P1031 2005 INFINITI G35 - Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 1
P1031 2005 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 2005 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.
P1031 2005 INFINITI G35 Tech NotesThere is a factory service bulletin for the following Infiniti models:
2004-2005 Infiniti G35 Sedan
Infiniti 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 2005 INFINITI G35 code
Labor: 1.0The cost of diagnosing the P1031 2005 INFINITI G35 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
When is the P1031 2005 INFINITI G35 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.
P1031 2005 INFINITI G35 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1031 2005 INFINITI G35 MeaningThe 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.
P1031 2005 INFINITI G35 More InformationNeed more information on how to fix the P1031 2005 INFINITI G35 code?
Get Access to Factory Service Manuals