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Generator field coil control signal

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

PCM terminals

1BE(+)-body ground(-)

Oscilloscope setting

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

Vehicle condition

Idle after warm up

Fig 1: Display - Generator Field Coil Control Signal Waveform
Courtesy of MAZDA MOTORS CORP.