P0480
Test 1:
Tests 2 - 4:
Tests 5 - 7:
SYMPTOM
P0480-LOW SPEED FAN CONTROL RELAY CIRCUIT
WHEN MONITORED
With the ignition ON Battery voltage greater than 10 volts.
SET CONDITION
An open or shorted circuit is detected in the radiator fan relay control circuit. One Trip Fault.
POSSIBLE CAUSES
- Intermittent condition
- Fused B+ feed circuits
- Coolant fan relay resistance
- Coolant fan relay control circuit open
- Coolant fan relay control circuit short to ground
- PCM