1. Check Fuse
WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
Check if the key switch fuse [fuse 19, located in the fuse block (J/B)] is blown. Refer to WIRING DIAGRAM - WARNING CHIME .
Is the fuse blown?
YES >> Replace the fuse. Be sure to repair the cause of malfunction before installing new fuse.
NO >> GO TO 2.