Service engine light

Hi,
we bought a volvo s70 1998 T5 manual.
How can I turn off the service engine light ?
Thank you

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On the opposite side of the speedometer to the trip-counter reset on my 850 is what looks like a blanking plug. It can be removed to reveal a button which when pushed turns off the light.....
Maybe your car is similar????

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For US models at least you need a code scanner to read out what trouble codes are set and to reset the service engine light. It would be good to find out what the car thinks is wrong with itself, eh?
John
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Problem: "standard" OBD-II scanners will only display the fedrally-mandated emissions-related codes. They won't tell you what faults other systems are displaying, such as airbags, climate control, radio, etc.. To find out those details, it's a trip to the dealer, several hours wait, and about $50.00 if you don't pay them to fix it. Until I find an affordable way to read and understand ALL codes and OWN a full set of service manuals, I won't be buying a new Volvo.
To reply, please remove one letter from each side of "@" Spammers are VERMIN. Please kill them all.
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Lison et Georges wrote:

The service light needs a special electronic tool on 1996-1998 models.
--
Mike F.
Thornhill (near Toronto), Ont.
  Click to see the full signature.
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Software to do it and read all the other ECU's:
http://www.onboarddiagnostics.co.uk/volfcr/index.htm
Cheap interface cable at:
http://www.obdtool.com /
or make your own at:
http://www.planetfall.com/~jeff/obdii/schematic_b1.pdf

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I've been researching OBD2 readers and software and what I am hearing is that the ISO OBD port to serial 9 pin interface is "chipped" by each OBD software maker to work with their software ONLY, and so you cannot just make of buy an interface and use it with any software as is implied here http://www.obdtool.com /
Anyone have the lowdown on this?
Here are some more links to OBD2 software & interfaces:
http://www.applytechs.com / http://www.autoenginuity.com / http://www.autotap.com/autotap_for_windows.html http://www.obdii.com/obdii.html http://www.obd-2.com/index.html

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The makers of software uses different ways of protecting their buisness selling the software. Some uses, as you imply, hardware dependent software were some initialisation of the interface is performed before the actually communication with the cars ECU begins. Others just make software were you will have to register to get a key for full functions, these will usually work with any simple ODBII to rs232 interface. Maybe the tool sold at http://www.obdtool.com/ is only using a simple hardware interface and would then work with all other software programs that does the same Like Vol-FCR.
So not any software uses a simple hardware interface, but where exactly is this implied on obdtools site, I cant seem to find that.
Per Hauge

directly.
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The obdtool.com interface is sold to work with VAG-COM, this software uses a simple interface and registration as the obdtool.com site says.
You could also make your own at:
http://www.planetfall.com/~jeff/obdii/schematic_b1.pdf
but the parts /connectors would likely cost as much as the ready made obdtool.com interface for a one off.

models.
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You are correct. What I meant to say was that the product being sold at http://www.obdtool.com is not really a bargain at $71 because you are getting limited functionality unless you spend an additional $99 to upgrade from the shareware to the full version of VAG-COM. At that point you are spending as much as many of the other products on the market. Either way, you are locked into the VAG-COM product since your interface would not work with any other OBD 2 product. Personally, I would wait to decide which software I like and is best for my vehicle, then buy the full package.
Again, I'm not saying there is anything wrong with VAG-COM, but at $170 for the full product, it's not really any better deal then the other products out there.

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