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  Engine Controls - DTC P0456 Information  
 
Classification:
EC08-023

Reference:
NTB08-102

Date:
October 24, 2008

NISSAN; DTC P0456 DIAGNOSTIC INFORMATION

APPLIED VEHICLES:
2008 Maxima (A34), Quest (V42), Pathfinder (R51), Frontier (D40), Xterra (N50) 2009 All Models

SERVICE INFORMATION

- On-Board Diagnosis of Diagnostic Trouble Code (DTC) P0456 for the Applied Vehicles is sometimes performed when the engine is not running.

- This is known as Engine Off Natural Vacuum (EONV) Diagnosis

- The following Freeze Frame Data is NORMAL when DTC P0456 is stored during EONV Diagnosis:

  

Note the minus values for two lines of data.

Refer to the EC Section of the appropriate Electronic Service Manual (ESM) for further diagnostic information for DTC P0456.

  

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