How-to: RESET ECU/Check Engine Light w/o Battery Disconnect - Second Generation Nissan Xterra Forums (2005+)
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  #1  
Old 04-08-2007, 04:59 AM
ahnyoungboi3 ahnyoungboi3 is offline
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Default How-to: RESET ECU/Check Engine Light w/o Battery Disconnect

ok.....sooooooo i dont think anyone on this board has realized that nissan made it possible to reset the ecu w/o having to disconnect the battery and without the use of a scantool.
so this is how you reset the engine ECU

i had to reset becuase i cleaned the TB throttle body and i messed up the idle control sensor.checkengine light came on.....
i sat in the car for like 40 mins trying to remember how i reset the maxima ecu......finally remembered....here it is.

1.)turn the key to the on position (do not crank over the motor....dont start the engine)

2.) wait 3 seconds.... and then fully step on the gas and let go fully 5 times with in 5 seconds....
(ex. wait...3....stomp.stomp.stomp.stomp.stomp

3.)wait 6seconds....(not steppig on gas pedal)

4. FULLY PRESSS down on gas pedal and hold for about 10 seconds.

5.) the check engine light should be flashing.
should be flashing 10times and stop a few seconds and then 10 and stop.....etc.
6. hold down pedal again 10 secs.

7. release pedal.....turn key off.....

8...wait a few seconds and turn the motor on.....check engine light should be gone.


i think dan should sticky this.
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  #2  
Old 05-10-2007, 12:59 AM
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good to know...
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Old 11-14-2007, 10:34 AM
Jasontamu Jasontamu is offline
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good lord......i would have never thought thats how you do it....

- j
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  #4  
Old 11-14-2007, 11:11 AM
miles miles is offline
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thanks...
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  #5  
Old 12-20-2007, 10:04 AM
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is this legit?
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  #6  
Old 12-20-2007, 10:24 AM
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Well, thats very convenient, BUT

--WHAT IF SOMETHING ----IS----WRONG--

--In that case, you're just delaying catastrophy !!!!

--Sorry

-- --JIMBO
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  #7  
Old 12-21-2007, 09:39 PM
k1w1t1m k1w1t1m is offline
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Quote:
Originally Posted by JIMBO
Well, thats very convenient, BUT

--WHAT IF SOMETHING ----IS----WRONG--

--In that case, you're just delaying catastrophy !!!!

--Sorry

-- --JIMBO
If something is wrong the light will come back on. In which case you know to take it in and get the codes read.
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  #8  
Old 12-25-2007, 04:32 PM
ahnyoungboi3 ahnyoungboi3 is offline
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yea....its legit...try it out....and i agree w/ kiwi
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  #9  
Old 12-26-2007, 01:57 AM
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Good info to keep on hand..Ctrl D it is!

Nissan and their funky ways of resettig things, like the air bag lights. Oh well, rather do this than spend the cash to have the dealer clear them.
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  #10  
Old 06-17-2008, 01:27 PM
iepeulas iepeulas is offline
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Is it like the Nissan sentra and the number of times the SES light flashes is the OBDII code?
-----
edit: here's a link
http://www.b15sentra.net/forums/showthread.php?t=76692
----
edit: more info:

Further research indicates that you can indeed pull the code with no tool using this technique. The first flashes are slow, This is the first flashes are the first number in the code (thousands column). The groups of faster flashes coorespond to other numbers in the code. Between each number in the code, there is a pause. Ten flashes equals a zero.

http://www.nissanhelp.com/diy/common...des_read_2.htm
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