Frontier XE 4WD L4-2.4L (KA24DE) (1998)
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Dome Lamp: Description and Operation
MODELS WITH POWER DOOR LOCKS
Power supply and ground
Power is supplied at all times:
^
through 30 A fusible link (Letter [f], located in the fuse and fusible link box)
^
to circuit breaker terminal (1)
^
through circuit breaker terminal (2)
^
to smart entrance control unit terminal (1).
Power is supplied at all times:
^
through 7.5 A fuse [No. [28], located in the fuse block (J/B)]
^
to key switch terminal (1).
Power is supplied at all times:
^
through 7.5 A fuse [No. [26], located in the fuse block (J/B)]
^
to room lamp terminal (+).
When the key is inserted into ignition key cylinder, power is supplied:
^
from key switch terminal (2)
^
to smart entrance control unit terminal (24).
With the ignition switch in the ON or START position, power is supplied:
^
through 7.5 A fuse [No. [5], located in the fuse block (J/B)]
^
to smart entrance control unit terminal (11).
Ground is supplied:
^
through body grounds (M14) and (M68)
^
to smart entrance control unit terminal (10).
When the LH door is opened, ground is supplied:
^
from door switch LH terminal (2)
^
to smart entrance control unit terminal (15).
When the RH door is opened, ground is supplied:
^
from door switch RH terminal (1)
^
to smart entrance control unit terminal (35).
When the LH door is unlocked, the smart entrance control unit receives a ground signal:
^
through body grounds (M14) and (M68)
^
to door unlock sensor terminal (4)
^
from door unlock sensor terminal (2)
^
to smart entrance control unit terminal (12).
When a signal, or combination of signals is received by the smart entrance control unit, ground is supplied:
^
through smart entrance control unit terminal (9)
^
to room lamp terminal (SW).
With power and ground supplied, the interior room lamp illuminates.
Switch operation
When the room lamp switch is ON, ground is supplied:
^
through body grounds (M14) and (M68)
^
to room lamp terminal (-).
With power and ground supplied, the room lamp turns ON and remains ON until the room lamp switch is turned to OFF or turned to the "DOOR"
position and the doors are closed.
Interior room lamp timer operation
When the room lamp switch is in the "DOOR" position, the smart entrance control unit keeps the interior room lamp illuminated for about 30
seconds when:
^
LH door is unlocked
^
key is removed from ignition key cylinder while driver's door is closed
^
driver's door is opened and then closed while ignition switch is not in the ON position.
