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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Qr25DE >> 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 ".
  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. 

    Fig 1: Turning Blower Fan Switch On
    G00778217Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Make sure that cooling fan operates at low speed.

    If NG, go to "DIAGNOSTIC PROCEDURE ".

    If OK, go to the following step.

  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. If NG, go to "DIAGNOSTIC PROCEDURE ".
    Fig 2: Connecting Resistor To Engine Coolant Temperature Sensor Harness Connector
    G00778218Courtesy of NISSAN MOTOR CO., U.S.A.