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Home >> Infiniti >> 2013 >> FX37 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0198 >> DTC P0197, P0198: EOT Sensor >> Component Inspection
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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 below.
      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: Engine Oil Temperature Sensor Resistance Graph
      G09000870Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace engine oil temperature sensor. Refer to "2WD: DISASSEMBLY AND ASSEMBLY " (2WD models), or "AWD: DISASSEMBLY AND ASSEMBLY " (AWD models).

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