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Diagnosis Procedure: Notes

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK COOLING FAN (CRANKSHAFT DRIVEN) OPERATION 
    1. Start engine and let it idle.
    2. Make sure that cooling fan (crankshaft driven) operates normally.

      OK or NG 

      OK (With CONSULT): GO TO 2.

      OK (Without CONSULT): GO TO  3.

      NG: Check cooling fan (crankshaft driven). Refer to "REMOVAL AND INSTALLATION (CRANKSHAFT DRIVEN TYPE) ".

  2. CHECK COOLING FAN MOTOR OPERATION 

    With CONSULT 

    1. Start engine and let it idle.
    2. Select "COOLING FAN" in "ACTIVE TEST" mode with CONSULT.
    3. Make sure that cooling fan operates.

      OK or NG 

      OK: INSPECTION END 

      NG: Check cooling fan control circuit. (Proceed to "PROCEDURE A ".)

  3. CHECK COOLING FAN MOTOR OPERATION 

    Without CONSULT 

    1. Disconnect engine coolant temperature sensor harness connector.
    2. Connect 150Ω resistor to engine coolant temperature sensor harness connector.
    3. Start engine and let it idle.
    4. Make sure that cooling fan operates.

      OK or NG 

      OK: INSPECTION END 

      NG: Check cooling fan control circuit. (Proceed to "PROCEDURE A ".)

      Fig 1: Checking Cooling Fan Operation
      G08690807Courtesy of NISSAN NORTH AMERICA, INC.