2000 Honda Civic Speedometer Stuck at 20mph Works fine sometimes though Please help!!
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2000 Honda Civic Speedometer Stuck at 20mph Works fine sometimes though Please help!!
Hey guys. I have a 2000 Honda Civic Automatic 4 Door Sedan. The speedometer is 99% of the time stuck at 20mph and the odometer does not work during this time.
Occasionally the speedometer/odometer works perfectly fine and then all of a sudden, it just shoots back to 20mph and the odometer stops working again...
Also, the gauge lights do not work and everytime I replace the fuse and go to turn them back on the fuse blows instantly.
So the odometer/speedometer problem has always been there since I bought the car and the interior dash lights not working is a new problem. They worked fine when I bought the car..
Any ideas you guys have would be very much appreciated.
Thanks in Advance!!
Josh
Occasionally the speedometer/odometer works perfectly fine and then all of a sudden, it just shoots back to 20mph and the odometer stops working again...
Also, the gauge lights do not work and everytime I replace the fuse and go to turn them back on the fuse blows instantly.
So the odometer/speedometer problem has always been there since I bought the car and the interior dash lights not working is a new problem. They worked fine when I bought the car..
Any ideas you guys have would be very much appreciated.
Thanks in Advance!!
Josh
#2
Honda-Tech Member
Re: 2000 Honda Civic Speedometer Stuck at 20mph Works fine sometimes though Please he
Had the same problem in my 98 ex before. Changed the speed sensor (1 bolt 1 plug 5 minutes) worked just fine. Not sure about the lights. Sounds like a short behind the cluster.
#3
Re: 2000 Honda Civic Speedometer Stuck at 20mph Works fine sometimes though Please he
I have the same problem in my 96 civic dx 2 dr coupe. do you know where I can get this. i dont want to get the wrong one I was looking on ebay. Its a 5sp i dont know if that makes a difference. Thanks
#4
O.G. triple O.G.
Re: 2000 Honda Civic Speedometer Stuck at 20mph Works fine sometimes though Please he
Guys....you can find it here:
http://www.oemacuraparts.com/
search for "SPEED SENSOR" in the search tab...
http://www.oemacuraparts.com/
search for "SPEED SENSOR" in the search tab...
#5
Re: 2000 Honda Civic Speedometer Stuck at 20mph Works fine sometimes though Please he
i have a 99 civic dx 2dr and its doing the same thing. i run it and it gets stuck on 20mph but sometimes it would run perfect and the lights in the back would dim out and stuff . would all this be associated just with the "SPEED SENSOR" as you say NVturbo? much appreciated man!
#7
Re: 2000 Honda Civic Speedometer Stuck at 20mph Works fine sometimes though Please he
@grumblemarc ive been looking for the VSS but ive no to have any luck . ive searched forms to see where it would be located at on my honda but no luck. have any sites that give you a good layout and detail to where i can locate the VSS cause its driving me nuts
thanks G
thanks G
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#8
Re: 2000 Honda Civic Speedometer Stuck at 20mph Works fine sometimes though Please he
I had the Speedometer indicating 20mph and Odometer not working problem, half the time. The other half it worked perfectly. Mine is a 1998 Civic EX. My problem was a broken solder connection (often called a "cold solder joint") on IC1 pin 10. My circuit board is the one pictured by REVOAPPAREL in this thread on 8-15-2012. This pin is one of the epoxy (or glued) pins. I used the soldering iron to remove this epoxy from the pin before re-soldering it. (The heat kind of crumples the epoxy so it can be scraped off with the iron tip.) The Vehicle Speed Sensor signal comes into IC1 on this pin, but also on IC1 pin 12, and IC2 pins 10 and 15. __ I found which solder connection was broken in the following manner: Removed the circuit board from the speedometer/odometer mechanism (it pulls right off.) Attached a 12 volt power supply to IGN and GND. Used a voltmeter to read COS & SIN voltages. These 2 voltages tell the speedometer needle where to point. (RED voltmeter lead on COS+ and BLACK voltmeter lead on COS-.) (Don't look at the voltages with respect to GND. The speedometer doesn't see that.) When the circuit board was working correctly, the COS voltage was 5.04 and the SIN voltage was 0.26. These are logic levels ONE and ZERO. (If you remember your Trigonometry, the COS of zero is ONE and the SIN of zero is ZERO. Zero is the vehicle speed.) When the circuit board wasn't working correctly (this is when the needle would indicate 20mph IF it was attached) COS voltage was 2.47 and SIN voltage was 1.80. When I read these WRONG voltages, I started touching things and when I pushed on IC1 the voltages became correct for a moment. Then I used a probe to push against each IC1 pin individually and found pin 10 was the pin not making contact. __ A person should be able to use this technique to find a bad solder joint anywhere on the board causing incorrect speedometer readings when the vehicle is sitting still. ___ I also traced out the entire circuit board and drew a schematic. If I figure out how to post a scanned pdf of this, I'll attach it. ___This is my first post to any automotive thread. I sincerely hope this helps many of you out with your speedometer indicating 20mph problems! Enjoy Troubleshooting! ((Toolman1966 _ APRIL 14, 2013))
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Re: 2000 Honda Civic Speedometer Stuck at 20mph Works fine sometimes though Please he
i have a 99 civic dx 2dr and its doing the same thing. i run it and it gets stuck on 20mph but sometimes it would run perfect and the lights in the back would dim out and stuff . would all this be associated just with the "SPEED SENSOR" as you say NVturbo? much appreciated man!
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