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Vehicle Speed Sensor: Turbo

  1. Remove knee protector, steering column covers and meter bezel. Disconnect speedometer cable and electrical harness. Remove instrument cluster. Remove vehicle speed sensor from instrument cluster.
  2. Connect a battery and 3000-10,000 ohm resistor to vehicle speed sensor as shown. See Fig 1. Using an analog voltmeter, measure voltage between sensor terminals No. 2 and 3. Rotate speed sensor input shaft and ensure voltage pulses 4 times per shaft revolution. Replace vehicle speed sensor if voltage does not pulse as specified.
Fig 1: Testing Vehicle Speed Sensor (Turbo)
G92A00745Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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