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Home >> Ford >> 1994 >> Mustang V6-232 3.8L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> X - Constant Control Relay Module (CCRM) >> X31 - Does Fan Always Run?
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X31 - Does Fan Always Run?



- Engine cooled so fan would not normally come On.

- A/C and defroster Off.

- Key On, Engine Off.

- Is the fan running?

YES -- Key Off. GO to X32 (to check for short to power). X32 - Check For Short In CCRM

NO -- Key Off. GO to X35 (to determine if a hard fault is present). X35 - Check FANM Input to Determine Intermittent or Hard Fault