Drive-by-wire control (+) signal

Fig 1: Drive-By-Wire Control Positive Signal Voltage Graph

Courtesy of MAZDA MOTORS CORP.

PCM terminals 

• 1 CG(+)-body ground(-)

Oscilloscope setting 

• 5 V/DIV (Y), 1 ms/DIV (X), DC range

Vehicle condition 

• Idle after warm up