Exactly...supposedly driving the car for that amount of time will go
through
all the setpoints to satisfy the monitors but it's not a guarantee. Nissan
has a TSB that gives "drive traces" that you have to follow exactly that
satisfies the monitors. This problem only applies to 96 & 97 Nissans (as
far
as Nissans) and I'm unlucky enough to own one. Here's one link that
explains
it better:
http://www.asashop.org/autoinc/nov2003/techtips.htm
"codifus" <codifus@[EMAIL PROTECTED]
> wrote in message
news:0b9cbd9c-5da4-4a02-9027-38ab0bcbc7bb@[EMAIL PROTECTED]
> On Dec 13, 10:25 am, "JW" <j...@[EMAIL PROTECTED]
> wrote:
>> I'm having difficulty finding anyone that knows about this...evidently
>> this
>> Nissan has hard to clear monitors.
>>
>> Had a dead knock sensor in our 96 GXE (VQ30DE) so I replaced it then
>> reset
>> the ECM. Just drove it 78 miles and tested...no DTCs but the following
>> monitors had not completed: Catalyst Monitor; Eva****ative System
>> Monitor;
>> Oxygen Sensor Monitor. I was under the assumption that all you had to
do
>> was drive it 60 miles for all the monitors to complete but, after
talking
>> to
>> a somewhat helpful mechanic was told that the car had drive cycles that
>> were
>> things like...drive for so many miles at a certain speed, let it cool,
>> and a
>> few other things I can't remember. Apparently each car is different and
>> I'm
>> hoping someone here can point me to what they are so I can get them
>> cleared
>> so I can complete the state inspection. Thanks for any help. Thanks
for
>> any
>> help.
>
> I don't know the answer but this related topic may help:
>
> When taking your car for inspection I've been told that if you reset
> the ECU, you have to wait 2 weeks in order for the car to be able to
> pass inspection by reading the computer. My guess is that's how long
> you'll have to wait as well, and I mean wait to check the computer
> again while driving the car, not just have it sit there, of course.
>
>
> Hope this helps
>
> CD
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