Description
OBD-II Trouble Code Description for P0480 Isuzu
Fan 1 Control Circuit
What does this mean?
OBD2 Code P0480 Isuzu 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 P0480 Isuzu
– Engine Light ON (or Service Engine Soon Warning Light) – Engine overheating
Causes
Possible causes of OBD code P0480 Isuzu
– Fan control relay harness – Fan control relay connector – Fan control relay – Cooling Fan 1 The Error code is generally activated on detection of the following conditions: The P0481 Isuzu 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 1 – Replaced cooling fan 1
The OBD2 Code Information Be Applicable For Isuzu:
2011 Isuzu Rodeo 3.0 Denver,2008 Isuzu Pickup,2007 Isuzu Ascender,2002 Isuzu Axiom XST Concept,2002 Isuzu Axiom XSR Concept,2001 Isuzu Zen Concept,2001 Isuzu GBX Concept,2001 Isuzu Axiom XSF Concept
Note:
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