October 24, 2008
NISSAN; DTC P0456 DIAGNOSTIC INFORMATION
2008 Maxima (A34), Quest (V42), Pathfinder (R51), Frontier (D40), Xterra (N50) 2009 All Models
||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.