Vehicle Speed Sensor

Remove combination meter from instrument panel. Using ohmmeter, check continuity between ground screw and VSS screw while rotating speedometer cable shaft with a screwdriver. SeeFig 1 -Fig 2 .
Ohmmeter reading should fluctuate from no continuity to continuity 4 times per revolution of speedometer cable shaft. Replace vehicle speed sensor if defective.

Fig 1: Testing Vehicle Speed Sensor, 3-Speed A/T, M/T & 4-Speed A/T Built In Canada

Courtesy of SUZUKI OF AMERICA CORP.

Fig 2: Testing Vehicle Speed Sensor, 4-Speed A/T Built In Japan

Courtesy of SUZUKI OF AMERICA CORP.