Component Function Check

PERFORM COMPONENT FUNCTION CHECK-I
WARNING: Never remove the reservoir tank 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: Proceed to "DIAGNOSIS PROCEDURE ".

NO: GO TO 2.

Fig 1: Identifying Coolant Level In Reservoir Tank (MAX/MIN)
Courtesy of NISSAN NORTH AMERICA, INC.
PERFORM COMPONENT FUNCTION CHECK-II
Confirm whether customer filled the coolant or not.

Did customer fill the coolant?

YES: Proceed to "DIAGNOSIS PROCEDURE ".

NO: GO TO 3.
PERFORM COMPONENT FUNCTION CHECK-III
WITH CONSULT
1. Start the engine.
2. Perform "FAN DUTY CONTROL" in "ACTIVE TEST" mode with CONSULT.
3. Check that cooling fan speed varies according to the percentage.
  NOTE: Fan speed changes as the percentage changes.
WITHOUT CONSULT
1. Start the engine.
2. Perform IPDM E/R auto active test. Refer to "DIAGNOSIS DESCRIPTION ".
3. Check that cooling fan speed increase.
  NOTE: Speed changes gradually when performing the auto active test.
  
  Is the inspection result normal?
  
  YES: INSPECTION END
  
  NO: Proceed to "DIAGNOSIS PROCEDURE ".