Power Supply And Ground

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

Power is supplied at all times

through 10A fuse [No.19, located in the fuse block (J/B)]
to security indicator lamp terminal 1 and
through 50A fusible link (letter f , located in the fuse and fusible link box)
to BCM terminal 70
through 10A fuse [No. 21, located in the fuse block (J/B)]
to BCM terminal 57
through 10A fuse (No. 25, located in the fuse and fusible link box)
to horn relay terminal 2
through 15A fuses (No. 34 and No. 41, located in the IPDM E/R)
to IPDM E/R internal CPU.

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 67
through body grounds M57, M61 and M79.