Emissions - MIL ON/DTC P1402 Set
Classification: EC05-006AReference: NTB05-037A
Date: June 11, 2009
MIL "ON" WITH DTC P1402 (EGR OPEN) CODE STORED
This bulletin has been amended. The Claims Information has updated. No other changes have been made.
APPLIED VEHICLE(S):
2004-2005 Maxima (A34) and Quest (V42)
2005 Altima (L31) w/VQ35 Engine
IF YOU CONFIRM
The MIL is ON and code P1402 EGR OPEN is stored in the ECM.
ACTION
^ Inspect the EGR valve for metallic debris. See the Service Information section of this bulletin for the specific inspection procedure.
^ If metallic debris is present, replace the Bank 1 catalyst and EGR valve.
PARTS INFORMATION
CLAIMS INFORMATION
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 the repair.
SERVICE INFORMATION
1. Remove the EGR valve as per the EM section of the respective ESM.
2. Inspect the EGR valve for metallic flake debris. (see Figures 1 and 2)
3. If metallic debris is present in the EGR valve, remove Bank 1 catalyst (rear of engine) as per EM section of the respective ESM.
4. Inspect both the top and bottom of the catalyst.
^ Bank 1 Catalyst - viewed from the top. (see Figure 3)
5. If the catalyst has loose material as seen if Figure 3 above, blow out the debris from interior of Bank 1 exhaust manifold. Remove the EGR valve and tube, and then blow out any debris from the EGR valve and tube.
6. Replace the Bank 1 catalyst and EGR valve in the reverse order of removal.
7. Clear stored code P1402 from the ECM memory.
Disclaimer