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Home >> Infiniti >> 2008 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P1148 To P2A03 >> DTC P1217: Engine Over Temperature >> Overall Function Check >> With GST
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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 "DIAGNOSIS PROCEDURE ".

  2. Confirm whether customer filled the coolant or not. If customer filled the coolant, skip the following steps and go to "DIAGNOSIS PROCEDURE ".
  3. Disconnect engine coolant temperature sensor harness connector.
  4. Connect 150Ω resistor to engine coolant temperature sensor harness connector.
    Fig 1: Identifying Coolant Level In Reservoir Tank
    G05739598Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Start engine and make sure that cooling fan operates.
    CAUTION: Be careful not to overheat engine.
  6. If NG, go to "DIAGNOSIS PROCEDURE ".
    Fig 2: Connecting 150 Resistor To Engine Coolant Temperature Sensor Harness Connector
    G05739599Courtesy of NISSAN MOTOR CO., U.S.A.
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