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Nissan Altima Mixture Ratio Self-Learning Control Procedure

Nissan Altima Mixture Ratio Self-Learning Control Procedure

The Nissan Altima Mixture Ratio Self-Learning Control Procedure is required if you replace an air/fuel ratio (commonly referred to as an oxygen sensor), Mass Airflow (MAF) sensor. The procedure applies to the Nissan Altima vehicles listed below

1999 Nissan Altima
2000 Nissan Altima
2001 Nissan Altima
2002 Nissan Altima
2003 Nissan Altima
2004 Nissan Altima
2005 Nissan Altima
2006 Nissan Altima
2007 Nissan Altima
2008 Nissan Altima
2009 Nissan Altima
2010 Nissan Altima
2011 Nissan Altima
2012 Nissan Altima

Nissan Altima Mixture Ratio Self-Learning Control Step-by-Step Procedure

1 Start the engine and let it warm it up to normal operating temperature.

2 Turn off the engine and move the key to the OFF position.

3 Disconnect the MAF connector. Then restart the engine and let it run engine for at least 3 seconds at idle speed.

4 Turn off the engine and move the key to the OFF position. Reconnect the MAF connector.

5 Restart the engine. The check engine light should be on and P0102 code should be stored in the ECM.

6 Using your scan tool or code reader, erase the P0102 trouble code. If you don’t have a scan tool or code reader, turn off the engine and move the key to the OFF position. Then disconnect the battery terminals and touch them together for 2-minutes. This will wipe out the stored code and all adaptive memory.

7 Restart the engine make sure the check engine light is out. Continue running the engine (don not drive it) at idle speed for at least 10 minutes.

©, 2020 Rick Muscoplat

 

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