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

Metering oil pump control 1

Terminal connected: 2W (+)-Negative battery terminal
Oscilloscope setting: 5 V/DIV (Y): 2 ms/DIV (X), DC range
Measurement condition: Just after the ignition switch is off after warm-up (no load)

Fig 1: Metering Oil Pump Control 1 Graph
Courtesy of MAZDA MOTORS CORP.