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

Pattern 3

Terminal:
- Door lock-link switch (driver's door): 4U (+) <==> body ground (-)
Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range

Fig 1: Starter Relay Body Ground Generated Pulse (Pattern 3)
Courtesy of MAZDA MOTORS CORP.