FixVault

Coolant Temperature Sensor

  1. Remove coolant temperature sensor. Sensor is located near thermostat housing (2-wire connector). Place end of sensor in water, with terminal connector portion of sensor slightly above water.
  2. Gradually heat water, and read resistance values across terminal connectors. See COOLANT TEMPERATURE SENSOR RESISTANCE  table. If resistance is not within specification, replace sensor.
    COOLANT TEMPERATURE SENSOR RESISTANCE

    Temperature °F (°C) Ohms
    2.4L
    32 (0) 5900
    68 (20) 2500
    104 (40) 2700
    176 (80) 300
    3.0L
    32 (0) 5800
    68 (20) 2400
    104 (40) 1100
    176 (80) 300