|Item Weight||3.2 ounces|
|Package Dimensions||9.5 x 8.1 x 1.1 inches|
Crescent USB OBD2/EOBD Multi-Protocol Car Diagnostic Tool Auto Scanner
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It worked right off, telling me of a minor problem (somewhat flakey coolant thermostat) - an easy fix.
Regarding complaints that the LEDs face down - the label peels off easily, exposing four screws. Removing them lets you pop the top off, rotate the OBD II connector and reassemble. Then they will face up for you.
As far as the LEDs - you don't ever need them anyway. And there's no documentation as to their function. But if you want to know, they are (left to right):
Yellow - OBD II TX
Green - OBD II RX
Yellow - RS-232 TX
Green - RS-232 RX
Red - Power
The TX/RX pairs flash when data is being transferred between the cable's microprocessor and the vehicle (OBD II) or your computer (RS-232). The Power LED lights when the cable has power, either from your USB port or from the vehicle's OBD II connector.
So it does what it claims, it is as future-proof as you could ask (all the software runs on your PC and can be upgraded), it's inexpensive, it's small. Pretty hard to beat!
Jim Horn, Electrical Engineer for 34 years
Well, I let this slip until the notice for emissions testing came. I figured if it worked out, the purchase of this OBD solution would pay for itself. The code I picked up was the P1155 code for one of the pre CAT air/fuel sensors. After looking the information up online and finally getting straight which sensor of the two the P1155 related to (its the one poking out of the heat shield), everything works. So, before factoring in the price of this cable, the part was 170 dollars or so. Minus the markup the mechanic would do on the part plus the at least hour labor, I saved the equivalent of the part and could have bought a few of these cables to break even.
Really this is a nice solution and the software that comes with the cable will work. There are a few choices on the CD, so try them all.
The device and software will also display a lot more real-time data. You can drive around the block with the lap-top on the passenger seat, and the real-time data is displayed in the software. Although - for me - I was just thrilled to retrieve the fault code(s), and didn't use the real-time data.
For you computer geeks out there - the USB driver actually transmits the data through a virtual serial port - so you can easily retrieve the data from a Visual Studio .net custom application. I tried that out, and it worked great. But, you can't retrieve any more data than the software that came with the product... but, it was fun to mess around with.
This is a ELM based adapter (vs. a "dumb" adapter) and therefore I was a little bummed that it wouldn't work with Nissan Data Scan II software (requires a "dumb" adapter). Not the adapter's fault but just wanted to throw that out there in case someone is hoping to use this with NDS software. Such a low price I am considering just keeping it in addition to my stand alone OBDII scanner and my new "dumb" one which is coming in.