If the first 2 speeds are not working, but the rest do than check the blower resistor module, in the heater case on the right side below glove box. If all speeds work, but cut out or sometimes don't work, check the connector at the blower motor, and the connector at the blower resistor. You may find one melted, usually the black wire. If nothing obvious found, you will probably need a blower motor as it is intermittently working (on the way out).
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
--------------
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
---------
Blower fan not running on Isuzu trooper?
http://technoanswers.blogspot.in/2012/02/blower-fan-not-running-on-isuzu-trooper.html
---------
How to replace blower motor fan assembly on 2000 GMC
Yukon?
http://repairhelpcenter.blogspot.com/2012/01/how-to-replace-blower-motor-fan.html
----------
Heater AC or defroster fan not working on KIA?
http://technoanswers.blogspot.in/2012/02/heater-ac-or-defroster-fan-not-working.html
------------
These
will help.
Thanks.
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