System Description: Function

WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

Power is supplied at all times

through 50A fuse (letter F, located in the fuse and fusible link box)
to BCM terminal 7,
through 10A fuse [No. 21, located in the fuse block (J/B)]
to key switch terminal 2 and
through 10A fuse [No. 19, located in the fuse block (J/B)]
to combination meter terminal 43.

When ignition switch ON or START position, power is supplied

through 10A fuse [No. 1, located in the fuse block (J/B)]
to BCM terminal 35.
through 10A fuse [No. 14, located in the fuse block (J/B)]
to combination meter terminal 41 and 42.

Ground is supplied

to BCM terminal 8
through body grounds E17 and E43 and
to combination meter terminals 45
through body grounds M30 and M66.