Sentra L4-1.8L (QG18DE) SULEV (2003)
Technical Service Bulletin # 04-037
Date: 040311
Engine Control - MIL ON, P1031 & P1148/Reprogram PCM
Classification:
EC04-010
Reference:
NTB04-037
Date:
March 11, 2004
2003 SENTRA WITH QG18DE SULEV; MIL "ON" WITH DTC P1031/P1148, A/F SENSOR HEATER/CLOSED LOOP
APPLIED VEHICLES:
2003 Sentra (B15) with QG18DE SULEV* only
* California emission specification.
IF YOU CONFIRM:
A MIL "ON" with the following DTC(s) stored:
^
P1031 (A/F Sensor Heater), and/or
^
P1148 (A/F Sensor Closed Loop Control),
ACTIONS:
Step A: Confirm this bulletin applies:
^
Check the Current ECM Part Number.
^
Compare your Current ECM Part Number to Chart A.
If that part number does not match one in Chart A, this bulletin does not apply. Go back to ASIST for further diagnostic and repair information.
Step B: Reprogram the ECM.
Step C: Perform A/F Sensor test to confirm proper air/fuel ratio.
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 this repair.
Disclaimer
Service Procedure
Step A: Confirm This Bulletin Applies