Generated pulse (reference) Wave pattern

Terminal:
- Position sensor (slide) signal:3J (+) <==> body ground (-)
- Position sensor (tilt) signal:3L (+) <==> body ground (-)
- Position sensor (lift) signal:3N (+) <==> body ground (-)
- Position sensor (reclining) signal:3P (+) <==> body ground (-)
Oscilloscope setting: 2 V/DIV (Y), 10 ms/DIV (X), DC range

Fig 1: Power Seat Control Module Signal Waveform
Courtesy of MAZDA MOTORS CORP.