Power Supply And Ground

WARNING: This page is about a different car, the 2008 Nissan Quest. 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 intelligent power distribution module engine room (IPDM E/R), and
through 15A fuse (No. 34 and 41, located in IPDM E/R)
to CPU of IPDM E/R, and
through 20A fuse (No. 31, located in fuse and fusible link box), and
to audio unit terminal 6
through 15A fuse [No. 19, located in fuse block (J/B)]
to display unit terminal 1 (with monochrome display) or display control unit terminal 1 (with color display) and
to AV switch terminal 1 and
to combination meter terminal 40.

When ignition switch is in ACC or ON position, power is supplied

through 10A fuse [No. 4, located in fuse block (J/B)]
to display unit terminal 2 (with monochrome display) or display control unit terminal 10 (with color display) and
to AV switch terminal 2 and
to BCM terminal 11.

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

to ignition relay, located in IPDM E/R, and
through 10A fuse [No. 12, located in fuse block (J/B)]
to display unit terminal 3 (with monochrome display) or display control unit terminal 12 (with color display).

Ground is supplied

to display unit terminal 6 (with monochrome display) or display unit terminal 1 (with color display)
to display control unit terminal 3 (with color display) and
to AV switch terminal 5 and
to combination meter terminal 20 and
to BCM terminal 67
through body grounds M57, M61 and M79, and
to IPDM E/R terminals 38 and 60
through body grounds E9, E15 and E24.