AutoCodesScion – P0113 Scion

P0113 Scion Code - Intake Air Temperature Circuit High 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
P0113 Scion indicates Intake Air Temperature Circuit High 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.
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Code Popularity 16,874
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 22, 2022
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Code P0113 Scion Description

The Intake Air Temperature (IAT), mounted on the Mass Air Flow meter sub-assembly, monitors the intake air temperature. The intake air temperature sensor has a built-in thermistor with a resistance that varies according to the temperature of the intake air. When the intake air temperature is low, the resistance of the thermistor increases. When the temperature is high, the resistance drops. These variations in resistance are transmitted to the Engine Control Module (ECM) as voltage changes.
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).
OBDII Code P0113 Scion - Intake Air Temperature Circuit High Input - AutoCodes.com
P0113 Scion Code - Intake Air Temperature Circuit High Input

What are the Possible Causes of the DTC P0113 Scion?

  • 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 P0113 Scion?

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 P0113 Scion 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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Information for Specific Scion Models

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 P0113 Scion Code

1. What does the OBDII code P0113 mean on a Scion?

P0113 indicates that the Intake Air Temperature (IAT) sensor is reporting a voltage signal that is too high, which suggests the sensor detects an intake air temperature that is extremely low.

2. What are the common symptoms of the P0113 code in a Scion?

Symptoms may include poor engine performance, reduced fuel efficiency, difficulty starting the engine, or the check engine light turning on.

3. What causes the P0113 code on a Scion?

Common causes include a faulty IAT sensor, damaged or corroded wiring, a disconnected IAT sensor, or a malfunctioning engine control module (ECM).

4. Can I drive my Scion with the P0113 code?

While the car may still be drivable, continuing to drive with this code can lead to poor engine performance and potential damage. It’s best to address the issue promptly.

5. How do I fix the P0113 code on my Scion?

Check the IAT sensor for damage, ensure its wiring and connectors are secure, clean the sensor if it’s dirty, and replace it if it’s faulty. Repair or replace any damaged wiring if needed.

6. Where is the IAT sensor located in a Scion?

The IAT sensor is typically located near the air filter housing or in the intake manifold, depending on the model.

7. How much does it cost to fix the P0113 code on a Scion?

Replacing an IAT sensor can cost between $50 and $200, depending on parts and labor. Wiring repairs might vary based on the extent of the damage.

8. Can a dirty air filter cause the P0113 code?

A dirty air filter is unlikely to directly cause the P0113 code but can indirectly affect the IAT sensor's performance by restricting airflow.

9. How can I prevent the P0113 code from happening again?

Regularly inspect and maintain the air intake system, keep the IAT sensor clean, and ensure wiring connections are secure.

10. Will clearing the P0113 code without fixing the issue solve the problem?

Clearing the code may temporarily turn off the check engine light, but the issue will likely return until the root cause is addressed.

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