P0481
Test 1 - Test 2:
Test 3 - Test 7:
SYMPTOM
P0481-COOLING FAN NO.2 CONTROL CIRCUIT
WHEN MONITORED
With the ignition on. Battery voltage greater than 10 volts.
SET CONDITION
An open or shorted circuit is detected in the high speed radiator fan relay control circuit. One Trip Fault.
POSSIBLE CAUSES
- High speed radiator fan relay operation
- High speed radiator fan relay
- (F20) Fused ignition switch output circuit
- (A16) Fused B+ circuit
- (N112) High speed rad fan relay control circuit open
- (N112) High speed rad fan relay control circuit short to ground
- PCM