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Home >> Toyota >> 1995 >> Land Cruiser >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Testing >> Code P0500 - Vehicle Speed Sensor Malfunction >> Diagnosis & Repair
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Diagnosis & Repair

  1. Test drive vehicle and check operation of speedometer. If speedometer is not functioning correctly, see the INSTRUMENT PANEL article in the ACCESSORIES/SAFETY EQUIPMENT section. If speedometer is functioning correctly, go to next step.
  2. Access ECM behind right instrument panel speaker. Ensure ignition is off. Disconnect cruise control ECU. Cruise control ECU is located on left side of steering column, behind instrument panel. Connector color is Gray (26-pin).
  3. Shift gear selector to Neutral. Lift and support rear of vehicle. Turn ignition on. Using DVOM, measure voltage between terminal SPD and ground, while rotating rear wheels. See Figure.
  4. As rear wheels are rotated, voltage should pulse between zero and 9-14 volts. If voltage is within specification, replace ECM and retest. If voltage is NOT within specification, inspect SPD circuit between combination meter and ECM. Repair as needed.
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