Vehicle speedometer sensor signal

WARNING: This page is about a different car, the 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

TCM terminal: 1M (+)-1V (-)
Oscilloscope setting: 4 V/DIV (Y) 1 ms/DIV (X)
Measuring condition: Vehicle speed at 40 km/h {25 mph}

Fig 1: Vehicle Speedometer Sensor Signal Oscilloscope Graph
Courtesy of MAZDA MOTORS CORP.