P1112 Mazda Code - Intake Air Temperature Sensor Circuit Intermittent Low Voltage
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 Sensor, Intake Air Temperature Sensor harness is open or shorted, Intake Air Temperature Sensor circuit poor electrical connection. 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
- P1112 Mazda indicates Intake Air Temperature Sensor Circuit Intermittent Low Voltage.
- Common causes
- Common causes include Faulty Intake Air Temperature Sensor, Intake Air Temperature Sensor harness is open or shorted, Intake Air Temperature Sensor circuit poor electrical connection.
- 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 P1112 Mazda Description
What are the Possible Causes of the DTC P1112 Mazda?
- Faulty Intake Air Temperature Sensor
- Intake Air Temperature Sensor harness is open or shorted
- Intake Air Temperature Sensor circuit poor electrical connection
How to Fix the DTC P1112 Mazda?
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 P1112 Mazda 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 P1112 Mazda Code
1. What does the OBDII code P1112 mean for a Mazda?
P1112 indicates an intermittent low voltage issue in the intake air temperature (IAT) sensor circuit.
2. What are the symptoms of the P1112 code in a Mazda?
Symptoms may include poor engine performance, rough idling, reduced fuel efficiency, and possibly an illuminated check engine light.
3. What causes the P1112 code in a Mazda?
Common causes include a faulty intake air temperature sensor, damaged or corroded wiring, loose electrical connections, or a malfunctioning engine control module (ECM).
4. Can I drive my Mazda with the P1112 code?
Driving with the P1112 code is possible but not recommended, as it may affect engine performance and fuel economy.
5. How do I diagnose the P1112 code in my Mazda?
Start by inspecting the IAT sensor, its wiring, and connectors for damage or corrosion. Use a multimeter to test the sensor's resistance and voltage.
6. How do I fix the P1112 code on my Mazda?
Repairs may include replacing the IAT sensor, repairing or replacing damaged wiring, cleaning corroded connections, or resetting the ECM.
7. Where is the intake air temperature (IAT) sensor located in a Mazda?
The IAT sensor is typically located on the intake manifold or integrated into the air intake system near the throttle body.
8. How much does it cost to fix the P1112 code in a Mazda?
Repair costs can range from $50 to $200 depending on whether the issue is with the sensor, wiring, or other components.
9. Can a dirty air filter cause the P1112 code on a Mazda?
While unlikely, a severely clogged air filter might indirectly affect the IAT sensor's readings, contributing to the code.
10. Do I need special tools to fix the P1112 code in my Mazda?
Basic tools like a multimeter and a scan tool can help diagnose and fix the issue, but no specialized tools are typically required.
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