System Description: Function

WARNING: This page is about a different car, the 2006 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 fusible link (letter F, located in the fuse and fusible link block)
to BCM terminal 55,
through 10A fuse [No. 18, located in the fuse block (J/B)]
to BCM terminal 42,
through 10A fuse [No. 21, located in the fuse block (J/B)]
to key switch terminal 2 (without Intelligent Key),
through 15A fuse (No. 33, located in the fuse and fusible link block)
to key switch and ignition knob switch terminals 1 and 3 (with Intelligent Key),
through 10A fuse [No. 19, located in the fuse block (J/B)]
to combination meter terminal 21.

With ignition switch in the ON or START position, power is supplied

through 10A fuse [No. 1, located in the fuse block (J/B)]
to BCM terminal 38,
through 10A fuse [No. 14, located in the fuse block (J/B)]
to combination meter terminals 22 and 23.

Ground is supplied

to BCM terminal 52
through grounds M30 and M66,
to combination meter terminals 1, 24 and 25
through grounds M30 and M66.