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Engine-Codes – Nissan – P1122 2005 Nissan Altima Sedan

P1122 2005 Nissan Altima Sedan Code - Electric Throttle Control Performance Problem

Quick Answer

The P1122 code on a 2005 Nissan Altima Sedan indicates an Electric Throttle Control Performance Problem. Common causes include Faulty throttle position sensor, Wiring or connector issues in the electric throttle control system, Dirty or clogged throttle body. 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
P1122 2005 Nissan Altima Sedan indicates Electric Throttle Control Performance Problem.
Common causes
Common causes include Faulty throttle position sensor, Wiring or connector issues in the electric throttle control system, Dirty or clogged throttle body.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code P1122 2005 Nissan Altima Sedan Description

The P1122 code on a 2005 Nissan Altima Sedan indicates an Electric Throttle Control Performance Problem. This means that there is an issue with the electric throttle control system, which is responsible for managing the airflow into the engine. The throttle control system regulates the amount of air entering the engine, which is crucial for proper combustion and engine performance. When this system malfunctions, it can lead to a variety of performance issues and potentially cause long-term damage if not addressed promptly.

OBDII Code P1122 2005 Nissan Altima Sedan - Electric Throttle Control Performance Problem
P1122 2005 Nissan Altima Sedan Code - Electric Throttle Control Performance Problem

Common Causes of P1122 2005 Nissan Altima Sedan

  1. Faulty throttle position sensor
  2. Wiring or connector issues in the electric throttle control system
  3. Dirty or clogged throttle body
  4. Electronic control module (ECM) malfunction
  5. Vacuum leaks in the intake system

Symptoms of P1122 2005 Nissan Altima Sedan

  1. Reduced engine power or acceleration
  2. Engine stalling or hesitation
  3. Rough idling or uneven engine performance
  4. Illumination of the Check Engine Light
  5. Difficulty maintaining a steady speed

How to Fix P1122 2005 Nissan Altima Sedan

  1. Diagnose the issue using a scan tool to retrieve the specific trouble code and identify the underlying cause.
  2. Inspect the throttle position sensor and wiring for any signs of damage or wear. Replace as necessary.
  3. Clean the throttle body to remove any carbon buildup or debris that may be affecting its performance.
  4. Check for vacuum leaks in the intake system and repair or replace any damaged components.
  5. Reset the ECU and perform a throttle body relearn procedure to ensure proper calibration.

Cost to Fix P1122 2005 Nissan Altima Sedan

The typical repair costs for addressing a P1122 code on a 2005 Nissan Altima Sedan can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary significantly, so it's advisable to check with local shops for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing.

What does this mean?

Tech Notes for P1122 2005 Nissan Altima Sedan

Start by performing the "Idle Air Volume Learning Procedure", if the problem persists the Electric Throttle Control Actuator may need to be replaced.



There is a factory service bulletin for the 2005 Nissan Altima:

2005 Nissan Altima Factory Service Bulletin OBDII Code P1122

When is the Code Detected?

Electric throttle control function does not operate properly.

Need more information about the P1122 2005 Nissan Altima Sedan 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 P1122 2005 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P1122 on a 2005 Nissan Altima Sedan?

- Common symptoms include reduced engine power, hesitation or loss of acceleration, and the check engine light illuminating on the dashboard.

2. What does the OBDII code P1122 on a 2005 Nissan Altima Sedan indicate?

- OBDII code P1122 indicates an Electric Throttle Control Performance Problem.

3. What are the possible causes of OBDII code P1122 on a 2005 Nissan Altima Sedan?

- Possible causes include a faulty electric throttle control actuator, problems with the throttle position sensor, wiring issues, or a malfunctioning engine control module.

4. How can I diagnose the Electric Throttle Control Performance Problem on a 2005 Nissan Altima Sedan?

- Diagnosis typically involves checking the throttle control actuator and sensor for proper operation, inspecting the wiring for any damage, and using a scan tool to retrieve and analyze the error codes.

5. Can I drive my 2005 Nissan Altima Sedan with OBDII code P1122?

- It is not recommended to drive the vehicle with OBDII code P1122 as it can lead to performance issues and potential safety concerns. It is best to address the issue promptly.

6. How can I repair OBDII code P1122 on my 2005 Nissan Altima Sedan?

- Repairing OBDII code P1122 may involve replacing the electric throttle control actuator, repairing any damaged wiring, or recalibrating the throttle position sensor. Consult a professional mechanic for proper diagnosis and repair.

7. Is it safe to continue driving if the check engine light is flashing due to code P1122 on a 2005 Nissan Altima Sedan?

- A flashing check engine light indicates a severe issue that can cause damage to the catalytic converter. It is recommended to pull over and have the vehicle towed to a repair shop for diagnosis and repair.

8. How much does it typically cost to fix OBDII code P1122 on a 2005 Nissan Altima Sedan?

- The cost of fixing OBDII code P1122 can vary depending on the specific cause of the issue, parts needed for repair, and labor costs. It is advisable to get a few quotes from different mechanics to compare prices.

9. Can a DIY enthusiast repair OBDII code P1122 on a 2005 Nissan Altima Sedan?

- While some may attempt to diagnose and repair OBDII code P1122 themselves, it is recommended to seek help from a professional mechanic due to the complexity of the throttle control system and the importance of proper repairs.

10. How often does OBDII code P1122 occur in 2005 Nissan Altima Sedans?

- OBDII code P1122 may occur occasionally in 2005 Nissan Altima Sedans due to various factors such as wear and tear, electrical issues, or sensor malfunctions. Regular maintenance and timely repairs can help prevent this code from recurring frequently.

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