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ElmScan 5 Compact USB OBD-II Scan Tool & OBDWiz Engine Diagnostic Software (423001)
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ElmScan 5 Compact USB OBD-II Scan Tool & OBDWiz Engine Diagnostic Software (423001)



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ElmScan 5 is the original best-selling ELM327-based scan tool, and is the perfect entry-level scan tool for the budget-minded do-it-yourself mechanic. ElmScan 5 Compact lets you turn your computer into a sophisticated diagnostic system. The scan tool is a breeze to install and configure, and provides a lot more information about your vehicle, than a handheld scan tool. It is fully OBD-II compliant and works with any Windows PC with a USB port. ElmScan 5 Compact includes all necessary hardware and software to diagnose your vehicle's problems.

The free, exclusive, feature-packed OBDwiz diagnostics software included with the scan tool allows you to:

* Turn off check engine light, and erase stored diagnostic information
* Read and erase stored, pending, and permanent trouble codes (both generic and manufacturer-specific, over 7000 codes in database)
* Built-in online lookup of probable causes and possible solutions
* Access freeze frame information
* Display, graph, and log 90+ real-time parameters
* Create custom digital dashboards
* Measure and display fuel economy
* And much more!

Recommended Third Party Software

* EasyObdII
* ProScan
* ScanTool.net Diagnostic Software
* ScanMaster
* ScanXL Standard & Pro (including GM, Ford, and Mazda add-ons)
* TouchScan

Package Contents

* ElmScan 5 Compact unit
* Quick Start Guide
* Installation CD (device drivers, user documentation, OBDwiz diagnostic software)


Buy with confidence. If you are not happy with our product or service, we do not want your money! This product comes with a 90 day money back guarantee, and a 3 year "repair or replace" warranty.



Supports all OBD protocols and systems, including CAN, OBD-II, EOBD and JOBD.

Easy to install and use. Installation CD contains drivers, diagnostic software, user documentation, and videos.

Free OBDwiz diagnostic software ($30 value). Read and clear trouble codes (database has over 7000 generic and manufacturer-specific trouble codes), turn off Check Engine light, view Freeze Frame. Display, record, and graph 90+ real-time parameters. Calculate MPG (fuel mileage). OBDwiz comes with free unlimited updates.

ElmScan 5 is covered by a 3-year manufacturer warranty, and a 90-day money back guarantee.

Universal - works on all 1996 and newer model year OBDII compliant vehicles: Acura Alfa Romeo Ariel Atom Aston Martin Audi Bentley BMW Buick Cadillac Chevrolet Chrysler Citroen Daewoo Daihatsu Daimler Dodge Ferrari Fiat Ford Geo GMC Holden Honda Hummer Hyundai Infiniti Isuzu Jaguar Jeep Kia Lamborghini Lancia Land Rover Lexus Lincoln Lotus Maserati Mazda McLaren Mercedes Mercury MG Mini Mitsubishi Nissan Oldsmobile Opel Pagani Panoz Peugeot Plymouth Pontiac Porsche Regal Renault Rolls-Royce Roush Rover Saab Saleen Saturn Seat Scion Shelby Skoda Smart Subaru Suzuki Tesla Toyota Triumph TVR Vauxhall Volkswagen Volvo Yugo.

Product Details:
Package Length: 6.1 inches
Package Width: 4.5 inches
Package Height: 0.7 inches
Package Weight: 0.15 pounds
Average Customer Rating: based on 687 reviews
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Customer Reviews:
Average Customer Review: 4.0 ( 687 customer reviews )
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Most Helpful Customer Reviews

192 of 201 found the following review helpful:

3Good ValueMar 20, 2011
I work as a professional ASE certified mechanic and I bought this for home use on my new netbook that uses Windows 7 starter.

installation was easy, but simply plugging the scanner into the laptop while connected to the internet got better results because windows automatically finds the best drivers.

when you first try to connect i found it easiest to click auto-detect to make sure the pc can communicate to the scanner.. then click connect and it finds the correct protocol to use.

Reading and clearing codes was very easy.

To view all the PIDS you have to manually set it to monitor all of them or you only get a few. However when you do this the PID update rate gets very very slow and is almost useless, I was able to rev the engine up and let it come back down to idle and the scanner never updated in time to pick up the RPM change.

