P1112 – Mazda DTC

Mazda DTC P1112 – Intake Air Temperature Sensor Circuit Intermittent

DTC P1112 meaning on Mazda

DTC P1112 on a Mazda indicates an Intake Air Temperature Sensor Circuit Intermittent issue. This diagnostic trouble code is triggered when the Engine Control Module (ECM) detects intermittent or erratic signals from the intake air temperature sensor.

Mazda DTC P1112 symptoms

Symptoms of DTC P1112 on a Mazda may include:

• Check Engine Light illuminated
• Decreased engine performance
• Potential rough idling or stalling

Mazda DTC P1112 causes

Common causes of DTC P1112 on a Mazda include:

• Faulty intake air temperature sensor
• Wiring or connector issues in the intake air temperature sensor circuit
• Intermittent sensor signal disruptions

Mazda DTC P1112 seriousness

While DTC P1112 may not cause immediate drivability issues, it is important to address this problem promptly to prevent potential engine performance issues and ensure proper diagnostics.

How to diagnose DTC P1112 on Mazda

To diagnose DTC P1112 on a Mazda, follow these steps:

1. Use an OBD-II scanner to retrieve the trouble codes and freeze frame data.
2. Inspect the intake air temperature sensor and its wiring for any visible damage or corrosion.
3. Test the intake air temperature sensor using a multimeter to check for proper resistance values.
4. Check the connector and wiring for any loose connections or shorts.

How to fix DTC P1112 on Mazda

To fix DTC P1112 on a Mazda, consider the following steps:

1. Replace the intake air temperature sensor if it is found to be faulty.
2. Repair or replace any damaged wiring or connectors in the intake air temperature sensor circuit.
3. Clear the trouble codes and perform a test drive to ensure the issue is resolved.

How to erase DTC P1112 on Mazda

To erase DTC P1112 on a Mazda:

1. Use an OBD-II scanner to clear the trouble codes from the ECM memory.
2. Ensure the repair has been completed successfully before clearing the codes.
3. Perform a final check to confirm the Check Engine Light does not reappear.

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