QX56 V8-5.6L (VK56DE) (2004)
/Page-2594002.png)
-
through case ground of glass hatch ajar switch
-
to BCM (body control module) terminal 42.
When the front driver or front passenger side door is unlocked by the door lock and unlock switch, BCM (body control module) receives serial data
-
through grounds terminals M57, M61 and M79
-
to main power window and door lock/unlock switch terminal 14 and power window and door lock/unlock switch RH terminal 16
-
to BCM (body control module) terminal 22.
When the front driver side door is unlocked by the key, the BCM (body control module) receives serial data
-
through grounds M57, M61 and M79
-
to front door lock assembly LH (key cylinder switch) terminal 5
-
from front door lock assembly LH (key cylinder switch) terminal 6
-
to main power window and door lock/unlock switch terminal 6
-
from main power window and door lock/unlock switch terminal 14
-
to BCM (body control module) terminal 22.
When a signal, or combination of signals is received by BCM (body control module), ground is supplied
-
through BCM (body control module) terminal 63
-
to door mirror LH and RH terminal 13
-
to front room/map lamp assembly terminal 1
-
through front room/map lamp assembly terminal 2
-
to personal lamps terminal 1 and
-
through BCM (body control module) terminal 49
-
to cargo lamp terminal 1.
With power and ground supplied, the lamps illuminate.
SWITCH OPERATION
When any door switch is ON (door is opened), ground is supplied
-
through BCM terminal 62
-
to front and rear step lamps LH and RH and foot lamp LH and RH terminal -.
And power is supplied
-
from BCM terminal 56
-
to front and rear step lamps LH and RH terminal +, door mirror LH and RH terminal 12, front room/map lamp assembly terminal 6, vanity lamps
terminal 1, personal lamps terminal 3, cargo lamp terminal 2 and foot lamp LH and RH terminal +.
When map lamp switch is ON, ground is supplied
-
through grounds M57, M61 and M79
-
to front room/map lamp assembly terminal 5.
When vanity mirror lamp (driver side and passenger side) is ON, ground is supplied
-
through grounds M57, M61 and M79
-
to vanity mirror lamp (driver side and passenger side) terminal 2.
When cargo lamp is ON, ground is supplied through cargo lamp case ground.
ROOM LAMP TIMER OPERATION
When lamp switch is in DOOR position, and when all conditions below are met, BCM performs timer control (maximum 30 seconds) for interior room
lamp and map lamp ON/OFF.
Power is supplied
-
from 10 A fuse [No. 19, located in the fuse block (J/B)]
-
to key switch and key lock solenoid terminal 3.
Key is removed from ignition key cylinder (key switch OFF), power will not be supplied to BCM terminal 37. Serial data is supplied
-
from BCM terminal 22
-
to power window main switch (door lock and unlock switch) terminal 14.
At the time that driver door is opened, BCM detects that driver door is unlocked. It determines that interior room lamp and map lamp timer operation
conditions are met, and turns the interior room lamps ON for 30 seconds.
Key is in ignition key cylinder (key switch ON),
