Midline System: Notes

WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Owner's Manual for audio system operating instructions.

Power is supplied at all times

through 20A fuse [No. 31, located in the fuse and fusible link box]
to audio unit terminal 6
to AV switch terminal 1

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

through 10A fuse [No. 4, located in the fuse block (J/B)]
to audio unit terminal 10 and
to AV switch terminal 2

Ground is supplied through the case of the audio unit.

Ground is also supplied

to AV switch terminal 5 and 1
through body grounds M57, M61 and M79.

Then audio signals are supplied

through audio unit terminals 1, 2, 3, 4, 13, 14, 15 and 16
to terminals + and - of front door speaker LH and RH and
to terminals + and - of front tweeter LH and RH and
to terminals + and - of rear door speaker LH and RH and
to terminals + and - of rear door tweeter LH and RH (crew cab only)

When one of steering wheel audio control switches is pushed, the resistance in steering switch circuit changes depending on which button is pushed.