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Thread: OBDII drive cycle - I found the Mazda document!

  1. #1
    Registered Member

    1996 Mazda Miata

    Join Date
    Feb 2013
    Location
    Houston, TX
    Posts
    1

    OBDII drive cycle - I found the Mazda document!

    My '96 failed emissions because I had to replace my battery so the inspection station told me to drive it a while and then retest. When I retested it failed again. In searching the Internet I found I was supposed to run a "Drive Cycle", what ever that was. More searching lead me to find the real scoop, a Mazda document called "OBD-II Single drive mode" which details all the drive cycles for the various modes. This document can be found on the National OBD Clearinghouse website. The front page of the document lists the 1996 to 2003 years and models covered.

    In my case the numbers are different from what I found posted on various forums. The worst part of the drive cycle is trying to find somewhere to drive the car at 13 to 36 MPH in 3rd gear for 13 minutes, approximately 7 miles as there does not seem to be any indication of stopping during that period.

  2. #2
    Registered Member

    Mazda Miata MX-5 2003

    Join Date
    May 2018
    Location
    Glenn Heights, Texas
    Posts
    1
    Quote Originally Posted by sccatech View Post
    ...a Mazda document called "OBD-II Single drive mode" which details all the drive cycles for the various modes. This document can be found on the National OBD Clearinghouse website.
    Thank you for that helpful information, sccatech. That document is still there five years later (whew!). Here is the direct link to it:

    http://future.obdclearinghouse.com/d...ycle_96-03.pdf

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