AutoCodes – Infiniti – P0052 2006 Infiniti G35

P0052 2006 Infiniti G35 Code - Air Fuel Ratio Sensor 1 Heater Bank 2 Control Circuit High

Quick Answer

Air-Fuel Ratio (A/F)sensor need to reach a minimum operating temperature of 1200 degrees F to produce an accurate voltage signal. Common causes include Faulty Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1, Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 harness is open shorted to ground, Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P0052 2006 Infiniti G35 indicates Air Fuel Ratio Sensor 1 Heater Bank 2 Control Circuit High.
Common causes
Common causes include Faulty Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1, Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 harness is open shorted to ground, Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 circuit poor electrical connection.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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Code Popularity 4,306
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 01, 2024
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Code P0052 2006 Infiniti G35 Description

Air-Fuel Ratio (A/F)sensor need to reach a minimum operating temperature of 1200 degrees F to produce an accurate voltage signal. The faster the air-fuel ratio sensor reaches that temperature the faster the sensor will start sending an accurate signal to the Engine Control Module (ECM).
In order to achieve the require temperature, a heater element is included inside the air-fuel ratio sensor. The ECM controls the air-fuel ratio sensor heater element based on signals from the engine coolant temperature and engine load. The ECM controls the heater element circuit by allowing current flow to ground.
The ECM monitors the voltage signal received through the heater element circuit and determines the state of the circuit by comparing the voltage detected with the factory specifications.
OBDII Code P0052 2006 Infiniti G35 - Air Fuel Ratio Sensor 1 Heater Bank 2 Control Circuit High - AutoCodes.com
P0052 2006 Infiniti G35 Code - Air Fuel Ratio Sensor 1 Heater Bank 2 Control Circuit High

What are the Possible Causes of the DTC P0052 2006 Infiniti G35?

  • Faulty Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1
  • Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 harness is open shorted to ground
  • Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0052 2006 Infiniti G35?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0052 2006 Infiniti G35 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0052 2006 Infiniti G35 code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0052 2006 Infiniti G35 Code

1. What are common symptoms of OBDII code P0052 in a 2006 Infiniti G35?

The common symptoms of code P0052 in a 2006 Infiniti G35 include poor fuel efficiency, rough idling, and the illumination of the check engine light.

2. What does the OBDII code P0052 Air Fuel Ratio Sensor 1 Heater Bank 2 Control Circuit High mean in a 2006 Infiniti G35?

Code P0052 indicates that there is a high voltage condition in the control circuit of the air fuel ratio sensor 1 heater in bank 2 of a 2006 Infiniti G35.

3. What are the possible causes of OBDII code P0052 in a 2006 Infiniti G35?

Possible causes of code P0052 in a 2006 Infiniti G35 include a faulty air fuel ratio sensor, damaged wiring or connectors, a blown fuse, or issues with the engine control module.

4. How can I diagnose the OBDII code P0052 in my 2006 Infiniti G35?

To diagnose code P0052 in a 2006 Infiniti G35, you can start by checking the wiring and connectors for any damage, testing the air fuel ratio sensor, and verifying the fuse related to the sensor's heater circuit.

5. Can I continue driving my 2006 Infiniti G35 with OBDII code P0052?

It is not recommended to continue driving your 2006 Infiniti G35 with code P0052 present, as it can lead to poor engine performance and potential damage if left unresolved.

6. How much does it typically cost to repair OBDII code P0052 in a 2006 Infiniti G35?

The cost of repairing code P0052 in a 2006 Infiniti G35 can vary depending on the exact cause of the issue, but it may range from $150 to $400 including parts and labor.

7. Can I repair OBDII code P0052 in my 2006 Infiniti G35 by myself?

If you have the necessary tools and experience working on automotive electrical systems, you may be able to repair code P0052 in your 2006 Infiniti G35 yourself by following a repair manual or online guides.

8. What is the purpose of the air fuel ratio sensor in a 2006 Infiniti G35?

The air fuel ratio sensor in a 2006 Infiniti G35 measures the oxygen content in the exhaust gases, allowing the engine control module to adjust the air-fuel mixture for optimal performance and emissions.

9. How long does it typically take to repair OBDII code P0052 in a 2006 Infiniti G35?

The repair time for code P0052 in a 2006 Infiniti G35 can vary depending on the exact cause of the issue and the availability of parts, but it may take anywhere from 1 to 3 hours at a repair shop.

10. Will resetting the check engine light clear OBDII code P0052 in a 2006 Infiniti G35?

Resetting the check engine light may temporarily turn it off, but it will not resolve the underlying issue causing code P0052 in a 2006 Infiniti G35. It is important to diagnose and repair the problem to prevent it from recurring.

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