Switch Operation

WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

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

through BCM terminal 1
to ignition keyhole illumination terminal 2.
And power is supplied
from BCM terminal 41
to ignition keyhole illumination terminal 1.
When any door switch is ON (door is opened), ground is supplied
through BCM terminal 47
to front step lamp (driver side and passenger side) terminals 2 and
to rear step lamp (RH and LH) terminals 2.
And power is supplied
from BCM terminal 41
to front step lamp (driver side and passenger side) terminals 1 and
to rear step lamp (RH and LH) terminals 1.
When rear door switch RH is ON (door is opened), ground is supplied
to personal lamp RH terminal 1
through rear door switch RH terminal 1
through case ground of rear door switch RH.
And power is supplied
from BCM terminal 41
to personal lamp RH terminal 2.
When rear door switch LH is ON (door is opened), ground is supplied
to personal lamp LH terminal 1
through rear door switch LH terminal 1
through case ground of rear door switch LH.
And power is supplied
from BCM terminal 41
to personal lamp LH terminal 2.
When map lamp switch is ON, ground is supplied
to map lamp terminal 1
through grounds M35, M45 and M85.
And power is supplied
from BCM terminal 41
to map lamp terminal 3.
When interior room lamp switch is ON, ground supplied (without DVD player)
to interior room lamp terminal 3
through grounds M35, M45 and M85.
And power is supplied (without DVD player)
from BCM terminal 41
to interior room lamp terminal 2.
When personal lamp RH or LH switch is ON, ground supplied
to personal lamp RH or LH terminal 3
through grounds M35, M45 and M85.
And power is supplied
from BCM terminal 41
to personal lamp LH or RH terminal 2.
When vanity mirror lamp (driver side or passenger side) is ON, ground is supplied
to vanity mirror lamp (driver side or passenger side) terminal 2
through grounds M35, M45 and M85.
And power is supplied
from BCM terminal 41
to vanity mirror lamp (driver side or passenger side) terminal 1.
When luggage room lamp (back door side) is ON, ground is supplied
to luggage room lamp (back door side) terminal 3
through grounds B15 and B45.
And power is supplied
from BCM terminal 41
to luggage room lamp (back door side) terminals 2.