Nissan engine-off DTC

This TSB applies to DTC P0456 found in 2008 Nissan Pathfinder, Maxima, Quest, Frontier and Xterra models, and all 2009 models.

On-board diagnosis of DTC P0456 is sometimes performed and stored 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:

CAL/LD VALUE…………………0%

COOLANT TEMP……………… -40 Fahrenheit

L-FUEL TRM-B1………………. .100%

L-FUEL TRM-B2……………….. 100%

S-FUEL TRM-B1………………. 100%

S-FUEL TRM-B2………………..100%

ENGINE SPEED………………..0 rpm

VEHICLE SPEED……………….0 mph

INT MANI PRES…………………0 psi

ABSOL TH-P/S………………….0.00%

B/FUEL SCHDL………………….0.0 msec

INT/S TEMP SE…………………-56 Fahrenheit

FUEL SYS-B1……………………Mode5

FUEL SYS-B2……………………Mode5

COMBUST CONDITION………...Mode1

Tags: Nissan, Nissan Pathfinder, diagnostic, engine, cars

Thursday, 12 February 2015 07:33

Related items

LSPI: What you should know
LSPI stands for low speed pre-ignition, an issue that is limiting the extent to which oems can use engine downsizing, here’s what you should... Read more
Audi remote key communication
This TSB applies to all 2000-2010 Audi models. Potential issue: central locking via the remote control doesn’t work either sporadically or permanently, but the locks can be operated... Read more
Metal 3D printing: technology of the future for lighter and more compact engines
A team of Renault Trucks engineers and designers is working on an additive manufacturing process – metal 3D printing – that is set to boost the performance of engines. Technology of the future is fast becoming a reality, as can be seen from the complex parts that have already been successfully tested inside a Euro 6... Read more
High court to hear VW emissions group litigation request
Harcus Sinclair UK Limited, a UK law firm specialising in large group litigation, has applied for a group litigation order in claims against VW, Audi, SEAT and Skoda arising out of the Volkswagen emissions scandal, which has affected 1.2 million cars in the UK alone. This is the first group litigation order sought in relation to the VW emissions scandal on behalf of UK... Read more
Toyota TPMS Communication Loss
This bulletin applies to a loss of TPMS tire registration with the ECU on 2007-2009 Toyota Tundra SR5 vehicles (as well as Avalon, Camry, RAV4,... Read more