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Engine-Codes – Nissan – P1122 2004 Nissan Maxima

P1122 2004 Nissan Maxima Code - Electric Throttle Control Performance Problem

Quick Answer

The P1122 diagnostic trouble code (DTC) for a 2004 Nissan Maxima indicates an Electric Throttle Control Performance Problem. Common causes include Faulty throttle control module, Malfunctioning throttle position sensor, Damaged wiring or connectors in the throttle control system. 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 2004 Nissan Maxima indicates Electric Throttle Control Performance Problem.
Common causes
Common causes include Faulty throttle control module, Malfunctioning throttle position sensor, Damaged wiring or connectors in the throttle control system.
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 2004 Nissan Maxima Description

The P1122 diagnostic trouble code (DTC) for a 2004 Nissan Maxima indicates an Electric Throttle Control Performance Problem. This code is related to the vehicle's electronic throttle control system, which is responsible for managing the engine's throttle opening. The throttle control module receives input from various sensors to determine the appropriate throttle position based on driver input. When the system detects a performance issue, it triggers the P1122 code, signaling that there is a problem with the electric throttle control system.

OBDII Code P1122 2004 Nissan Maxima - Electric Throttle Control Performance Problem
P1122 2004 Nissan Maxima Code - Electric Throttle Control Performance Problem

Common Causes of P1122 2004 Nissan Maxima

  1. Faulty throttle control module.
  2. Malfunctioning throttle position sensor.
  3. Damaged wiring or connectors in the throttle control system.
  4. Electronic component failure within the electric throttle control system.
  5. Software issues or calibration errors in the throttle control module.

Symptoms of P1122 2004 Nissan Maxima

  1. Reduced engine power or acceleration.
  2. Rough idling or stalling.
  3. Unresponsive throttle pedal.
  4. Illuminated Check Engine Light.
  5. Vehicle going into "limp mode" with limited power.

How to Fix P1122 2004 Nissan Maxima

  1. Perform a comprehensive diagnostic scan to retrieve the specific trouble codes and pinpoint the exact cause of the issue.
  2. Inspect the throttle control module, throttle position sensor, and wiring harness for any signs of damage or malfunction.
  3. Test the electronic components within the electric throttle control system for proper operation.
  4. Replace any faulty components identified during the diagnostic process, such as the throttle control module, throttle position sensor, or damaged wiring.
  5. Clear the trouble codes, reset the system, and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1122 2004 Nissan Maxima

The typical repair costs for addressing a P1122 code on a 2004 Nissan Maxima can range from $200 to $600, including parts and labor. However, it's essential to note that specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may offer lower rates. It is advisable to check local rates for a more accurate estimate before proceeding with the repair.

What does this mean?

Tech Notes for P1122 2004 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 2004 Nissan Maxima Code

1. What does the OBDII code P1122 mean on a 2004 Nissan Maxima?

P1122 indicates an "Electric Throttle Control Performance Problem," meaning the throttle body or its components are malfunctioning, causing improper throttle operation.

2. What are the common symptoms of the P1122 code in a 2004 Nissan Maxima?

Symptoms include poor acceleration, reduced engine performance, the throttle not responding properly, and the Check Engine Light being illuminated.

3. What causes the P1122 code to appear on a 2004 Nissan Maxima?

Common causes include a faulty throttle position sensor, a dirty or malfunctioning throttle body, wiring issues, or a failing electronic control module (ECM).

4. Can a dirty throttle body cause the P1122 code in a 2004 Nissan Maxima?

Yes, a dirty or carbon-clogged throttle body can disrupt airflow and cause the P1122 code to trigger.

5. How do I fix the P1122 code on a 2004 Nissan Maxima?

Start by cleaning the throttle body, inspecting the throttle position sensor, and checking for damaged wiring. Replace faulty components if necessary.

6. Can I drive my 2004 Nissan Maxima with the P1122 code?

Driving with this code is not recommended, as it can lead to poor throttle response, reduced performance, and unsafe driving conditions.

7. How much does it cost to repair the P1122 code on a 2004 Nissan Maxima?

Repair costs vary, but cleaning the throttle body typically costs $50-$100, while replacing the throttle position sensor or throttle body can cost $200-$500 depending on labor.

8. Do I need to reset the ECM after repairing the P1122 code?

Yes, resetting the ECM or clearing the code with an OBDII scanner after repairs is necessary to ensure the issue is resolved and the code does not reappear.

9. Can a bad throttle position sensor cause the P1122 code?

Yes, a failing throttle position sensor can send incorrect signals to the ECM, leading to the P1122 code.

10. Is the P1122 code on a 2004 Nissan Maxima a common problem?

Yes, this code is somewhat common in older vehicles like the 2004 Maxima due to wear and tear on the electronic throttle control system.

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