Component Function Check

1. PERFORM COMPONENT FUNCTION CHECK-I
   WARNING: Never remove the radiator cap when the engine is hot. Serious burns could be caused by high pressure fluid escaping from the radiator.

   Wrap a thick cloth around cap. Carefully remove the cap by turning it a quarter turn to allow built-up pressure to escape. Then turn the cap all the way off.

   Check the coolant level in the reservoir tank and radiator.

   Allow engine to cool before checking coolant level  .

   Is the coolant level in the reservoir tank and/or radiator below the proper range? 

   YES: Go to "DIAGNOSIS PROCEDURE ".

   NO: Go to 2.

   Fig 1: Identifying ECM Connector

   Courtesy of NISSAN MOTOR CO., U.S.A.
2. PERFORM COMPONENT FUNCTION CHECK-II

   Confirm whether customer filled the coolant or not.

   Did customer fill the coolant? 

   YES: Go to "DIAGNOSIS PROCEDURE ".

   NO: Go to 3.

3. PERFORM COMPONENT FUNCTION CHECK-III

With CONSULT-III 

1. Turn ignition switch ON.
2. Perform "COOLING FAN" in "ACTIVE TEST" mode with CONSULT-III.
3. Check that cooling fan motors-1 and -2 operate at each speed (LOW/HI).

Without CONSULT-III 

Perform IPDM E/R auto active test and check cooling fan motors operation, refer to "DIAGNOSIS DESCRIPTION ".

Is the inspection result normal? 

YES: INSPECTION END

NO: Go to "DIAGNOSIS PROCEDURE ".