Nissan actually has a procedure to access the fault codes and to erase them and reset the computer. Asked by RonnieMac255 Oct 06, 2014 at 05:02 PM about the 2003 Nissan Altima 2.5. 2005 Nissan Altima 2.5 S-Maintenance & Repair. 5. elwesso Moderator Posts: 34280 Joined: Sun Feb 23, 2003 4:52 pm Car: 94 Q45t 5 speed, 2007 BMW M Coupe, 2007 G35S 6MT Location: Indiana Contact: it's a low level computer reset, and will reset much more than a cheap OBD scanner will be able to reach. Altima Manually Pull and Read Check Engine Light Codes CEL/SES This article shows you how to read/pull the fault codes, usually accompanied by a Check Engine Light or Service Engine Soon, on your Altima with push button start. As soon as they hit, all power left in the electrical system is drained. 2011 Nissan Altima 2.5 S-Maintenance & Repair. yes, you can do that with the battery cables. ECU Accelerator Pedal Reset Procedure Note: Timing is critical for this to work 1. Dash gauges lit. Turn the ignition switch to on. technically you don't even need to hold them together for 30 seconds. Question type: Maintenance & Repair. Wait 7 to 10 seconds. The 2 most common ways to reset your car computer is by either unplugging the battery or by resetting the fuse related to the engine control module. 2 Answers. How do I reset 2002 Nissan altima anti theft system 4 … Nissan only uses one light --- the service engine soon light --- to take care of these functions. (Click start button twice without your foot on the brake) 2. Will disconnecting battery reset ECU? Wait 3 seconds. 4. Turn the ignition switch to the “off” position and wait 10 seconds. Reset 2011 Nissan Altima Computer 6 Answers. Disconnect the battery and Switch the ignition key to the on position for about 15 minutes should reset … 2 Answers. Question type: Maintenance & Repair. The majority of late model cars have a check engine light for the computer and a service engine soon light for required maintenance like oil changes. Asked by RonnieMac255 Oct 06, 2014 at 05:02 PM about the 2003 Nissan Altima 2.5. … My car won't pass the California Omission test, I am being told the computer needs to be reset. Fully depress and release the accelerator pedal 5 times within 5 seconds. How do I reset my computer in a nissan altima 2005 2 Answers. The check engine keeps going on and off and I recently changed the Mass air flow sensor. Do I need to go to the dealer to get my computer reset? / how to reset computer. You do not need an … if i changed my alternator do i need to reset my computer 7 Answers. For example: On a 2002 Nissan Altima, there is an accelerator-pedal-released-position learning procedure as follows: With the accelerator pedal fully released, turn the ignition switch to the “on” position and wait two seconds. 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