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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 560 (Engine Cooling System & Automatic Transmission Cooling System) >> Engine >> Fan-Radiator >> Operation >> Activating The Hydraulic Fan With The Scan Tool

Activating The Hydraulic Fan With The Scan Tool

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

Under the Engine Systems test heading, there is a subheading. "Hydraulic fan solenoid test", that has the selections, on/off. Activating the fan with the scan tool will run the fan at 100% duty cycle, which will help troubleshoot any system problems, and also help with the deaeration procedure.

NOTE: Engine must be running to activate the fan with the scan tool.
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