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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0460 Through P1217 >> DTC P1217: Engine Over Temperature >> Component Function Check
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Component Function Check

  1. PERFORM COMPONENT FUNCTION CHECK-I 
    WARNING: Never remove the radiator cap when the engine is hot. Serious burns could be caused by high pressure fluid escaping from the radiator.
    Wrap a thick cloth around cap. Carefully remove the cap by turning it a quarter turn to allow built-up pressure to escape. Then turn the cap all the way off.

    Check the coolant level in the reservoir tank and radiator.

    Fig 1: Identifying Coolant Level\
    G08649263Courtesy of NISSAN NORTH AMERICA, INC.

    Allow engine to cool before checking coolant level. 

    Is the coolant level in the reservoir tank and/or radiator below the proper range? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: GO TO 2.

  2. PERFORM COMPONENT FUNCTION CHECK-II 

    Confirm whether customer filled the coolant or not.

    Did customer fill the coolant? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: GO TO 3.

  3. PERFORM COMPONENT FUNCTION CHECK-III 

    With CONSULT 

    1. Turn ignition switch ON.
    2. Perform "FAN DUTY CONTROL" in "ACTIVE TEST" mode with CONSULT.
    3. Make sure that cooling fan speed varies according to the percentage.

      Without CONSULT 

      Perform IPDM E/R auto active test and check cooling fan motors operation, refer to "DIAGNOSIS DESCRIPTION ".

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".