Scan listener startup fails after 12.1 GI July 2016 PSU installed
SCAN Listener or local listener will fail to start after applying July 2016 Grid Infrastructure PSU. The symptom of failed to start SCAN listener resource happens when the environments upgraded from 11.2 before. SCAN listener resource won't fail to start if the environment was first installed as 12.1.
refer the below note for the above issue.
SCAN Listener or local listener fails to start after applying Patch 23273629 - Oracle Grid Infrastructure Patch Set Update 12.1.0.2.160719 (Jul2016) (Doc ID 2166451.1)
Thanks,
Pavan.G