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Home › Infiniti › 2006 › QX56 RWD › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTCS P0455 To P1217 › DTC P1217 Engine Over Temperature › Overall Function Check › With GST

With GST

  1. Check the coolant level in the reservoir tank and radiator.

    Allow engine to cool before checking coolant level. 

    If the coolant level in the reservoir tank and/or radiator is below the proper range, skip the following steps and go to "DIAGNOSTIC PROCEDURE ".

  2. Confirm whether customer filled the coolant or not. If customer filled the coolant, skip the following steps and go to "DIAGNOSTIC PROCEDURE ".
    Fig 1: Identifying Coolant Level
    G04074236Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Disconnect engine coolant temperature sensor harness connector.
  4. Connect 150Ω resistor to engine coolant temperature sensor harness connector.
  5. Start engine and make sure that cooling fan operates.
    CAUTION: Be careful not to overheat engine.
  6. If NG, go to "DIAGNOSTIC PROCEDURE ".
    Fig 2: Identifying 150Ω Resistor To Engine Coolant Temperature Sensor Connector
    G04133077Courtesy of NISSAN MOTOR CO., U.S.A.
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