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MPV LX
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Repair and Diagnosis (Single Page)
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Brakes
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Anti-Lock/Traction Control System
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Abs HU/Cm Inspection
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Inspection Using An Oscilloscope (Reference) Wheel Speed
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Vehicle Speed Output
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
Courtesy of MAZDA MOTORS CORP.
Courtesy of MAZDA MOTORS CORP.