With GST

WARNING: This page is about a different car, the 2004 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

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 Diagnostic Procedure .
Confirm whether customer filled the coolant or not. If customer filled the coolant, skip the following steps and go to Diagnostic Procedure .
Start engine.
Be careful not to overheat engine.

Fig 1: Checking Coolant Level In Reservoir
Courtesy of NISSAN MOTOR CO., U.S.A.
Make sure that cooling fan (crankshaft driven) operates normally.
If NG, Refer to COOLING FAN .

If OK, go to the following step.
Turn air condition switch ON.
Turn blower fan switch ON.
Make sure that cooling fan operates at low speed.
If NG, go to Diagnostic Procedure .

If OK, go to the following step.
Turn ignition switch OFF.
Turn air conditioner switch and blower fan switch OFF.
Disconnect engine coolant temperature sensor harness connector.

Fig 2: Operating Cooling Fan On Low Speed
Courtesy of NISSAN MOTOR CO., U.S.A.
Connect 150Ω resister to engine coolant temperature sensor harness connector.
Restart engine and make sure that cooling fan operates at higher speed than low speed.
Be careful not to overheat engine.
If NG, go to Diagnostic Procedure .

Fig 3: Operating Cooling Fan On High Speed

Courtesy of NISSAN MOTOR CO., U.S.A.