Purge control

Fig 1: Purge Control Signal Waveform

Courtesy of MAZDA MOTORS CORP.

PCM terminals 

• 1AX(+)-body ground(-)

Oscilloscope setting 

• 5 V/DIV (Y), 100 ms/DIV (X), DC range

Vehicle condition 

• Purge solenoid valve control duty value: 30%