P1105 Fault Diagnosis for 1999 Nissan Maxima - How to Fix MAP Switching Valve Solenoid Issue
I'm experiencing a P1105 diagnostic code on my 1999 Nissan Maxima. The code indicates a problem with the MAP (Manifold Absolute Pressure) switching valve solenoid. I've confirmed that the issue is related to the electronic control of the intake pressure sensor, and the fault likely stems from either a faulty solenoid or an electrical connection failure. To troubleshoot this, I recommend starting with checking the fuse associated with the MAP system, followed by inspecting the connector at the MAP switching valve solenoid for corrosion, loose connections, or physical damage.
The P1105 code points to a malfunction in the MAP switching valve solenoid. Begin by checking the fuse related to the intake pressure sensor circuit, then inspect the connector at the MAP switching solenoid for signs of damage or poor contact.