JASO D014-4 is an automotive industry standard that specifies environmental conditions and testing for electrical and electronic equipment, specifically focusing on climatic loads . This standard is the Japanese equivalent to ISO 16750-4 公益社団法人自動車技術会 Understanding JASO D014-4
To appreciate the JASO D0144 PDF, it helps to compare it to the Western equivalent, ASTM D1121.
Specifies ambient temperature, relative humidity, and atmospheric pressure for baseline testing.