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2002 Honda Accord VP Heater air conditioner controls wont work

The fan runs but the selector buttons don't light up and I cant change to defrost etc. At first they all started blinking then the lights went out and it is stuck. Is this a fuse problem? Relay problem. Need some help on what to check for.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

ghost45
  • 1280 Answers

SOURCE: heater/defrost control knob

Here's the wiring diagram of the manual AC controls. I suspect the problem is in the 'mode' switch/motor.

47fdc72.jpg

Posted on Sep 07, 2009

  • 373 Answers

SOURCE: Main Relay on 92 Honda Accord

HI...
On you Honda Accord the main relay is located.
On left side of dash, under the Instrument Panel. Left side of the Steering Column.
To get axces You will need to Remove the Cruise Control Module. That is attached with 2, 10mm screws. one on the Steering column, the other one at the dash braket.
after you remove the cruise control module, you will see a Little Box Gray colour, Is a Relay more biger than a Regular Relay.
The NUMBER on the RELAY is : RZ0088.

OK.. I hope this help on your question.
Thank you for use fixya.

Posted on Aug 16, 2008

justuscc
  • 360 Answers

SOURCE: Compressor Magnetic Clutch - 1996 Honda Accord EX

looks like fuse # 8 "heater control relay- ac clutch relay-cooling fan" fuse runs the 12 volt side " black and yellow stripe wire " pcm or ecm runs the ground side "red -blue stripe wire"- what else do you need?

Posted on Sep 18, 2008

philschneide
  • 448 Answers

SOURCE: ac compressor clutch relay 1991 honda accord

Difficult to describe, but I will give it a try.
Inside the driver's side fender, close to the front of the car, there is a bracket that is held in place by one bolt, but which has a short horizontal bar as part of it which has two large clips encircling two cylinderical devices which have wires clipped into them at the bottoms. The one closest to the front (radiator) is the compressor clutch relay. The other one is the condenser fan relay.
Hope this helps you find it.

Posted on Oct 20, 2009

roniecon
  • 6826 Answers

SOURCE: location of heater blower relay on '92 Accord

If the fuse is good,check to see if there is voltage to the blower motor,if there is,replace the blower motor.Sometimes,not always,if you bump the blower motor,it will start working,if this happens,then the blower motor is bad,if it does not,the fan switch could be bad,but the relay is usally near the blower motor.Testing it with a test light is the best way to test it,ground one end of the test light,the other end has a point on it.Use the piont of the test light to touch all the legs on the relay,with the key on,and the fan on high.The test light will light up,on almost all the legs,but it will also activate the relay when you touch the right leg of the relay,the relay needs to stay plugged up as you do this.If you can not access the legs of the relay,because of a skirt on the relay,push the point of the relay into the wire that you are testing,or into the plug,near the leg of the relay.The legs I am refuring to,are the prongs on the relay.If the relay clicks and turns the fan on,when you touch the right one,then the fan,and the relay are good,it will be the blower fan switch.Now if you already have high,blower fan,and the lower speeds are the problem,replace the blower resister,It is mounted right next to the blower motor,and has about 7 wires plugged into it.

Posted on Jan 09, 2010

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Air conditioner


sure.

what is your goal hot air, you never said,

got full fan speed? on high>? sure.
got full engine coolant heat 180F or more holding??? if not all is lost.
if car has a heater core water valve is it open>?
are the 2 heater core water tubes both fully hot,(hand test)
yes> good.
now you need air flow through the core (heater)
that means the damper most be open,, is it?

in that order. (heat)
the dampers on hondas can be complex. (10x on electric damper motors , aka, damper actuators)
see part 5 and 6 here
http://www.hondaautomotiveparts.com/auto/jsp/mws/prddisplay.jsp?inputstate=5&catcgry1=ACCORD&catcgry2=2002&catcgry3=2DR+EX&catcgry4=KA4AT&catcgry5=HEATER+UNIT

the fSM covers the complex tests of dampers, and not having
a real FSM makes this near impossible.
why , because your dampers are no like anyothers on earth.
other cars use different types. and are all unique .
unlike CABLES
unlike vacuum servos.
see>?

here are the basics for heat.
http://www.fixkick.com/AirCond/heater.html


Jun 04, 2013 | 2002 Honda Accord

1 Answer

My front defrost wont work


If the moisture is oily, your heater core could be leaking.
If the moisture is dry, check to see if your ac compressor is running in defrost mode.
The air cond dries the air in defrost mode.

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1998 Honda Accord ventalation problems


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If the fan clearly comes on and you can hear it switching speeds. Check your selector switch on where you want the air to come out of and verify its not on the floor or defrost . The only other thing It could be would be that your ducting has somehow become misaligned resulting in a leak. Turn the system on high and feel around under the dash on both passenger and drivers sides...the exaust has to be there somewhere

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