Power Supply And Ground Circuit

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. 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 box)
to BCM terminal 55,
through 10A fuse [No. 21, located in the fuse block (J/B)]
to BCM terminal 42,
through 10A fuse [No. 71, located in the IPDM E/R]
to IPDM E/R internal CPU,
through 15A fuse [No. 78, located in the IPDM E/R]
to IPDM E/R internal CPU,
through 15A fuse [No. 37, located in the fuse block (J/B)]
to multi-function switch (security indicator) terminal 1.

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

through 10A fuse [No. 6, located in the fuse block (J/B)]
to BCM terminal 11.

Ground is supplied

to BCM terminal 52
through body grounds M16 and M70.