DTC P0480 Fan 1 Control Circuit Malfunction: DTC Detecting Condition

DTC DETECTION CONDITION CHART

Item	Detecting Condition	Possible cause
DTC Strategy	Detect a short to ground, to battery or open circuit	Poor connection Open in Power circuit to cooling fan module Open or short in control circuit to PCM Faulty Fan Relay Faulty cooling fan module Faulty PCM
Enable Conditions	No disabling Faults Present Engine Running 11V ≤ Ignition Voltage ≤ 16V Enable Time delay ≥ 0.5 sec.
Threshold value	Open or short in circuit
Diagnosis Time	Continuous (More than 5 sec. failure for every 10 sec. test.)
MIL On Condition	2 driving cycles