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Home › Infiniti › 2011 › M37 Base › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTCS P0137 To P0456 › DTC P0197, P0198: EOT Sensor › Component Inspection

Component Inspection

  1. CHECK ENGINE OIL TEMPERATURE SENSOR
    1. Turn ignition switch OFF.
    2. Disconnect engine oil temperature sensor harness connector.
    3. Remove engine oil temperature sensor.
    4. Check resistance between engine oil temperature sensor terminals by heating with hot water as shown in the figure.
      RESISTANCE REFERENCE

      Terminals Condition Resistance (kΩ)
      1 and 2 Temperature °C (°F)] 20 (68) 2.1 - 2.9
      50 (122) 0.68 - 1.00
      90 (194) 0.236 - 0.260
      Fig 1: Checking Engine Coolant Temperature Sensor
      G04886485Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace engine oil temperature sensor.

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