nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Engine Control - MIL ON, P1031 & P1148/Reprogram PCM|Page 8744 > < Engine Controls - MIL ON/DTC P0462 Stored|Page 8739
Page 1
background image

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

Engine Control - MIL ON, P1031 & P1148/Reprogram PCM|Page 8744 > < Engine Controls - MIL ON/DTC P0462 Stored|Page 8739