Vehicle Speed Sensor (VSS): MPV
WARNING: This page is about a different car, the 2001 Mazda Protege, 2001 Mazda Millenia, 2001 Mazda MX-5 Miata, 2001 Mazda MPV, and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
VSS is located on side of transaxle. Disconnect VSS connector. Remove VSS. Rotate gear and measure voltage (using analog voltmeter) between sensor terminals. See Figure . If voltmeter needle does not fluctuate, replace sensor.