P0112 2009 Nissan Pathfinder 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 2009 Nissan Pathfinder 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.
Code P0112 2009 Nissan Pathfinder Description
What are the Possible Causes of the DTC P0112 2009 Nissan Pathfinder?
- 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 2009 Nissan Pathfinder?
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 P0112 2009 Nissan Pathfinder 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 P0112 2009 Nissan Pathfinder Code
1. What are the common symptoms of OBDII code P0112 on a 2009 Nissan Pathfinder?
The common symptoms of OBDII code P0112 on a 2009 Nissan Pathfinder may include rough idling, poor fuel economy, lack of power, and in some cases, the Check Engine Light may illuminate.
2. What does the OBDII code P0112 "Intake Air Temperature Circuit Low Input" mean for a 2009 Nissan Pathfinder?
The OBDII code P0112 for a 2009 Nissan Pathfinder indicates that the Engine Control Module (ECM) has detected a low input signal from the Intake Air Temperature (IAT) sensor.
3. What are the possible causes of OBDII code P0112 on a 2009 Nissan Pathfinder?
The possible causes of OBDII code P0112 on a 2009 Nissan Pathfinder include a faulty IAT sensor, damaged wiring or connectors in the IAT circuit, or issues with the ECM.
4. How can I diagnose the OBDII code P0112 on my 2009 Nissan Pathfinder?
To diagnose the OBDII code P0112 on a 2009 Nissan Pathfinder, you can start by checking the IAT sensor and its wiring for any visible damage. You may also use a multimeter to test the sensor's resistance and voltage output.
5. Can I drive my 2009 Nissan Pathfinder with OBDII code P0112?
It is not recommended to drive your 2009 Nissan Pathfinder with OBDII code P0112 for an extended period, as it can lead to poor engine performance and potential long-term damage. It's best to address the issue promptly.
6. How do I repair OBDII code P0112 on a 2009 Nissan Pathfinder?
To repair OBDII code P0112 on a 2009 Nissan Pathfinder, you may need to replace the faulty IAT sensor, repair any damaged wiring or connectors in the circuit, or reset the ECM after fixing the issue.
7. Can a dirty air filter cause OBDII code P0112 on a 2009 Nissan Pathfinder?
A dirty air filter is unlikely to directly cause OBDII code P0112 on a 2009 Nissan Pathfinder. However, a clogged air filter can affect the overall engine performance and fuel efficiency, so it's essential to replace it regularly.
8. How much does it cost to fix OBDII code P0112 on a 2009 Nissan Pathfinder?
The cost to fix OBDII code P0112 on a 2009 Nissan Pathfinder can vary depending on the root cause of the issue. Replacing the IAT sensor or repairing wiring may cost between $50 to $200, excluding labor charges.
9. Will OBDII code P0112 on a 2009 Nissan Pathfinder affect emissions?
Yes, OBDII code P0112 on a 2009 Nissan Pathfinder may affect emissions by causing the engine to run inefficiently. It's important to address the issue to ensure the vehicle meets emission standards.
10. How long does it take to repair OBDII code P0112 on a 2009 Nissan Pathfinder?
The repair time for OBDII code P0112 on a 2009 Nissan Pathfinder can vary based on the exact cause of the issue and the availability of parts. In general, it may take a few hours to a full day to diagnose and fix the problem.
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