How to Identify Simple Diodes: 7 Steps (with Pictures) - wikiHow
How to test Zener diode volts, simple & easy zener voltage tester - YouTube
How To Test A Diode & Methods Of Diode, LED & Zener Diode Test – All About Engineering
How to Test a Zener Diode
Do you have an idea how to identify this faulty zener diode? It's from automotive PCB and it was marked as "ZD" on PCB. It is damaged (0Ohms in both directions) so