Engine-Codes
 
OBDII Code List
 
P1031 2005 NISSAN SENTRA

P1031 2005 NISSAN SENTRA - Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 1

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What does this mean?

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

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 2005 Nissan Sentra 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 2005 Nissan Sentra - Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 1 - Engine-Codes.com

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