4. Detect Malfunctioning Part

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Check the following.

Harness connectors B401, B251
Harness connectors B211, M141
Harness connectors M135, F105
Harness for open or short between EVAP control system pressure sensor and ECM
1. : Repair open circuit or short to ground or short to power in harness or connectors.