Sentra L4-1.8L (QG18DE) (2004)
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Courtesy Lamp: Description and Operation
INTERIOR, MAP, VANITY and TRUNK ROOM LAMPS
System Description
WITHOUT POWER DOOR LOCKS
Power Supply and Ground
Power is supplied at all times:
-
through 10 A fuse [No. 13, located in the fuse block (J/B)]
-
to interior lamp terminal +.
Switch Operation
When interior lamp switch is in the DOOR position and any door is opened, ground is supplied to interior lamp through the door switches.
When interior lamp switch is in the ON position, ground is supplied:
-
through case ground of interior lamp
-
to interior lamp.
WITH POWER DOOR LOCKS
Power Supply and Ground
Power is supplied at all times:
-
through 10 A fuse (No. 37, located in the fuse and fusible link box)
-
to smart entrance control unit terminal 10.
Power is supplied at all times:
-
through 10 A fuse [No. 12, located in the fuse block (J/B)]
-
to key switch terminal 2 and
-
through 10 A fuse [No. 13, located in the fuse block (J/B)]
-
to trunk room lamp terminal 1.
When the key is removed from ignition key cylinder, power is interrupted:
-
through key switch terminal 1
-
to smart entrance control unit terminal 32.
With the ignition key switch in the ON or START position, power is supplied:
-
through 10 A fuse [No. 10, located in the fuse block (J/B)]
-
to smart entrance control unit terminal 33.
Ground is supplied:
-
to smart entrance control unit terminal 16
-
through body grounds M28 and M54.
Switch Operation
When map lamp (LH and/or RH) is ON, ground is supplied:
-
through body grounds M28 and M54
-
to map lamp terminal-
Power is supplied:
-
to map lamp terminal +
-
from smart entrance control unit terminal 17.
When vanity lamp (LH and/or RH) is ON, ground is supplied:
-
through body grounds M28 and M54
-
to vanity lamps (LH and RH) terminal 2.
Power is supplied:
-
to vanity lamps (LH and RH) terminal 1
-
from smart entrance control unit terminal 17.
When trunk room lamp switch is ON (trunk lid is opened), ground is supplied:
