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Testing Vehicle Speed Sensor

  1. Vehicle speed sensor is located within speedometer assembly. Using an ohmmeter, check continuity between vehicle speed sensor terminals No. 1 and No. 2. See Fig 1 .
  2. Slowly turn speedometer shaft. Ohmmeter indication should alternate between continuity and open circuit. If vehicle speed sensor is inoperative, replace speedometer assembly.
Fig 1: Testing Vehicle Speed Sensor
G91G02158Courtesy of ISUZU MOTOR CO.