July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection Using an Oscilloscope (Reference)

Courtesy of MAZDA MOTORS CORP.

Connection terminal: 1G (+) ↔ body ground (-) 1H (+) ↔ body ground (-) 1I (+) ↔ body ground (-) 1J (+) ↔ body ground (-)
Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range