ENGINE COOLANT TEMPERATURE SENSOR INSPECTION

PROCEDURE

  1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR

    1. A316501E01

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      1 - 2

      -40°C (-40°F)

      73508 to 78016 Ω

      -20°C (-4°F)

      21293 to 22417 Ω

      0°C (32°F)

      7188 to 7515 Ω

      20°C (68°F)

      2758 to 2866 Ω

      40°C (104°F)

      1179 to 1219 Ω

      60°C (140°F)

      552 to 568 Ω

      80°C (176°F)

      280 to 286 Ω

      100°C (212°F)

      151 to 154 Ω

      120°C (248°F)

      86 to 89 Ω
      Table 1. Text in Illustration

      *a

      Component without harness connected

      (Engine Coolant Temperature Sensor)
      Note:

      When checking the engine coolant temperature sensor in water, do not allow water to contact the terminals. After completing the check, dry the engine coolant temperature sensor.

      If the result is not as specified, replace the engine coolant temperature sensor.