Chrysler Concorde 2004 Service Manual page 861

Symptom:
P0480-LOW SPEED FAN CONTROL RELAY CIRCUIT
When Monitored and Set Condition:
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.
LOW SPEED RADIATOR FAN RELAY OPERATION
(A16) FUSED B+ FEED CIRCUITS
LOW SPEED RADIATOR FAN RELAY RESISTANCE
(C24) LOW SPEED RAD FAN RELAY CONTROL CIRCUIT OPEN
(C24) LOW SPEED RAD FAN RELAY CONTROL CIRCUIT SHORT TO GROUND
PCM
TEST
1 Ignition on, engine not running.
With the DRBIII , actuate the Radiator Fan Relay.
Is the Low Speed Radiator Fan Relay operating?
Yes → Refer to the INTERMITTENT CONDITION symptom in the
→ Go To 2
No
2 Turn the ignition off.
Remove the Low Speed Radiator Fan Relay from the PDC.
Ignition on, engine not running.
Measure the voltage of the (A16) Fused B+ Feed circuit in the PDC.
Is the voltage above 11.0 volts?
Yes → Go To 3
→ Repair the (A16) Fused B+ Output circuit. Inspect the related
No
POSSIBLE CAUSES
ACTION
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
fuse and repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
DRIVEABILITY - NGC
203
APPLICABILITY
All
All