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Vehicle Speed Sensor

WARNING: This page is about a different car, the 2002 Mazda Millenia and 2001 Mazda Millenia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect negative battery cable. Disconnect vehicle speed sensor connector. Remove vehicle speed sensor. Measure voltage between sensor terminals while rotating driven gear. See Fig 1.
  2. Voltage reading should fluctuate about 5 volts. If voltmeter reading does not fluctuate as specified, replace sensor. If voltmeter reading fluctuates as specified, sensor is okay.
Fig 1: Checking Vehicle Speed Sensor
G96C19168Courtesy of MAZDA MOTORS CORP.