P1115 – Infiniti DTC

Infiniti DTC P1115 – ECT Sensor Circuit Intermittent Voltage High

DTC P1115 meaning on Infiniti

1. DTC P1115 refers to an error code related to the Engine Coolant Temperature (ECT) sensor circuit on Infiniti vehicles.
2. This specific code indicates that there is an intermittent high voltage condition detected in the ECT sensor circuit.

Infiniti DTC P1115 symptoms

• Check Engine Light (CEL) illuminated on the dashboard.
• Engine may run rough or exhibit poor performance.
• Decreased fuel efficiency.

Infiniti DTC P1115 causes

• Faulty ECT sensor.
• Wiring or connector issues in the ECT sensor circuit.
• Intermittent electrical connection problems.

Infiniti DTC P1115 seriousness

1. While the vehicle may still be operable with this code, it is important to address it promptly to prevent potential engine damage or further issues.
2. Ignoring this code could lead to poor engine performance and reduced fuel efficiency.

How to diagnose DTC P1115 on Infiniti

1. Use a diagnostic scanner to retrieve the DTC P1115 code and any related codes.
2. Inspect the ECT sensor and its wiring for any visible damage or corrosion.
3. Check the ECT sensor resistance and compare it to specifications.
4. Perform a thorough inspection of the ECT sensor circuit for any loose connections or shorts.

How to fix DTC P1115 on Infiniti

1. Replace the ECT sensor if it is found to be faulty.
2. Repair any damaged wiring or connectors in the ECT sensor circuit.
3. Clean any corrosion from connectors and ensure a secure connection.
4. Clear the DTC P1115 code and perform a test drive to verify the repair.

How to erase DTC P1115 on Infiniti

1. Use a diagnostic scanner to clear the DTC P1115 code from the vehicle’s computer.
2. Ensure that the underlying issue causing the code has been addressed before clearing the code.
3. Perform a final check to confirm that the code has been successfully erased.