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Vehicle Speed Sensor

  1. Vehicle speed sensor is located on transmission/transaxle and contains a 3-wire connector. Connect voltmeter and battery voltage to vehicle speed sensor terminals. See Fig 1 and Fig 2.
  2. While rotating vehicle speed sensor shaft, ensure voltage changes from zero to at least 11 volts. Voltage should change 4 times per revolution of the shaft. Replace vehicle speed sensor if voltage does not change as specified.
Fig 1: Testing Vehicle Speed Sensor (A/T)
G93C79899Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Vehicle Speed Sensor (M/T)
G93F79900Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002