P1052 2005 Infiniti G35 Code - Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 2
Quick Answer
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. Common causes include Faulty Air Fuel Ratio Sensor 1 Bank 2, Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted, Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1052 2005 Infiniti G35 indicates Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 2.
- Common causes
- Common causes include Faulty Air Fuel Ratio Sensor 1 Bank 2, Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted, Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1052 2005 Infiniti G35 Description
What are the Possible Causes of the DTC P1052 2005 Infiniti G35?
- Faulty Air Fuel Ratio Sensor 1 Bank 2
- Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted
- Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection
How to Fix the DTC P1052 2005 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1052 2005 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.
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Frequently Asked Questions about P1052 2005 Infiniti G35 Code
1. What does the P1052 code mean on a 2005 Infiniti G35?
P1052 indicates a problem with the Air Fuel Ratio Sensor 1 Heater Control Circuit High on Bank 2, meaning the heater circuit in the sensor is drawing too much voltage.
2. What are the common symptoms of a P1052 code?
Symptoms may include an illuminated check engine light, poor fuel economy, rough idling, reduced engine performance, or difficulty starting the engine.
3. What causes the P1052 code to appear?
Common causes include a faulty air-fuel ratio sensor, damaged wiring, a blown fuse, or a malfunctioning engine control module (ECM).
4. How is the P1052 code related to Bank 2?
Bank 2 refers to the side of the engine opposite Bank 1, typically the side without cylinder #1. This code specifically affects the air-fuel ratio sensor on that side.
5. Can I drive my 2005 Infiniti G35 with a P1052 code?
Driving with this code is not recommended, as it can lead to increased emissions, reduced fuel efficiency, and potential damage to other components like the catalytic converter.
6. How do I fix the P1052 code on my Infiniti G35?
Repairs may include replacing the faulty air-fuel ratio sensor, inspecting and repairing damaged wiring, replacing a blown fuse, or addressing ECM issues.
7. How can I diagnose the P1052 code?
Use an OBDII scanner to confirm the code, perform a visual inspection of the wiring and connectors, test the air-fuel ratio sensor’s resistance, and check the heater circuit voltage.
8. How much does it cost to fix the P1052 code on a 2005 Infiniti G35?
The repair cost can range from $200 to $400 for sensor replacement, while wiring or ECM repairs may vary depending on the extent of the damage.
9. What tools are needed to fix the P1052 code?
You’ll need an OBDII scanner, a multimeter for testing electrical connections, and basic hand tools for replacing the sensor.
10. Is the P1052 code the same as an oxygen sensor issue?
No, the air-fuel ratio sensor is a more precise type of sensor compared to a traditional oxygen sensor, but both serve a similar role in monitoring exhaust gases.
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