Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2002 Nissan-Datsun Sentra SE-R, StandardFACTORY OEM SERVICE PROCEDURE

With Consult-II

WARNING: This page is about a different car, the 2005 Nissan Quest. 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.

Fig 1: Checking Coolant Level
Courtesy of NISSAN MOTOR CO., U.S.A.

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 ".
Turn ignition switch ON.
Perform "COOLING FAN" in "ACTIVE TEST" mode with CONSULT-II.

Fig 2: CONSULT-II Active Test
Courtesy of NISSAN MOTOR CO., U.S.A.
If the results are NG, go to "DIAGNOSTIC PROCEDURE ".

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.