When ignition switch is in ON or START position, power is supplied

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

through 10A fuse [No. 12, located in fuse block (J/B)]
to unified meter and A/C amp. terminal 22 and
to display unit terminal 3.