Generator field coil control signal

Fig 1: Generator Field Coil Control Signal Oscilloscope Graph

Courtesy of MAZDA

PCM terminals 

• 1BE(+)-body ground(-)
• 1BR(+)-body ground(-)

  Oscilloscope setting 

• 1 V/DIV (Y), 2 ms/DIV (X), DC range

  Vehicle condition 

• Idle after warm up