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Engine-Codes – Nissan – P1122 2003 Nissan Maxima

P1122 2003 Nissan Maxima Code - Electric Throttle Control Performance Problem

Quick Answer

The P1122 code on a 2003 Nissan Maxima indicates an Electric Throttle Control Performance Problem. Common causes include Faulty electric throttle control module, Malfunctioning throttle position sensor, Wiring or connector issues. 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 2003 Nissan Maxima indicates Electric Throttle Control Performance Problem.
Common causes
Common causes include Faulty electric throttle control module, Malfunctioning throttle position sensor, Wiring or connector issues.
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 17, 2024
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Code P1122 2003 Nissan Maxima Description

The P1122 code on a 2003 Nissan Maxima indicates an Electric Throttle Control Performance Problem. This code is related to the electric throttle control system, which is responsible for regulating the amount of air entering the engine. The throttle control module communicates with the engine control module (ECM) to adjust the throttle opening based on driver input. When this code is triggered, it means that the ECM has detected a performance issue with the electric throttle control system.

OBDII Code P1122 2003 Nissan Maxima - Electric Throttle Control Performance Problem
P1122 2003 Nissan Maxima Code - Electric Throttle Control Performance Problem

Common Causes of P1122 2003 Nissan Maxima

  1. Faulty electric throttle control module
  2. Malfunctioning throttle position sensor
  3. Wiring or connector issues
  4. ECM malfunction
  5. Dirty throttle body

Symptoms of P1122 2003 Nissan Maxima

  1. Poor acceleration or lack of power
  2. Rough idling or stalling
  3. Delayed throttle response
  4. Inconsistent throttle control
  5. Check Engine Light illuminated

How to Fix P1122 2003 Nissan Maxima

  1. Diagnose the specific cause by performing a thorough inspection of the electric throttle control system, including the throttle control module, throttle position sensor, wiring, and connectors.
  2. Test the throttle position sensor and electric throttle control module for proper operation using a multimeter or scan tool.
  3. Clean the throttle body to ensure smooth operation and eliminate any potential obstructions.
  4. Replace any faulty components, such as the throttle control module, throttle position sensor, or wiring harness, as needed.
  5. Clear the diagnostic trouble codes from the ECM and perform a test drive to verify that the issue has been resolved.

Cost to Fix P1122 2003 Nissan Maxima

The typical repair costs for addressing a P1122 code on a 2003 Nissan Maxima can vary depending on the specific cause of the issue. In general, the cost of parts for replacing components such as the throttle control module or throttle position sensor can range from $100 to $500. Labor costs at auto repair shops typically range from $80 to $150 per hour. The total cost of repairs, including parts and labor, could range from $200 to $1000 or more, depending on the extent of the issue and the specific components that need to be replaced. It is advisable to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate based on the individual circumstances of the vehicle.

What does this mean?

Tech Notes for P1122 2003 Nissan Maxima

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

When is the Code Detected?

Electric throttle control function does not operate properly.

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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 2003 Nissan Maxima Code

1. What are the common symptoms of OBDII code P1122 on a 2003 Nissan Maxima?

The common symptoms of OBDII code P1122 on a 2003 Nissan Maxima include poor acceleration, rough idling, and reduced engine power.

2. What could cause the OBDII code P1122 on a 2003 Nissan Maxima?

The most common cause of OBDII code P1122 on a 2003 Nissan Maxima is a malfunction in the electric throttle control system, such as a faulty throttle position sensor or throttle body.

3. How can I diagnose the OBDII code P1122 on my 2003 Nissan Maxima?

Diagnosing OBDII code P1122 on a 2003 Nissan Maxima typically involves using a scan tool to read the code, checking the throttle position sensor's voltage, and inspecting the throttle body for any signs of wear or damage.

4. Can I still drive my 2003 Nissan Maxima with the OBDII code P1122?

It is not recommended to drive your 2003 Nissan Maxima with OBDII code P1122, as it can lead to further damage to the engine and other components. It is best to have the issue diagnosed and repaired as soon as possible.

5. How can I repair the OBDII code P1122 on my 2003 Nissan Maxima?

Repairing OBDII code P1122 on a 2003 Nissan Maxima may involve replacing the throttle position sensor, cleaning or replacing the throttle body, or repairing any wiring or electrical connections related to the electric throttle control system.

6. Is it possible to reset the OBDII code P1122 on a 2003 Nissan Maxima by disconnecting the battery?

While disconnecting the battery may temporarily clear the code, it is not a recommended method to reset OBDII code P1122 on a 2003 Nissan Maxima. The underlying issue causing the code should be diagnosed and repaired to prevent it from reoccurring.

7. How much does it typically cost to repair the OBDII code P1122 on a 2003 Nissan Maxima?

The cost of repairing OBDII code P1122 on a 2003 Nissan Maxima can vary depending on the exact cause of the issue and the labor rates in your area. It is recommended to obtain quotes from reputable mechanics or dealerships for an accurate estimate.

8. Will driving with the OBDII code P1122 affect my 2003 Nissan Maxima's fuel efficiency?

Driving with OBDII code P1122 on a 2003 Nissan Maxima can potentially lead to decreased fuel efficiency due to the engine running inefficiently or in a reduced power mode. It is best to address the issue promptly to maintain optimal fuel economy.

9. Can a DIY enthusiast with basic automotive knowledge repair the OBDII code P1122 on a 2003 Nissan Maxima?

While some DIY enthusiasts with basic automotive knowledge may be able to diagnose and repair OBDII code P1122 on a 2003 Nissan Maxima, it is recommended to consult a professional mechanic for accurate diagnosis and repairs, especially when dealing with complex electronic systems.

10. Are there any recalls or technical service bulletins related to OBDII code P1122 on a 2003 Nissan Maxima?

It is advisable to check with Nissan dealership or online databases for any recalls or technical service bulletins related to OBDII code P1122 on a 2003 Nissan Maxima. Manufacturers may issue recalls or provide guidance on addressing common issues associated with specific fault codes.

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