If you don't have one, you can perform the "HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION" procedure manually, or you can just disconnect the battery and wait.Įxtracts from the Engine Control (EC) section of the 2006 Xterra service manual Note that steps 6 through 8 are easy if you have a language. I haven't checked the manuals for other years yet, but I would ASSUME (as in maybe YOU shouldn't) that the procedure is the same. Here are the relevant excerpts from the 2006 service manual. I would appreciate a second opinion from somebody, please, in case I'm sadly mistaken!
It takes a bit longer than that, but the basic trick is to disconnect the MAF for at least 5 seconds. Here's how to reset the "air-fuel ratio self-learning control value" (discussed along with "ECU relearning" as "reset the ECU" or "ECU reset" in other threads) without disconnecting the battery, waiting for some unknown number of minutes or hours, and losing other settings as the radio station presets in the process. I was looking in the service manual for information about the mass air flow sensor when I stumbled upon a handy procedure.
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