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Home >> Infiniti >> 2006 >> G35 x >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0643 To P2A03 (Sedan) >> 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 "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. Start engine.
    CAUTION: Be careful not to overheat engine.
  4. Turn air conditioner switch ON.
  5. Turn blower fan switch ON.
  6. Make sure that cooling fan operates at low speed.

    If NG, go to "DIAGNOSTIC PROCEDURE .

    If OK, go to the following step.

  7. Turn ignition switch OFF.
  8. Turn air conditioner switch and blower fan switch OFF.
  9. Disconnect engine coolant temperature sensor harness connector.
  10. Connect 150O resistor to engine coolant temperature sensor harness connector.
    Fig 2: Identifying Cooling Fan Operation
    G04120140Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Restart engine and make sure that cooling fan operates at higher speed than low speed.
    CAUTION: Be careful not to overheat engine.
  12. If NG, go to "DIAGNOSTIC PROCEDURE .
    Fig 3: Identifying 150O Resistor To Engine Coolant Temperature Sensor Harness Connector
    G04120141Courtesy of NISSAN MOTOR CO., U.S.A.
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