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MPV ES
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Automatic Transaxle - General
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TCM Inspection
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Inspection Using An Oscilloscope (Reference)
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Vehicle speedometer sensor signal
Vehicle speedometer sensor signal
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: Inspecting Vehicle Speedometer Sensor Signal
Courtesy of MAZDA MOTORS CORP.