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Home >> Infiniti >> 2004 >> G35 x >> Repair and Diagnosis >> Engine Performance >> System >> 2004.5 - Engine Control System - DTCS P1065 To P1289 - Sedan >> 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 ".
  3. Start engine.

    Be careful not to overheat engine  .

  4. Turn air conditioner switch ON.
  5. Turn blower fan switch ON.
    Fig 1: Identifying Coolant Level In Reservoir Tank
    G03325305Courtesy of NISSAN MOTOR CO., U.S.A.
  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 150Ω resistor to engine coolant temperature sensor harness connector.
    Fig 2: Checking Cooling Fan Operation
    G03325306Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Restart engine and make sure that cooling fan operates at higher speed than low speed.

    Be careful not to overheat engine  .

  12. If NG, go to "DIAGNOSTIC PROCEDURE ".
    Fig 3: Checking Cooling Fan Operation
    G03325307Courtesy of NISSAN MOTOR CO., U.S.A.