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.

2008 Infiniti EX35 Base, RWDFACTORY OEM SERVICE PROCEDURE

Component Inspection (Cooling Fan Relay)

CHECK COOLING FAN RELAY

Turn ignition switch OFF.
Remove cooling fan relay.

Check the continuity between cooling fan relay terminals under the following conditions.

CONTINUITY SPECIFICATIONS

Terminals	Conditions	Continuity
3 and 5	12 V direct current supply between terminals 1 and 2	Existed
3 and 5	No current supply	Not existed

Fig 1: Checking Cooling Fan Relay

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

Is the inspection result normal?

YES: INSPECTION END

NO: Replace cooling fan relay.

Chapter Navigation

Return to Chapter: Cooling Fan

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.