Power Supply And Ground

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

Power is supplied at all times

Through 15A fuse (No. 32, located in fuse and fusible link box)
To audio unit terminal 6
To display unit terminal 1 and
To A/C and AV switch terminal 1.

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

Through 10A fuse [No. 6, located in fuse block (J/B)]
To unified meter and A/C amp. terminal 35
To audio unit terminal 10
To display unit terminal 2 and
To A/C and AV switch terminal 2.

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

Through 10A fuse [No. 12, located in fuse block (J/B)]
To unified meter and A/C amp. terminal 22 and
To display unit terminal 3.

Ground is supplied

To unified meter and A/C amp. terminals 29, 30
To display unit terminals 6 and 15 and
To A/C and AV switch terminal 5
Through body grounds M35, M45 and M85.

Ground is supplied through the case of the audio unit.