Engine oil control signal

Courtesy of MAZDA MOTORS CORP.

PCM terminals 

• 1CK (+)-body ground (-)

Oscilloscope setting 

• 5 V/DIV (Y), 1 ms/DIV (X), DC range

Vehicle condition 

• Idle after warm up

EGR valve (-) 

Courtesy of MAZDA MOTORS CORP.

PCM terminals 

• 1CN (+)-body ground (-)

Oscilloscope setting 

• 5 V/DIV (Y), 400 us//DIV (X), DC range

Vehicle condition 

• Idle (after warm up)