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Home >> Nissan-Datsun >> 2009 >> Quest Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0153 >> DTC P0116 ECT Sensor >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK GROUND CONNECTIONS
    1. Turn ignition switch OFF.
    2. Loosen and retighten ground screws on the body. Refer to , "GROUND INSPECTION ".
    Fig 1: Identifying Body Ground E24, ECM And Body Ground E9
    G05931435Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 2.

    NG: Repair or replace ground connections.

  2. CHECK ENGINE COOLANT TEMPERATURE SENSOR

    Refer to , "COMPONENT INSPECTION ".

    OK or NG 

    OK: GO TO 3.

    NG: Replace engine coolant temperature sensor.

  3. CHECK INTERMITTENT INCIDENT

    Refer to , "DIAGNOSIS PROCEDURE ".

    INSPECTION END