P1105 – Nissan DTC

Nissan DTC P1105 – MAP/BARO Pressure Switch Solenoid Valve

DTC P1105 meaning on Nissan

DTC P1105 on a Nissan refers to an issue with the MAP/BARO Pressure Switch Solenoid Valve circuit. This diagnostic trouble code indicates a malfunction in the solenoid valve that controls the pressure switch for the manifold absolute pressure (MAP) sensor or barometric pressure sensor.

Nissan DTC P1105 symptoms

Symptoms of DTC P1105 on a Nissan may include:

  • Check Engine Light illuminated
  • Decreased engine performance
  • Engine stalling or rough idling
  • Reduced fuel efficiency

Nissan DTC P1105 causes

Common causes of DTC P1105 on a Nissan include:

  • Faulty MAP/BARO Pressure Switch Solenoid Valve
  • Wiring or connector issues in the solenoid valve circuit
  • Defective pressure sensors
  • Vacuum leaks in the intake system

Nissan DTC P1105 seriousness

DTC P1105 should be addressed promptly as it can lead to drivability issues and potential engine damage if left unresolved. Ignoring this code may result in poor engine performance and increased fuel consumption.

How to diagnose DTC P1105 on Nissan

To diagnose DTC P1105 on a Nissan, follow these steps:

  1. Use a scan tool to retrieve the trouble codes stored in the vehicle’s computer.
  2. Inspect the MAP/BARO Pressure Switch Solenoid Valve and associated wiring for any visible damage or corrosion.
  3. Test the solenoid valve and pressure sensors for proper operation using a multimeter.
  4. Check for vacuum leaks in the intake system that could affect pressure readings.

How to fix DTC P1105 on Nissan

To fix DTC P1105 on a Nissan, consider the following:

  1. Replace the faulty MAP/BARO Pressure Switch Solenoid Valve if it is determined to be the cause of the code.
  2. Repair any damaged wiring or connectors in the solenoid valve circuit.
  3. Replace defective pressure sensors if necessary.
  4. Address any vacuum leaks in the intake system to ensure accurate pressure readings.

How to erase DTC P1105 on Nissan

To erase DTC P1105 on a Nissan, use a scan tool to clear the trouble codes stored in the vehicle’s computer. After making the necessary repairs, reset the codes and perform a test drive to ensure the issue has been resolved.

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