AutoCodesNissan – P0112 2006 Nissan Maxima

P0112 2006 Nissan Maxima Code - Intake Air Temperature Circuit Low Input

Quick Answer

The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. Common causes include Faulty Intake Air Temperature (IAT) sensor, Dirty air filter, Intake Air Temperature (IAT) sensor harness is open or shorted. 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
P0112 2006 Nissan Maxima indicates Intake Air Temperature Circuit Low Input.
Common causes
Common causes include Faulty Intake Air Temperature (IAT) sensor, Dirty air filter, Intake Air Temperature (IAT) sensor harness is open or shorted.
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.
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Code Popularity 3,905
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0112 2006 Nissan Maxima Description

The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. The sensor detects intake air temperature and transmits a signal to the Engine Control Module (ECM).The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical resistance of the thermistor decreases in response to the temperature rise. The Intake Air Temperature signal is used as an input for various systems in the vehicle.
OBDII Code P0112 2006 Nissan Maxima - Intake Air Temperature Circuit Low Input - AutoCodes.com
P0112 2006 Nissan Maxima Code - Intake Air Temperature Circuit Low Input

What are the Possible Causes of the DTC P0112 2006 Nissan Maxima?

  • Faulty Intake Air Temperature (IAT) sensor
  • Dirty air filter
  • Intake Air Temperature (IAT) sensor harness is open or shorted
  • Intake Air Temperature (IAT) sensor circuit poor electrical connection

How to Fix the DTC P0112 2006 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0112 2006 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.

Need more information about the P0112 2006 Nissan Maxima 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 P0112 2006 Nissan Maxima Code

What does the OBDII code P0112 mean for a 2006 Nissan Maxima?

P0112 indicates that the Engine Control Module (ECM) has detected a low voltage signal from the intake air temperature (IAT) sensor, suggesting a potential issue with the sensor or its circuit.

What are the common symptoms of the P0112 code?

Common symptoms include poor engine performance, reduced fuel efficiency, difficulty starting the engine, and the check engine light being illuminated on the dashboard.

What could cause the P0112 code to appear?

The P0112 code may be triggered by a faulty IAT sensor, damaged wiring or connectors in the IAT sensor circuit, or issues with the ECM itself.

How can I diagnose the P0112 code?

To diagnose P0112, check the IAT sensor for proper operation using a multimeter, inspect the wiring and connectors for damage or corrosion, and verify that the ECM is functioning correctly.

What is the typical repair for a P0112 code?

Repairs often involve replacing the faulty IAT sensor, repairing or replacing damaged wiring or connectors, and ensuring the electrical connections are secure and free of corrosion.

Can driving with a P0112 code cause damage to my vehicle?

While it may not cause immediate damage, driving with a P0112 code can lead to poor engine performance and reduced fuel efficiency, which may result in long-term issues if not addressed.

How much does it typically cost to fix a P0112 code?

The cost to fix a P0112 code can vary widely, but replacing the IAT sensor can typically range from $50 to $200, depending on parts and labor costs.

Will clearing the code fix the problem?

Clearing the code may temporarily turn off the check engine light, but if the underlying issue is not resolved, the code will likely reappear.

Can I drive my 2006 Nissan Maxima with the P0112 code?

It is generally possible to drive with the P0112 code, but it is not recommended due to potential performance issues and decreased fuel efficiency. It’s best to address the code promptly.

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