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Home >> Nissan-Datsun >> 2009 >> Maxima S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0153 >> P0116 ECT Sensor >> Component Inspection
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Component Inspection

  1. CHECK ENGINE COOLANT TEMPERATURE SENSOR
  1. Turn ignition switch OFF.
  2. Disconnect engine coolant temperature sensor harness connector.
  3. Remove engine coolant temperature sensor.
  4. Check resistance between engine coolant temperature sensor terminals as per the following.
TERMINAL RESISTANCE CHART

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
G05869748Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal? 

YES: INSPECTION END

NO: Replace engine coolant temperature sensor.