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Coolant THERMOSENSOR Test: Notes

  1. Remove thermosensor. Place thermosensor in container of heated coolant with thermometer.
  2. Connect ohmmeter to thermosensor terminals. Note resistance at specified temperatures. See COOLANT THERMOSENSOR RESISTANCE  table. Replace if not within specification.
COOLANT THERMOSENSOR RESISTANCE

Coolant Temperature Ohms
-4°F (-20°C) 14,600-17,800
68°F (20°C) 2300-2700
176°F (80°C) 200-400
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