Question about 2005 Chevrolet Impala LS

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Cooling fan 2ctrl ckt malfunction - 2005 Chevrolet Impala LS

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This could be the module mounted to the fan assembly attached to the radiator, a faulty relay, or a wiring issue. I would first begin by finding the proper relay in the battery junction box located by using the vehicle service manual. Remove the relay and jump the circuit with a 14 guage 30 amp fused wire. If the fan operates then OHM the relay and replace if bad. If the fan does not operate and the relay is good then chances are the fan module/wiring is the culprit.

Posted on Sep 10, 2013

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Posted on Jan 02, 2017

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1 Answer

Fans runs until it burns the relay


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remove cooling fan relay and with ampmeter look how much amps the cooling fan motor.
the fan is on with the ground ckt 335 dark green wire check if it's ground all the time

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1 Answer

What is code 35 and 76 for 1993 grand cherokee


35 is p1491 which is Radiator fan control relay circut (bad relay).... An open or shorted condition detected in the low speed radiator fan relay control circut

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1 Answer

Dodge Stratus R/T fan doesn't come on while car is running and car is getting hot.


FAN NOT WORKING


It can be issue with faulty motor or its faulty fan control relay.


Bother are to be inspected.

Test volt at fan relay and fan motor.

-------------

For more help, I suggest you to go through the troubleshooting links mentioned below:-----

Click the link below: ------

How to replace Cooling Fan on Acura Car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-cooling-fan-on-acura-car.html

--------------

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http://schematicsdiagram.blogspot.com/2012/11/obd-code-p1490-low-speed-fan-relay-ckt.html

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http://repairhelpcenter.blogspot.com/2011/11/engine-cooling-components-working.html

----------

How does Vehicles Engine cooling system works?

http://repairhelpcenter.blogspot.com/2011/11/how-does-vehicles-engine-cooling-system.html

---------------

Hyundai Sonata cooling fan not working

http://schematicsdiagram.blogspot.in/2012/02/hyundai-sonata-cooling-fan-not-working.html

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--------------

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http://carbeltrouting.blogspot.com/2011/12/fan-belt-routing-diagram-for-2004.html

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http://carbeltrouting.blogspot.in/2012/02/timing-beltdrive-beltserpentine.html

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http://technoanswers.blogspot.in/2012/02/ac-heater-defroster-fan-not-working.html

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http://technoanswers.blogspot.in/2012/02/blower-fan-not-running-on-isuzu-trooper.html

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------------

These will help.

Thanks.

Nov 27, 2012 | Cars & Trucks

3 Answers

Fan won't work


It can be issue with faulty motor or its faulty fan control relay.
Bother are to be inspected.Test volt at fan relay and fan motor.-------------
For more help,i suggest you to go through the troubleshooting links mentioned below:-----Click the link below:------

How to replace Cooling Fan on Acura Car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-cooling-fan-on-acura-car.html
--------------

OBD Code P1490 low speed fan relay ckt open-short
http://schematicsdiagram.blogspot.com/2012/11/obd-code-p1490-low-speed-fan-relay-ckt.html
---------------

Engine cooling components working?

http://repairhelpcenter.blogspot.com/2011/11/engine-cooling-components-working.html

----------

How does Vehicles Engine cooling system works?

http://repairhelpcenter.blogspot.com/2011/11/how-does-vehicles-engine-cooling-system.html

---------------

Hyundai Sonata cooling fan not working

http://schematicsdiagram.blogspot.in/2012/02/hyundai-sonata-cooling-fan-not-working.html

-------------

Fuel pump relay and cooling fan relay troubleshooting on 1997 ford thunderbird?

http://repairhelpcenter.blogspot.com/2011/10/fuel-pump-relay-and-cooling-fan-relay.html
--------------

Fan belt routing diagram for 2004 Volkswagen Jetta?

http://carbeltrouting.blogspot.com/2011/12/fan-belt-routing-diagram-for-2004.html
---------

Timing belt, drive belt, serpentine belt, accessory belt, fan belt, engine belt routing diagrams for all types of car models?

http://carbeltrouting.blogspot.in/2012/02/timing-beltdrive-beltserpentine.html
-------------

A/C, heater, defroster fan, not working?

http://technoanswers.blogspot.in/2012/02/ac-heater-defroster-fan-not-working.html
---------

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http://technoanswers.blogspot.in/2012/02/blower-fan-not-running-on-isuzu-trooper.html
---------

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http://repairhelpcenter.blogspot.com/2012/01/how-to-replace-blower-motor-fan.html
----------

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http://technoanswers.blogspot.in/2012/02/heater-ac-or-defroster-fan-not-working.html
------------These will help.Thanks.

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1 Answer

Iwwhat is 481 code on a mazda


Hi there:
DTC P0481 - Cooling Fan 2 Ctrl CKT Malfunction
The P0481 requires reprogramming the PCM at a Mazda dealership, see below TSB in THIS LINK:



DESCRIPTION
Some vehicles may exhibit DTC P0481 (Cooling fan relays malfunction) stored in the PCM.

The false DTC detection occurs when the A/C refrigerant pressure switch is ON but the cooling fan relay is turned OFF by the PCM because the coolant temperature is 108C degrees and under. The PCM stores DTC P0481 because the cooling fan is operating without PCM control command. This is due to improper PCM calibration.



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Thank you for using FixYa, have a nice day.

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