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Coolant THERMOSENSOR

  1. Remove coolant thermosensor from water pump. Place switch in water with a thermometer. Heat water gradually.
  2. Using an ohmmeter, check the resistance between both terminals as the temperature rises. Check resistance using COOLANT THERMOSENSOR  chart. If any abnormalities are found, replace sensor.
COOLANT THERMOSENSOR CHART

Temperature: °F (°C) Resistance: Ohms
-4 (-20) 16,040-16,362
68 (20) 2425-2475
176 (80) 314-324