If you deselect all PID's and select only RPM, it will update almost instantly so the update rate depends on the car AND how much data you are trying to pull all at once. when selecting 5 or less PID's the update rate is acceptable

I've tried this product on a 2006 Honda Ridgeline and a 1996 Ford Escort, the escort appeared to have faster data refresh rates, but was still too slow when all PID's were selected

Overall this product is worth the low cost if you're trying to check and clear codes, and if you know what you're doing you can do SOME diagnostics with this, to do any real diagnosis you need a much much faster scan tool capable of monitoring all PID's as fast as the car will update them.

OBDWiz was the best software I tried for this scanner, stick with and check for updates within the program to auto update to the newest version and gain some more power

Also the best way to install the software onto a netbook is to copy the CD onto another computer and transfer it to the netbook. Or create an ISO image of the CD using daemon tools and mount it in a virtual drive

73 of 76 found the following review helpful:

5This product is an absurdly good value.Sep 13, 2012
By D. Mercer
About me: I've worked on cars for about 11 years. Professionally for 7 or 8. Have held my ASE Master cert for over 5. Have used factory PC-based scan tools from Volvo, Toyota, Ford, Nissan/Infiniti, and probably a couple others I've forgotten. Plus your old Snap-On bricks, their much-newer MODIS, the Nemisys and Genisys from OTC...I've been around.

I have a rather large collection of tools, but have never purchased a scan tool, as one has always been provided by work. And I'm cheap.

Now I've grown as sick and tired of the behavior of car dealerships as most of their customers have. So I've begun to work for myself. This was a budget purchase to allow me to be able to do 'check engine' light repairs. Drivability / engine performance has always been a specialty, and it's generally more lucrative than 'grunt' work like brake and suspension stuff. Especially when you don't have a lift. And it's commonly less of a headache than trying to do electrical work without access to manufacturer resources (wiring diagrams, signal specs).

All of that said...A few years ago, you couldn't buy a pocket code reader (one of those little guys that just reads and clears generic P-codes) for the price of this thing.

Now $25 gets you a device that reads/clears codes, includes a decent collection of code definitions, shows freeze frame data, and reads/records/graphs live data. When I started seeing stand-alone scan tools that would do all of this for under $1000, I was ecstatic.

But what's this cost, again? Yep, 25 bucks (at the time of this review).

The bad:

- You need to provide your own laptop or netbook. Obviously. Then again, that still means you can have all the above-described functionality for $400 or less...and you get a 'free' Windows PC thrown in.

- Live data is slow to update. This can be from a number of factors, but I'm 99% sure the old Elm327 chip is the bottleneck. It still works, and and graphing over time can still be useful. But looking for minuscule blips in sensor data is going to be hard. Luckily, that's not often required.

And that's it for the bad. Pretty insignificant, I'd say, since most people are just going to want to read/clear codes and will not be doing advanced drivability diagnosis.

That guy you see at the dealership, probably using a fairly old Toughbook with a big awkward box hooked up to it? Yeah, he's got a much better resource. Data updates as close to instantly as possible. And he can do a few extra things: Update/reprogram the software of various electronic modules (like the ECM/PCM). Activate outputs (e.g. open evap purge valve, activate electric fan, ect). Program keys and remotes.

He also is using something the dealer probably paid $4-5,000 or more for, not including the cost of keeping their software licenses current (you pay per machine).

I'm running this on a Lenovo I bought new, over two years ago, for less than $400. "Pentium dual-core," which I believe is just a slightly neutered old Core2duo, with 2GB of memory. OBDWiz is a great little program, and there is of course a lot more stuff available. On the cars I've used this on so far, I have encountered no issues with connecting, reading/clearing codes, reading PIDs, ect.

Essentially: If you're a mechanic who wants decent scan tool functionality at a super-cheap price, or anyone who attempts to DIY on OBD2 vehicles, this is what you need. Even if you want to upgrade later to something pricier...well, if you can afford that, you're not going to miss your $25 much. And I've seen the more expensive generic PC-based cables and software...they're really not that much better.

If this doesn't do it for you, well, I hope you're freaking loaded, because the next big step up is hardware/software from the vehicle manufacturer. Or at least a MODIS or similar.

