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Coolant THERMOSENSOR

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

Coolant Temperature Ohms
-4°F (-20°C) 14,580-17,820
68°F (20°C) 2210-2690
176°F (80°C) 288-352