for drink-driving-offender programmes (as in EN 50436-1) as well as to alcohol interlocks for general preventive use (as in EN 50436-2). This European Standard is mainly directed at manufacturers of alcohol interlocks and at vehicle manufacturers. This European Standard is referenced in EN 50436-7 and provides details of the preferred data bus connection suggested therein.