And, despite the added functionality, don't even get me started on how primitive, ugly, unstable, and unintuitive some automakers' stuff actually is. Yes, Ford, I'm looking at you. IDS is a friggin' joke. Like a six-year-old programmed it in VB.

Basically, conclusion: bad reviews are from people expecting way too much, or using non-legit (i.e. pirated) software with it (which can cause problems). The vast majority of buyers are set with OBDWiz. I don't know what's up with the complaint of it only reading 'a few' PID's...I see the same stuff a stand-alone tool would spit out. RPM, MAP, MAF, TPS, O2's, fuel trims, ect.

93 of 99 found the following review helpful:

5Simple and easy to use OBD ScannerDec 20, 2010
By D. Turner
I needed a simple, inexpensive scan tool to check and reset error codes in my 2002 Pontiac Bonneville. I work in computers and have a laptop available so the ElmScan 5 USB scan tool looked like a nice package. The form factor was what I was looking for, it in included OBD software and the price was right. The unit arrived promptly, the software installed easily and linked to the scan tool without issue. The software was simple to learn and easy to use and proved to be totally adequate for my needs. It provides a simple link to look up codes on the internet and does a very good job with standardized codes. The basic software does not handle manufacturer specific codes but there are other software packages available for more advanced uses, some of which are free. I have used the ElmScan 5 on all of my vehicles and several friends vehicles and really like the unit.

105 of 114 found the following review helpful:

3Ok CEL ToolApr 23, 2010
By Ed
This is an alright product:

+Read & Reset Check Engine Light codes
+Can read many OBD parameters (just not with the included program)

-Slow. The refresh rate is at best 1-3 updates per second when reading OBD2 values. This is way to slow to be of much use.
-Fuel mileage calculations with included software is woefully optimistic
-Included software can only read a few parameters. There are some free software alternatives, but most of the good stuff is quite expensive

Decent for CEL reading/resetting. Although, a cheap handheld device does the same thing and is more portable.
Poor for monitoring values over OBD2. The refresh rate is too low to be of much diagnostic use.

20 of 22 found the following review helpful:

5Works well for shadetree mechanicsAug 30, 2011
By Mike L "Mike L"
I picked this up as it was comparable in price to the most basic code reader available at the auto parts store, yet is able to give you comparable reporting to the much more expensive models. The software provides the codes with hyperlinks to look them up on the web for troubleshooting help. I was able to pull a code for an evap leak then look up the diagram on the web and test each part/line/hose/valve along the way until I found the problem (stuck solenoid valve, cleaned it for $0.00!).

If you're handy with basic tools, a volt/ohm meter and light computer use you can fix many common problems yourself for little cost. Even if you end up needing the help of a pro mechanic, you'll have the data to help make sure your shop is honest.

The only downside I can report is that obviously you'll have to take your laptop into the car with you while you run the scans. The laptop of course is bulkier to drag out than a pocket sized reader, more fragile, and not really ideal for greasy hands. If you're digging for a problem all day, you'll need to drag a power cord out so the laptop battery doesn't go dead. A minor inconvenience that's worth it since I wanted a good scanner, but didn't want to drop a couple hundred dollars on something I use a couple times a year at most. I use an old retired (expendable!) IBM Thinkpad that's too slow for most things, but runs this little software just fine. If I drop it or get it dirty, I'm not out too much. Plus, I can still pick up wifi in the driveway so I can look the codes up without running in/out to use the PC all greasy and sweaty. Saves time and marriages:-)

Tip 1: Google your car model and the code or part name/problem (IE: "Hyundai Santa Fe Evaporator leak" or "Chevy Truck forums" or "Toyota Corolla code PO5xx") to find forums where other people discuss similar problems and the solutions they found. You'll be amazed at how many cars have model specific/common issues, and how many friendly car enthusiasts write up detailed instructions on how to fix them! The scanner will give you the code, the forums will tell you where things are, what they look like and where that pesky hidden screw is so you don't bust your knuckles or damage something else trying to remove it!

Tip 2-General safety with or without the scanner: If you're working under the dash/steering wheel area, in the doors, or pillars during your repair, always disconnect the battery and avoid use of a test light unless you know the airbag wiring/locations well. An inadvertent poke of a test light into an airbag connector can set it off and cause severe or fatal injury if you happen to be in the way.

Hope this helps!

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