Fuel injector (FS, RS) control

Terminal connected:
FS: 2G (+)-Negative battery terminal

RS: 2D (+)-Negative battery terminal
Oscilloscope setting: 5 V/DIV (Y): 5 ms/DIV (X), DC range
Measurement condition: Racing after warm-up (no load)

Fig 1: Identifying Fuel Injector (FS, RS) Control Graph
Courtesy of MAZDA MOTORS CORP.