Accelerator pedal is depressed

PCM terminals 

• 1AL(+)-2AA(-)

Oscilloscope setting 

• 2.5 V/DIV (Y), 2 ms/DIV (X), DC range

Vehicle condition 

• Ignition switch is turned to the ON position, (engine off)

Fig 1: Accelerator Pedal Is Depressed Signal Pattern

Courtesy of MAZDA MOTORS CORP.