AutoCodes - OBDII Code List - P1031 2004 INFINITI G35

P1031 2004 INFINITI G35 - Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 1

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3    What is this?
Table of contents

P1031 2004 INFINITI G35 Possible Causes

  • Faulty Air Fuel Ratio Sensor 1 Bank 1
  • Air Fuel Ratio Sensor 1 harness is open or shorted
  • Air Fuel Ratio Sensor 1 circuit poor electrical connection

How do I fix code P1031 2004 INFINITI G35?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
How much do you know about cars?

Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge

Play Now

Tech Notes

There is a Factory Service Bulletin for the 2004 Infiniti G35:
2004 Infiniti G35 Factory Service Bulletin OBDII Code P1031

The bulletin suggests reprogramming the Engine Control Module (ECM) first before replacing any parts.

Cost of diagnosing the P1031 2004 INFINITI G35 code

Labor: 1.0

The cost of diagnosing the P1031 2004 INFINITI G35 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected?

The current amperage in the heated air fuel ratio (A/F) sensor 1 heater circuit is out of the normal range. An excessively low voltage signal is sent to Engine Control Module (ECM) through the heated air fuel ratio (A/F) sensor 1 heater.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1031 2004 INFINITI G35 Description

The Engine Control Module (ECM) performs ON/OFF duty control of the Air Fuel Ratio (A/F) sensor 1 heater corresponding to the engine operating condition to keep the temperature of A/F sensor 1 element at the specified range.
OBDII Code P1031 2004 Infiniti G35 - Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 1 - AutoCodes.com

More Information

Need more information on how to fix the P1031 2004 INFINITI G35 code?
Get Access to Factory Service Manuals

Need more help?

Get the P1031 2004 Infiniti G35 code diagnosed by a professional: Find a repair shop in your area

Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1031 2004 Infiniti G35 code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