FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

X36 - Check If Fan Runs (Low For Two Speed Fan Applications)



- Scan Tool connected.

- Key On, Engine Off.

- Access Output Test Mode on Scan Tool. Output Test Mode

- Turn Low Speed Fan On.

- Is the fan running?

YES -- Key Off. GO to X37. X37 - Check Fan Monitor (FANM) Circuit

NO -- REMAIN in Output Test Mode. GO to X40. X40 - Check For Voltage to Cooling Fan