Question about 2004 Honda CR-V

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Honda CRV 2003 Heat/A.C. fan Fault

No fan
Have powered fan up and it runs
When AC is on and the fan switch is on, the AC lights up

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  • crvpeter Dec 23, 2008

    I have a 2002 CRV manual, 125K kilometers (Australian model). The fan stopped working 2 days ago. All the fuses are ok, Swapped relays, removed fan, test ran fan, seems a bit tight, was pulling 2.9 Amps. When the ingition is first turned on 12v is present at the connection block to fan (however this is registered on the multimeter with no load). Upon switching the fan speed controller on, with the A/C on, I can hear the control relay energize, the thermo fan starts, this all lasts for about 5 seconds then stops. I put a dummy load on the fan connection block (tail light globe). the load removed voltage. Upon reconnection of the fan, then turning on the ingion, the fan speed selection switch off, the fan moved slightly then stopped, turning the fan switch on, the control relay and thermo fan didn't energize, and is no load voltage was reading zero.

    I would suspect some sort of electronic control device has failled, has a built-in over current safety shut down. Does anybody have a detailed schemetic diagram to trace the circuit? As it is summer here, the missus and kids miss the A/C, the service agents are booked solid, and I would be good to get a few clues on this.

    Thanks, Peter

  • kdskds Jan 23, 2009

    I have exactly the same problem on a 2003 CRV with 80K's. Did you find a solution?

  • kdskds Jan 23, 2009

    I have exactly the same problem with a 2003 CRV with 80K on it.

  • ccote21 Feb 07, 2009

    The ac/heater fan will start after a few seconds,, then give up. If i turn left and hit a bumb it will come to life again...

    Got a ghost in there... LOL

    Loose wire or something?

  • cactus-isle Apr 15, 2009

    Honda 2003 CRV ( 120,000Km Aust. model ) I have the same problem today I turned the fan on and the magnetic A/c clutch under the bonnet cut in and out but no fan at all , all the lights on the dials are working on the center console controls, so I have removed the resistor and will replace this. ( I dropped open the glove compartment and can reach one of the screws using a phillips head driver with success the second screw holding the resistor in is hard to reach I drilled a 10mm hole in the plastic so the screwdriver can get a straight lineup and I can easily get to the screw now ) I unplugged the connector and removed the resistor without to see how much I'm going to get ripped off by the Honda Dealer...

  • Anonymous Mar 27, 2014

    light switch for 2008 Honda fit will not turn off



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I lost the link for this thread, Thanks for posting ED. There was some great help on this problem at this site. the fault ended up being a thermal fuse in the fan speed control moduel (black box in the a/c ducting next to the fan) $3 fix!

Posted on Jan 29, 2009

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It is likely the resistor or the dial itself. My 2001 with 77K on it started doing the same thing (and it's -11F out).


Posted on Jan 28, 2009


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