System Description: Outline

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

Power is supplied at all times

To ignition relay, located in the IPDM E/R (intelligent power distribution module engine room), and
Through 50A fusible link (letter f , located in the fuse and fusible link box)
To BCM terminal 70, and
Through 20A fuse (No. 53, located in the IPDM E/R)
To CPU (central processing unit) of the IPDM E/R, and
Through 10A fuse [No. 19, located in the fuse block (J/B)]
To combination meter terminal 8, and
Through 10A fuse (No. 45, located in the IPDM E/R)
To daytime light relay terminals 2 and 5.

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

To ignition relay, located in the IPDM E/R, and
Through 10A fuse (No. 59, located in the fuse and relay box)
To BCM terminal 38, and
Through 10A fuse [No. 14, located in the fuse block (J/B)]
To combination meter terminal 24.

Ground is supplied

To BCM terminal 67 and
To combination meter terminal 17
Through grounds M57, M61 and M79.