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Home >> Nissan-Datsun >> 1989 >> Sentra Base >> Repair and Diagnosis >> Engine Mechanical >> Engine Cooling Fan >> System Testing >> 240SX
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System Testing: 240SX

Start engine. Warm engine to operating temperature. Engage A/C clutch using A/C switch in passenger compartment. Cooling fan should run. If not, check power supplies, grounds, relay, radiator fan switch and motor. If no faults are found, check component wiring.