Chrysler 300M 2002 Service Manual page 2629

DRIVEABILITY - NGC
Symptom:
P0481-HIGH SPEED FAN CONTROL RELAY CIRCUIT
When Monitored and Set Condition:
P0481-HIGH 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.
INTERMITTENT CONDITION
FUSED IGNITION SWITCH OUTPUT CIRCUIT
HIGH SPEED RADIATOR FAN RELAY RESISTANCE
HIGH SPEED RADIATOR FAN RELAY CONTROL CIRCUIT OPEN
HIGH SPEED RADIATOR FAN RELAY CONTROL CIRCUIT SHORT TO GROUND
PCM
TEST
1 Turn the ignition on.
With the DRBIII , actuate the High Speed Radiator Fan Relay.
Is the High Speed Radiator Fan Relay operating?
Yes → Go To 2
→ Go To 3
No
POSSIBLE CAUSES
ACTION
200
APPLICABILITY
All