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Post Info TOPIC: I/M Readiness Error? (Moved From Old Forum)


Guru

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Date: Mar 1, 2010
I/M Readiness Error? (Moved From Old Forum)
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I/M Readiness Error?

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MrGoodwrench

mr%2520goodwren

Posts: 129
Join date: 2009-11-17

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PostSubject: I/M Readiness Error?   icon_minitime.gifThu Nov 19, 2009 11:04 pmReply with quote Edit/Delete this post Delete this post

Here's a strange one I got from a friend who works at trade school. They have a ET97/CReader V hooked up to a 2003 Nissan Maxima, the ET97 indicates that the I/M monitors are all complete, but when they hook it up to the smog machine, it fails the O2 monitor. I told them to update and get back to me, I figured I would throw this out for any of you smog techs out there.

Thanks,

Mr. G


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Date: Mar 31, 2010
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Hi,

On the CReader V I/M Readiness list, the first type information you see listed is support of continuous monitors, shown as "EVAL: ", which all three are always "SUPPORTED" (Misfire, Fuel System, and Comprehensive). 

The next information is the status of the three continuous monitors, shown as "CONT: ", which should read "COMPLETE OR N/A"

The next information down the list is for non-continuous monitor support  "SUPP:  " which indicates whether each monitor is supported or unsupported by the vehicle's on board system.

Last on  the list is the status "STAT: ", displayed for each non-continuous monitor bit (COMPLETE or INCOMPLETE).

One problem I see often with CReader V is it will show:

SUPP: Catalyst
            INCOMPLETE

...then scroll down and see

STAT: Catalyst
            COMPLETE OR N/A

(SUPP: Catalyst    should show "SUPPORTED", not "INCOMPLETE")


It would be more intuituve to me to just list all the OBDII Monitors, then either show N/A, INCOMPLETE, or COMPLETE. next to each monitor.  This is how most other scan tools and code readers do it.

I was initially confused/misled using the CReader V to check monitor status when I first started using the tool. 


 



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Mike Van Dyke
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ASE Master Auto, L1, Medium/Heavy Truck, CA Emissions

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