Vehicle Speed Sensor (VSS)

Disconnect negative battery cable. Remove instrument cluster. Connect ohmmeter between RSW and GND terminals on back of instrument cluster. Insert screwdriver into speedometer cable connector. Rotate screwdriver. See Fig 1 , Fig 2 or Fig 3 .
Ohmmeter reading should alternate between zero and infinity 4 times for each revolution of speedometer cable. Replace speedometer if VSS does not test as described.

Fig 1: Testing Vehicle Speed Sensor (VSS) (Samurai)

Courtesy of SUZUKI OF AMERICA CORP.

Fig 2: Testing Vehicle Speed Sensor (VSS) (Sidekick)

Courtesy of SUZUKI OF AMERICA CORP.

Fig 3: Testing Vehicle Speed Sensor (VSS) (Swift)

Courtesy of SUZUKI OF AMERICA CORP.