Vehicle Speedometer Sensor Inspection

WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.

Remove the vehicle speedometer sensor.
Measure voltage between terminals of the vehicle speedometer sensor while the gear is turning.

Fig 1: Inspecting Vehicle Speedometer Sensor Chart
Courtesy of MAZDA MOTORS CORP.

Fig 2: Measuring Vehicle Speedometer Sensor Voltage
Courtesy of MAZDA MOTORS CORP.
Install the vehicle speedometer sensor. See VEHICLE SPEEDOMETER SENSOR REMOVAL/INSTALLATION .