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Engine-Codes – Infiniti – P0122 2006 Infiniti G35

P0122 2006 Infiniti G35 Code - Throttle Position Sensor/Switch '1' Circuit Low Input

Quick Answer

The P0122 diagnostic trouble code (DTC) for a 2006 Infiniti G35 indicates a problem with the Throttle Position Sensor/Switch '1' Circuit, specifically a low input signal. Common causes include A faulty throttle position sensor (TPS), Damaged wiring or connectors in the TPS circuit, Corrosion or contamination affecting the TPS or its connections. 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
P0122 2006 Infiniti G35 indicates Throttle Position Sensor/Switch '1' Circuit Low Input.
Common causes
Common causes include A faulty throttle position sensor (TPS), Damaged wiring or connectors in the TPS circuit, Corrosion or contamination affecting the TPS or its connections.
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 P0122 2006 Infiniti G35 Description

The P0122 diagnostic trouble code (DTC) for a 2006 Infiniti G35 indicates a problem with the Throttle Position Sensor/Switch '1' Circuit, specifically a low input signal. The throttle position sensor (TPS) is a crucial component of the vehicle's electronic throttle control system, responsible for monitoring the position of the throttle pedal and sending this information to the engine control module (ECM). The ECM uses this data to determine the appropriate air-fuel mixture for optimal engine performance.

OBDII Code P0122 2006 Infiniti G35 - Throttle Position Sensor/Switch '1' Circuit Low Input
P0122 2006 Infiniti G35 Code - Throttle Position Sensor/Switch '1' Circuit Low Input

Common Causes of P0122 2006 Infiniti G35

  1. A faulty throttle position sensor (TPS).
  2. Damaged wiring or connectors in the TPS circuit.
  3. Corrosion or contamination affecting the TPS or its connections.
  4. Issues with the engine control module (ECM) receiving the TPS signal.
  5. Mechanical issues affecting the throttle body or related components.

Symptoms of P0122 2006 Infiniti G35

  1. Poor acceleration or lack of response when pressing the throttle pedal.
  2. Rough idling or stalling when coming to a stop.
  3. Decreased fuel efficiency and overall engine performance.
  4. Illumination of the Check Engine Light on the dashboard.

How to Fix P0122 2006 Infiniti G35

  1. Begin by diagnosing the specific cause of the low input signal from the TPS using a diagnostic scanner.
  2. Inspect the TPS, wiring, and connectors for any visible damage or corrosion, repairing or replacing as necessary.
  3. Test the TPS using a multimeter to ensure it is functioning within the specified voltage range.
  4. Clear the DTC from the ECM memory and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, consider seeking professional assistance to further diagnose and repair the underlying cause.

Cost to Fix P0122 2006 Infiniti G35

The typical repair costs for addressing a P0122 code on a 2006 Infiniti G35 can vary depending on the specific cause of the issue. Replacement of a faulty TPS can range from $50 to $200, while labor costs may add another $80 to $150 per hour. Additional costs for diagnostic testing, wiring repairs, or ECM replacement could increase the total expenses. It is advisable to consult with a trusted auto repair shop to obtain a more accurate estimate based on your vehicle's specific needs and location.

When is the Code Detected?

An excessively low voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module (ECM).

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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 P0122 2006 Infiniti G35 Code

1. What are the common symptoms of OBDII code P0122 in a 2006 Infiniti G35?

The common symptoms of OBDII code P0122 in a 2006 Infiniti G35 include poor engine performance, reduced fuel efficiency, and potential stalling or hesitation during acceleration.

2. What does the OBDII code P0122 'Throttle Position Sensor/Switch '1' Circuit Low Input' mean for a 2006 Infiniti G35?

The code P0122 indicates that the Engine Control Module (ECM) has detected a low voltage signal from the throttle position sensor or switch on the throttle body of a 2006 Infiniti G35.

3. What are the possible causes of OBDII code P0122 in a 2006 Infiniti G35?

Possible causes of OBDII code P0122 in a 2006 Infiniti G35 include a faulty throttle position sensor, damaged wiring or connectors, a malfunctioning throttle body, or issues with the ECM.

4. How can I diagnose OBDII code P0122 in my 2006 Infiniti G35?

To diagnose OBDII code P0122 in a 2006 Infiniti G35, you can use an OBDII scanner to retrieve the trouble code, visually inspect the throttle position sensor and related components, and perform voltage tests on the sensor to determine if it is functioning properly.

5. Can I drive my 2006 Infiniti G35 with OBDII code P0122?

It is not recommended to drive a 2006 Infiniti G35 with OBDII code P0122 for an extended period 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.

6. How can I repair OBDII code P0122 in my 2006 Infiniti G35?

To repair OBDII code P0122 in a 2006 Infiniti G35, you may need to replace the throttle position sensor, repair any damaged wiring or connectors, clean the throttle body, or reprogram the ECM if necessary.

7. Will resetting the OBDII code P0122 in my 2006 Infiniti G35 make it go away permanently?

Resetting the OBDII code P0122 in a 2006 Infiniti G35 may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return. It is important to diagnose and repair the root cause of the problem.

8. How much does it cost to repair OBDII code P0122 in a 2006 Infiniti G35?

The cost to repair OBDII code P0122 in a 2006 Infiniti G35 can vary depending on the specific cause of the issue and the labor rates in your area. It is recommended to get a diagnosis from a qualified mechanic to determine the exact cost.

9. Can a DIY enthusiast fix OBDII code P0122 in a 2006 Infiniti G35?

A DIY enthusiast with experience in automotive repairs may be able to fix OBDII code P0122 in a 2006 Infiniti G35, especially if it involves tasks like replacing the throttle position sensor or checking wiring connections. However, complex repairs may require professional assistance.

10. How often does OBDII code P0122 occur in a 2006 Infiniti G35?

OBDII code P0122 can occur in a 2006 Infiniti G35 due to various factors such as wear and tear, electrical issues, or sensor malfunctions. The frequency of occurrence can vary depending on the vehicle's maintenance history and driving conditions.

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