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DiscoWeb Bulletin Board » Message Archives » 2003 Archives - Discovery Technical » Archive through April 10, 2003 » Help - How do you run OBD II Drive Cycle Tests?? « Previous Next »

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Matt Olson (Matt)
New Member
Username: Matt

Post Number: 5
Registered: 03-2003
Posted on Friday, April 04, 2003 - 09:20 am:   Edit Post Delete Post Print Post

I reset my MIL and need to know how to run the OBD II Drive Cycle Tests for Catalyst Monitor, Oxygen Sensor Monitor, Oxygen Sensor Heater Monitor. Any help would be greatly appreciated!
 

Paul Long (Humveewannabe)
New Member
Username: Humveewannabe

Post Number: 10
Registered: 03-2003
Posted on Friday, April 04, 2003 - 04:10 pm:   Edit Post Delete Post Print Post

The "Drive cycle test" is the type of driving done during the road test to give a good indication of all components being tested. Is your question "how to record the test drive and play it back"; "how to drive during the road test", or "how to test 02 sensors"? When I click the 02 tab, I get "Data will be invalid. 02 sensor monitoring not supported".
 

Matt Olson (Matt)
New Member
Username: Matt

Post Number: 6
Registered: 03-2003
Posted on Friday, April 04, 2003 - 11:56 pm:   Edit Post Delete Post Print Post

I can't go to get rechecked for emissions until the C, O, and OH monitor tests are complete and "ready", or I will fail the test. I was wondering how I can make these test complete faster. Or is just driving and waiting the answer?
 

Paul Long (Humveewannabe)
New Member
Username: Humveewannabe

Post Number: 13
Registered: 03-2003
Posted on Saturday, April 05, 2003 - 07:05 am:   Edit Post Delete Post Print Post

From obd-2.com; Mode 04 will allow you to connect to your vehicle's main server and erase all diagnostic files. No password is required but you will be prompted to make sure you want to do this. If on, the check engine MIL light will be extinguished, trouble codes will disappear, all testing can be aborted and declared incomplete, with monitoring restarted. Note it can take several days to monitor and complete a final exam depending on the way you drive. Do not press this button if you have an appointment with an enhanced inspection station within 48 hrs.

 

Matt Olson (Matt)
New Member
Username: Matt

Post Number: 7
Registered: 03-2003
Posted on Sunday, April 06, 2003 - 09:50 pm:   Edit Post Delete Post Print Post

Does anyone have any experience in how long these monitoring systems actually take to complete their test?
 

Ron Brown (Ron)
Member
Username: Ron

Post Number: 221
Registered: 04-2001
Posted on Monday, April 07, 2003 - 12:52 am:   Edit Post Delete Post Print Post

The longest drive cycle I know of is 1.2 hours.

Ron

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