P0325 Diagnostic Guide for 2001 Nissan Frontier - How to Fix the Engine Knock Sensor Fault

I'm experiencing trouble code P0325 on my 2001 Nissan Frontier. What should I do to diagnose and fix this issue? The P0325 code indicates a malfunction in the knock sensor, which can lead to engine misfires and performance problems. Where should I begin troubleshooting this fault?