P1031 NISSAN Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 1

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

Tech description

There is a service bulletin for the following models:

2005-2006 Nissan Altima
2005-2006 Nissan Altima Factory Service Bulletin OBDII Code P1031

2004 Nissan Maxima w/ 5 Speed Automatic Transmission
2004 Nissan Quest w/ 5 Speed Automatic Transmission
2004 Nissan Maxima, Quest Factory Service Bulletin P1031 OBDII Code

2004 Nissan Maxima w/ Manual Transmission or 4 Speed Automatic Transmission
2004 Nissan Quest w/ 4 Speed Automatic Transmission
2004 Nissan Maxima, Quest Factory Service Bulletin P1031 OBDII Code

2004 Nissan Armada
2004 Nissan Titan
2004 Nissan Armada/Titan Factory Service Bulletin OBDII Code P1031

When is the obd code mean?

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.

Symptoms

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

P1031 NISSAN OBD Code 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.

NISSAN Related P1031 code