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2002
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MPV ES
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Repair and Diagnosis
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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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Torque Down Request
Torque Down Request
ABS HU/CM terminal: R (+) - AA (-).
Oscilloscope setting: 1 V/DIV (Y), 5 ms/DIV (X).
Vehicle condition: Idle after warm-up (Engine speed at approximately 650 RPM).
Fig 1: Torque Down Request Wave Pattern
Courtesy of MAZDA MOTORS CORP.