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.

Fig 1: Identifying Coolant Level In Reservoir Tank
Courtesy of NISSAN NORTH AMERICA, INC.

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

YES: Proceed to "DIAGNOSIS PROCEDURE ".

NO: GO TO 2.
PERFORM COMPONENT FUNCTION CHECK-I
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 ".