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Coolant Temperature Sensor

  1. Disconnect Coolant Temperature Sensor (CTS) connector. Connect ohmmeter leads between CTS terminals.
  2. Ohmmeter should read as specified. See COOLANT TEMPERATURE SENSOR RESISTANCE  table.
COOLANT TEMPERATURE SENSOR RESISTANCE

Temperature °F (°C) Ohms
32 (0) 7300
68 (20) 2800
104 (40) 1200
176 (80) 300
212 (100) 150