Interesting, SES went out :)
Thread Starter
Senior Member
Joined: Apr 2003
Posts: 341
Interesting, SES went out :)
The SES light has been on since my MAF failure a week & a half ago. I changed the MAF myself so the light never went off. When I got in the car this morning I noticed the light went off by itself 
. I thought I would have to take it to Advance or disconnect the battery for a day or two to get rid of it. It must after a period of time... anyone confirm this?
. I thought I would have to take it to Advance or disconnect the battery for a day or two to get rid of it. It must after a period of time... anyone confirm this?
Auuuugh....In OTHER words
Originally posted by 10e
Hey,
If the problem goes away the ECU will remove the error out of it's workspace after a pre-determined time period or number of trips (ie. starting and driving the car).
Regards,
10e
Hey,
If the problem goes away the ECU will remove the error out of it's workspace after a pre-determined time period or number of trips (ie. starting and driving the car).
Regards,
10e
Originally posted by IceY2K1
MIL QUICK Summary
Let me explain some things about how the OBD-II(On Board Diagnostic) System works on our car.
MIL - Malfunction Indicator Lamp(aka CEL - Check Engine Light)
DTC - Diagnostic Trouble Code
1) There are different "conditions" and "modes" that trigger a MIL to come on. Basically, if a problem is detected ONCE the 1st Trip DTC is stored. If the SAME malfuction is detected TWICE the 2nd Trip DTC is stored AND the MIL comes on. If the vehicle is driven 3-times with NO malfunction the MIL will turn off. If another happens the counter is reset.
2) Most DTC and "freeze frame"(sensor values/operating conditions when the DTC was logged) are stored until the vehicle is driven 40-trips. Therefore, your dealer will know what triggered the DTC(ex. 100+% WOT on a 2K2). A trip is not necessarily one start/stop of the engine. Your ECU must see the same A, B , C type "driving pattern" in which the ECU detected the malfunction.
3) For Misfire and Fuel Injection Systems the DTC and freeze frame are stored for 80-trips withOUT the same malfunction recurring.
4) Some scan tools such as the one I bought from http://www.obd-2.com/ will clear the DTC and turn off the MIL. Also, either a Scan Tool OR unplugging the POSITIVE OR NEGATIVE(easier) battery terminal for APPROXIMATELY 24hrs.(sometimes LESS) will erase:
[list=a][*]DTC [*]1st Trip DTC [*]Freeze Frame Data [*]SRT(System Readiness Test) codes(Used for Emission Testing) [*]Test Values [*]More [/list=a]
MIL QUICK Summary
Let me explain some things about how the OBD-II(On Board Diagnostic) System works on our car.
MIL - Malfunction Indicator Lamp(aka CEL - Check Engine Light)
DTC - Diagnostic Trouble Code
1) There are different "conditions" and "modes" that trigger a MIL to come on. Basically, if a problem is detected ONCE the 1st Trip DTC is stored. If the SAME malfuction is detected TWICE the 2nd Trip DTC is stored AND the MIL comes on. If the vehicle is driven 3-times with NO malfunction the MIL will turn off. If another happens the counter is reset.
2) Most DTC and "freeze frame"(sensor values/operating conditions when the DTC was logged) are stored until the vehicle is driven 40-trips. Therefore, your dealer will know what triggered the DTC(ex. 100+% WOT on a 2K2). A trip is not necessarily one start/stop of the engine. Your ECU must see the same A, B , C type "driving pattern" in which the ECU detected the malfunction.
3) For Misfire and Fuel Injection Systems the DTC and freeze frame are stored for 80-trips withOUT the same malfunction recurring.
4) Some scan tools such as the one I bought from http://www.obd-2.com/ will clear the DTC and turn off the MIL. Also, either a Scan Tool OR unplugging the POSITIVE OR NEGATIVE(easier) battery terminal for APPROXIMATELY 24hrs.(sometimes LESS) will erase:
[list=a][*]DTC [*]1st Trip DTC [*]Freeze Frame Data [*]SRT(System Readiness Test) codes(Used for Emission Testing) [*]Test Values [*]More [/list=a]
Check the FAQ sticky above for LOTS of useful information.
Thread Starter
Senior Member
Joined: Apr 2003
Posts: 341
You know the funny thing about that is I'm the one who came up with the idea to replace the "Newbie" with info about search/FAQ under new user's names
I was just so excited the light went out I thought I'd share.
I was just so excited the light went out I thought I'd share.
Originally posted by Pir8 97
You know the funny thing about that is I'm the one who came up with the idea to replace the "Newbie" with info about search/FAQ under new user's names
I was just so excited the light went out I thought I'd share.
You know the funny thing about that is I'm the one who came up with the idea to replace the "Newbie" with info about search/FAQ under new user's names
I was just so excited the light went out I thought I'd share.
So YOU are the one, eh?
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