P1122 2005 Nissan Maxima Code - Electric Throttle Control Performance Problem
Quick Answer
Electric Throttle Control Actuator consists of throttle control motor, Throttle Position Sensor (TPS), etc. Common causes include Faulty Electric Throttle Control Actuator, Electric Throttle Control Actuator harness is open or shorted, Electric Throttle Control Actuator 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
- P1122 2005 Nissan Maxima indicates Electric Throttle Control Performance Problem.
- Common causes
- Common causes include Faulty Electric Throttle Control Actuator, Electric Throttle Control Actuator harness is open or shorted, Electric Throttle Control Actuator 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 P1122 2005 Nissan Maxima Description
The throttle position sensor detects the throttle valve position, and the opening and closing speed of the throttle valve and feeds the voltage signals to the ECM. The ECM judges the current opening angle of the throttle valve from these signals and the ECM controls the throttle control motor to make the throttle valve opening angle properly in response to driving condition.
What are the Possible Causes of the DTC P1122 2005 Nissan Maxima?
- Faulty Electric Throttle Control Actuator
- Electric Throttle Control Actuator harness is open or shorted
- Electric Throttle Control Actuator circuit poor electrical connection
How to Fix the DTC P1122 2005 Nissan Maxima?
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 P1122 2005 Nissan Maxima 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 P1122 2005 Nissan Maxima Code
1. What does the OBDII code P1122 mean on a 2005 Nissan Maxima?
P1122 indicates an Electric Throttle Control Performance Problem, meaning there’s an issue with the throttle body or its related components in the electronic throttle control system.
2. What are common symptoms of a P1122 code in a 2005 Nissan Maxima?
Symptoms may include poor acceleration, engine hesitation, stalling, rough idle, or the throttle not responding to the accelerator pedal.
3. What causes the P1122 code on a 2005 Nissan Maxima?
Common causes include a faulty throttle body, a malfunctioning throttle position sensor, wiring or connector issues, or a failing electronic throttle control actuator.
4. Can a dirty throttle body cause a P1122 code?
Yes, carbon buildup or debris in the throttle body can restrict airflow or interfere with the throttle plate's operation, potentially triggering the P1122 code.
5. How can I diagnose a P1122 code on a 2005 Nissan Maxima?
Start by inspecting the throttle body for dirt or damage, check the wiring and connectors for corrosion or damage, and use a scan tool to verify throttle position sensor readings.
6. Is it safe to drive with a P1122 code on the 2005 Nissan Maxima?
Driving with a P1122 code is not recommended, as the throttle system may behave unpredictably, leading to potential safety risks such as stalling or lack of acceleration.
7. How do I fix the P1122 code on a 2005 Nissan Maxima?
Fixes may include cleaning or replacing the throttle body, repairing damaged wiring or connectors, or replacing the throttle position sensor or electronic throttle control actuator.
8. Can a P1122 code be caused by a weak battery?
Yes, low voltage from a weak or failing battery can affect the electronic throttle control system and potentially trigger the P1122 code.
9. Do I need to replace the throttle body to fix the P1122 code?
Not always. Cleaning the throttle body or repairing wiring issues may resolve the problem. Replacement is only necessary if the throttle body is confirmed to be faulty.
10. Will clearing the P1122 code fix the problem?
Clearing the code will remove it temporarily, but if the underlying issue isn’t fixed, the code will return, and the symptoms will persist.
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