Overall Function Check

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Use this procedure to check the overall function of the cooling system. During this check, a DTC might not be confirmed.

WARNING: Never remove the radiator cap and/or reservoir tank cap when the engine is hot. Serious burns could be caused by high pressure fluid escaping from the radiator and/or reservoir tank.

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.

WITH CONSULT

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 "DIAGNOSIS PROCEDURE ".
Confirm whether customer filled the coolant or not. If customer filled the coolant, skip the following steps and go to "DIAGNOSIS PROCEDURE ".
Turn ignition switch ON.
Perform "COOLING FAN" in "ACTIVE TEST" mode with CONSULT.

Fig 1: Identifying Coolant Level In Reservoir Tank
Courtesy of NISSAN NORTH AMERICA, INC.
If the results are NG, go to "DIAGNOSIS PROCEDURE ".

WITH GST

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 "DIAGNOSIS PROCEDURE ".
Confirm whether customer filled the coolant or not. If customer filled the coolant, skip the following steps and go to "DIAGNOSIS PROCEDURE ".
Perform IPDM E/R auto active test and check cooling fan motor operation, refer to "DIAGNOSIS DESCRIPTION ".
If NG, go to "DIAGNOSIS PROCEDURE ".

Fig 2: Identifying Coolant Level In Reservoir Tank

Courtesy of NISSAN NORTH AMERICA, INC.