Engine-Codes - Nissan - P1286 2005 Nissan Maxima

P1286 2005 Nissan Maxima Code - Air Fuel Ratio Sensor 1 Circuit High Voltage Detected Bank 2

- Code Popularity: 3,161 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
Table of contents

|What are the Possible Causes of the Code P1286 2005 Nissan Maxima?

  • Faulty Air Fuel Ratio (A/F) Sensor 1 Bank 2
  • Air Fuel Ratio (A/F) Sensor 1 Bank 2 harness is open or shorted
  • Air Fuel Ratio (A/F) Sensor 1 Bank 2 circuit poor electrical connection

|How to Fix the P1286 2005 Nissan Maxima Code?

Start by checking 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.

|What is the Cost to Diagnose the Code P1286 2005 Nissan Maxima?

Labor: 1.0

The cost to diagnose the P1286 2005 Nissan Maxima code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|When is the P1286 2005 Nissan Maxima Code Detected?

The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 0V.

|What are Code P1286 2005 Nissan Maxima Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Possible rough engine idle

|What Does the P1286 2005 Nissan Maxima Code Mean?

The A/F sensor is a planar dual-cell limit current sensor. The sensor element of the A/F sensor is the combination of a Nernst concentration cell (sensor cell) with an oxygen-pump cell, which transports ions. It has a heater in the element.
The sensor is capable of precise measurement λ= 1, but also in the lean and rich range. Together with its control electronics, the sensor outputs a clear, continuous signal throughout a wide λ range (0.7 < λ < air).
The exhaust gas components diffuse through the diffusion gap at the electrode of the oxygen pump and Nernst concentration cell, where they are brought to thermodynamic balance.
An electronic circuit controls the pump current through the oxygen-pump cell so that the composition of the exhaust gas in the diffusion gap remains constant at λ = 1. Therefore, the A/F sensor is able to indicate air/fuel ratio by this pumping of current. In addition, a heater is integrated in the sensor to ensure the required operating temperature of 700 - 800 C (1,292 - 1,472 F).

Air Fuel Ratio Sensor 1 Circuit High Voltage Detected Bank 2

|Need more Information on the P1286 2005 Nissan Maxima Code?

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|Need Help with the P1286 2005 Nissan Maxima Code?

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