Engine Controls - MIL ON/DTC P0420 Stored In Memory: Overview

Classification: EC09-010

Reference: NTB09-046

Date: June 12, 2009

2004 - 2005 ALTIMA; DTC P0420 WITH SULEV QR25DE ENGINE

APPLIED VEHICLES:
2004-2005 Altima (L31)

APPLIED ENGINE:
SULEV QR25* ENGINE ONLY
*California emission specification - Super Ultra Low Emissions





APPLIED VIN / DATE: (Smyrna production)





APPLIED VIN / DATE: (Canton production)

IF YOU CONFIRM

DTC P0420 is stored in the ECM.

DETERMINE IF:

This bulletin applies by checking the ECM Part Number. You will do this by performing steps 1 and 2 in the Service Procedure.

NOTE:
If this bulletin does not apply, use ASIST for further diagnostic and repair information.

ACTIONS:

If this bulletin applies:

1. Install the Repair Kit listed in the Parts Information.

^ Repair kit includes exhaust manifold and three way catalyst assembly and the front exhaust tube (under floor catalyst).

2. Reprogram the ECM with CONSULT-II using the ECM I.D. Code.

IMPORTANT:
The purpose of "ACTIONS" (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire Service Procedure as it contains information that is essential to successfully completing this repair.





PARTS INFORMATION





CLAIMS INFORMATION





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