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Home › Nissan-Datsun › 2006 › Sentra Base, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTCS P0850 To P2A00 (QG18DE) › 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. Set temperature control lever to full cold position.
  5. Turn air conditioner switch ON.
  6. Turn blower fan switch ON.
  7. Run engine at idle for a few minutes with air conditioner operating.

    Be careful not to overheat engine  .

  8. Make sure that cooling fan operates at low speed.

    If NG, go to "DIAGNOSTIC PROCEDURE ".

    If OK, go to the following step.

    9. Fig 1: Checking Cooling Fan
    G04191317Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Turn ignition switch OFF.
  10. Turn air conditioner switch and blower fan switch OFF.
  11. Disconnect engine coolant temperature sensor harness connector.
  12. Connect 150Ω resistor to engine coolant temperature sensor harness connector.
  13. Restart engine and make sure that cooling fan operates at higher speed than low speed.

    Be careful not to overheat engine  .

    14. Fig 2: Checking Cooling Fan Operates At Higher Speed Than Low Speed
    G04191318Courtesy of NISSAN MOTOR CO., U.S.A.
  14. If NG, go to "DIAGNOSTIC PROCEDURE ".
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