Switch Operation

WARNING: This page is about a different car, the 2006 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.

When the back door is open, ground is supplied

to cargo lamp terminal 1
through diode 7 terminal 2
through diode 7 terminal 1
through back door switch terminal 3
through back door switch terminal 1
through grounds D406 and D652.

Power is supplied

through 10A fuse [No. 18, located in the fuse block (J/B)]
to cargo lamp terminal 2.

When the cargo lamp switch is ON, ground is supplied through case ground of cargo lamp.

With power and ground supplied, the cargo lamp illuminates.

When any side door switch is ON (door is opened), ground is supplied

to front room/map lamp assembly terminal 1
to room lamp 2nd row terminal 1
through diode 6 terminal 2 (front door switch LH only)
through diode 6 terminal 1 (front door switch LH only)
through door switch terminal 1
through case ground of any door switch.
When the front door LH is open, ground is supplied
to ignition keyhole illumination terminal 2
through front door switch LH terminal 1
through case ground of the front door switch LH.

Power is supplied

through 10A fuse [No. 18, located in the fuse block (J/B)]
to front room/map lamp assembly terminal 2
to room lamp 2nd row terminal 2, and
to ignition keyhole illumination terminal 1.
When room lamp 2nd row is ON, ground is supplied through room lamp 2nd row case ground. When front room/map lamp assembly switch is ON, ground is supplied
through front room/map lamp assembly terminal 3
to grounds M57, M61 and M79.

When any door switch is ON (door is opened), ground is supplied

to front room/map lamp assembly terminal 2
to room lamp 2nd row terminal 1
through BCM terminal 63, and
to ignition keyhole illumination terminal 2
through BCM terminal 1.
Power is supplied
through BCM terminal 56
to ignition keyhole illumination terminal 1
to front room/map lamp assembly terminal 1
to vanity lamp LH and RH terminal 1 (with vanity lamps)
to room lamp 2nd row terminal 2, and
to cargo lamp terminal 2.
When front room/map lamp assembly switch is ON, ground is supplied
through front room/map lamp assembly terminal 3
to grounds M57, M61 and M79.
When vanity lamp (LH and RH) is ON, ground is supplied
to vanity lamp LH and RH terminal 2
through grounds B7 and B19.

When the cargo lamp switch is ON, ground is supplied through case ground of cargo lamp.

When room lamp 2nd row is ON, ground is supplied through room lamp case ground.

With power and ground supplied, the lamps illuminates.