Vehicle Speed Sensor: RIO

VSS is mounted on rear of transmission at top of transaxle. Raise and support vehicle. Block one drive wheel. Turn ignition on. Backprobe and measure voltage between VSS connector terminal No. 3 (Green/Red) wire and ground while assistant spins free drive wheel. Voltage should toggle between 1-10 volts as wheel is rotated. If voltage does not toggle as specified, replace VSS.