April 5, 2026: LEMON Manuals is launched! Read the announcement.

Vehicle Speed Output

ABS HU/CM terminal: Q (+) - AA (-)
Oscilloscope setting: 2 V/DIV (Y), 25 ms/DIV (X)
Vehicle condition: Driving 25 km/h [15.5 MPH]

NOTE: As vehicle speed increases, period of wave will shortens.

Fig 1: Vehicle Speed Output Wave Pattern

G01196987

Courtesy of MAZDA MOTORS CORP.