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OBDII Or CAN scanner...

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Old Mar 28, 2007, 08:33 AM
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OBDII Or CAN scanner...

I want to get a scanner tool for my 2005 lancer Es could someone tell me if i need the CAN or can i just by the OBDII, Thanks.
Old Mar 28, 2007, 09:57 AM
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Obdii
Old Mar 28, 2007, 09:58 AM
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dont even know what CAN is...but our cars are OBDII/ISO if that helps...

I have this : http://www.myscantool.com/, their having a sale fyi, good for checking trouble codes...
and EvoScan, which is a datalogger, but you need a laptop for both of those
Old Mar 28, 2007, 01:38 PM
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I may be mistaken, but I think CAN is for ECUs that control more than the engine. Some cars have electronic options that go through the ecu such as A/C,Windows,Defrost and a bunch of other stuff.

It's been 2 years since I looked into it, but I think that's what it was... Google it for more info
Old Mar 29, 2007, 12:51 PM
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Actually OBDII is the protocol. CAN refers to the datalink type. A CAN scanner could be used to read more than one protocol (like japanese imports and us domestics and europeans). However for our cars you want an OBDII compliant scanner.
Old Mar 29, 2007, 05:14 PM
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CAN(Controller Area Network) is just a new protocol for the obd2 system that the goverment require all manufacturers to have it on their cay by 2008. It transfer data alot faster then the old type obd2.
Old Mar 30, 2007, 05:50 AM
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I stand corrected
Old Mar 30, 2007, 07:32 AM
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Alright, if you want to get technical here's the low down.

CAN does stand for Controller Area Network. However it is not a protocol. It is as the name suggests a physical network structure. I don't know about the governement mandate, but I doubt that is accurate.

OBDII is actually a governmental standard for vehicle data related to emmissions. It was preceeded by OBDI and replaced OBDI as the the required standard in 1996 (hence all vehicles built for the US market from 1996 til now are OBDII compliant).

Protocols that are commonly used on OBDII compliant vehicles include:
ISO15765-4 (CAN)
ISO14230-4 (KWP2000)
ISO9141-2 (ISO)
J1850 VPWM
J1850 PWM
J1939

These are not necessarily all on a CAN based network some use other networks.

GM is generally VPWM, Ford PWM, European is generally CAN, and most Japanese are ISO. KWP2000 is used on many European cars like Puegeot and Renault.

I believe our cars use the one commonly known as ISO (ISO9141-2), but I am not positive on that. If you get a scan tool at autozone it should work fine, but you could also get an ELM or mOByDic based interface and some computer software.

Last edited by krimson_binome; Mar 30, 2007 at 02:31 PM.
Old Mar 30, 2007, 07:41 AM
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You could also look into Auterra.
That's what I got and it works great. I used it on my laptop and my pda.
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