P0112 2018 Toyota RAV4 Code - Intake Air Temperature Circuit Low Input
Quick Answer
The Intake Air Temperature (IAT), mounted on the Mass Air Flow meter sub-assembly, monitors the intake air temperature. Common causes include Dirty air filter, Faulty Intake Air Temperature (IAT) Sensor (Part of the Mass Air Flow [MAF] Sensor), Intake Air Temperature 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 2018 Toyota RAV4 indicates Intake Air Temperature Circuit Low Input.
- Common causes
- Common causes include Dirty air filter, Faulty Intake Air Temperature (IAT) Sensor (Part of the Mass Air Flow [MAF] Sensor), Intake Air Temperature 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 2018 Toyota RAV4 Description
The ECM monitors the sensor voltage and uses this value to calculate the intake air temperature. When the sensor output voltage deviates from the normal operating range, the ECM interprets this as a malfunction in the intake air temperature sensor circuit and stores a Diagnostic Trouble Code (DTC).
What are the Possible Causes of the DTC P0112 2018 Toyota RAV4?
- Dirty air filter
- Faulty Intake Air Temperature (IAT) Sensor (Part of the Mass Air Flow [MAF] Sensor)
- Intake Air Temperature sensor harness is open or shorted
- Intake Air Temperature sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0112 2018 Toyota RAV4?
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 2018 Toyota RAV4 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 2018 Toyota RAV4 code?
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Frequently Asked Questions about P0112 2018 Toyota RAV4 Code
1. What are the common symptoms of OBDII code P0112 in a 2018 Toyota RAV4?
The common symptoms of OBDII code P0112 in a 2018 Toyota RAV4 include poor engine performance, rough idling, decreased fuel efficiency, and potential stalling.
2. What does the OBDII code P0112 "Intake Air Temperature Circuit Low Input" mean in a 2018 Toyota RAV4?
The OBDII code P0112 in a 2018 Toyota RAV4 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 in a 2018 Toyota RAV4?
Possible causes of OBDII code P0112 in a 2018 Toyota RAV4 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 in my 2018 Toyota RAV4?
To diagnose the OBDII code P0112 in a 2018 Toyota RAV4, you can use a scan tool to read the code, test the IAT sensor for proper resistance values, and inspect the wiring and connectors for any signs of damage.
5. Can I drive my 2018 Toyota RAV4 with the OBDII code P0112 present?
It is not recommended to drive your 2018 Toyota RAV4 with the OBDII code P0112 present, as it can lead to further engine issues and potentially affect the vehicle's performance.
6. How do I repair OBDII code P0112 in my 2018 Toyota RAV4?
To repair OBDII code P0112 in a 2018 Toyota RAV4, you may need to replace the faulty IAT sensor, repair any damaged wiring or connectors, or reset the ECM to clear the code.
7. Is it possible to reset OBDII code P0112 in a 2018 Toyota RAV4 without making any repairs?
While you can reset the OBDII code P0112 in a 2018 Toyota RAV4 using a scan tool, it is important to address the underlying issue causing the code to prevent it from reoccurring.
8. How much does it typically cost to fix OBDII code P0112 in a 2018 Toyota RAV4?
The cost of fixing OBDII code P0112 in a 2018 Toyota RAV4 can vary depending on the specific repair needed, but it may range from $100 to $300 for parts and labor.
9. Can a DIY enthusiast easily fix OBDII code P0112 in a 2018 Toyota RAV4?
If you have experience working on vehicles, you may be able to fix OBDII code P0112 in a 2018 Toyota RAV4 yourself by following repair guides or tutorials specific to your vehicle model.
10. Will OBDII code P0112 cause my 2018 Toyota RAV4 to fail an emissions test?
Yes, OBDII code P0112 in a 2018 Toyota RAV4 can cause the vehicle to fail an emissions test due to the impact on engine performance and emissions control systems.
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