Lincoln P0484 Cooling Fan Circuit Over Current

Description

OBD-II Trouble Code Description for P0484 Lincoln

Fan Circuit Over Current

What does this mean?

OBD2 Code P0484 Lincoln definition:
The electric cooling fan is controlled by the powertrain control module (PCM) through the cooling fan relay based on inputs from the following components: – The engine coolant temperature (ECT) sensor – The intake air temperature (IAT) sensor – The A/C selector switch – The A/C refrigerant pressure sensor – The vehicle speed sensor (VSS) The PCM controls the cooling fan by grounding the cooling fan control circuit which turns ON the cooling fan relay. The cooling fan relay will be commanded ON when the following conditions are met: – The engine coolant temperature reaches 106¡ãC (223¡ãF) or more. – The A/C clutch requested. – The vehicle speed is less than 38 MPH. The cooling fan relay will be commanded ON regardless of vehicle speed when the following conditions are met: – The engine coolant temperature is 151¡ãC (304¡ãF) or more. – The A/C refrigerant pressure is high. The cooling fan may be commanded ON when the engine is not running under a fan run-on conditions described in the electric cooling fan general description portion of the service manual.

Symptoms

Possible sumptoms of OBD code P0484 Lincoln
– Engine Light ON (or Service Engine Soon Warning Light) – Engine overheating

Causes

Possible causes of OBD code P0484 Lincoln
– Fan control relay harness – Fan control relay connector – Fan control relay – Cooling Fan The Error code is generally activated on detection of the following conditions: The P0485 Lincoln code is detected when the PCM detects that the commanded state of the driver and the actual state of the control circuit do not match.

Possible Solutions

– Replace the malfunctioning fan control relay – Replaced cooling fan


The OBD2 Code Information Be Applicable For Lincoln:

2013 Lincoln MKZ,2013 Lincoln MKT,2013 Lincoln MKS,2013 Lincoln MKC,2012 Lincoln MKZ,2011 Lincoln MKX,2010 Lincoln MKZ,2010 Lincoln MKT,2009 Lincoln MKS,2009 Lincoln C Concept,2008 Lincoln MKT Concept,2007 Lincoln Navigator,2007 Lincoln MKZ,2007 Lincoln MKX,2007 Lincoln MKR Concept,2006 Lincoln Zephyr,2006 Lincoln Mark LT,2006 Lincoln MKS Concept,2004 Lincoln Mark X Concept,2004 Lincoln Aviator Concept,2003 Lincoln Town Car,2003 Lincoln Aviator,2001 Lincoln MK9

 

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