Sentra GXE L4-1.8L (QG18DE) (2000)
Courtesy Lamp: Description and Operation
With Power Door Locks and Without Multi-Remote Control System
Power Supply and Ground
Power is supplied at all times:
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through 10 A fuse (No. 13, located in the fuse block (J/B)]
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to time control unit terminal 2 and
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to trunk room lamp terminal 1.
Power is supplied at all times:
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through 10 A fuse [No. 12, located in the fuse block (J/B)]
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to key switch terminal 2.
When the key is removed from ignition key cylinder, power is interrupted:
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through key switch terminal 1
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to time control unit terminal 11.
With the ignition key switch in the ON or START position, power is supplied:
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through 10 A fuse [No. 10, located in the fuse block (J/B)]
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to time control unit terminal 13.
Ground is supplied:
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to time control unit terminal 6
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through body grounds M28 and M54.
When the front driver side door is opened, ground is supplied:
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through body grounds B13 and B19
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to front door switch LH terminal 3
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from front door switch LH terminal 2
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to time control unit terminal 7.
When any other door (except front driver side door) is opened, ground is supplied to time control unit terminal 9 in the same manner as the front door
switch LH.
When the front driver side door is unlocked, the time control unit receives a ground signal:
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through body grounds M28 and M54
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to front door lock actuator LH (door unlock sensor) terminal 4
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from front door lock actuator LH (door unlock sensor) terminal 2
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to time control unit terminal 22.
When a signal, or combination of signals is received by the time control unit, ground is supplied:
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through time control unit terminal 16
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to interior lamp terminal DR.
With power and ground supplied, the interior lamp illuminates.
Switch Operation
When interior lamp switch is in the ON position, ground is supplied:
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through case ground of interior lamp
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to interior lamp.
Power is supplied:
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to interior lamp terminal +
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from time control unit terminal 3.
When map lamp (LH and/or RH) is ON, ground is supplied:
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through body grounds M28 and M54
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to map lamp terminal
Power is supplied:
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to map lamp terminal +
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from time control unit terminal 3.
When vanity lamp (LH and/or RH) is ON, ground is supplied:
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through body grounds M28 and M54
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to vanity lamps (LH and RH) terminal 2.
Power is supplied:
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to vanity lamps (LH and RH) terminal 1
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from time control unit terminal 3.
When trunk room lamp switch is ON (trunk lid is opened), ground is supplied:
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through body grounds B13 and B19
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to trunk room lamp switch terminal -
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from trunk room lamp switch terminal +
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to trunk room lamp terminal 2
With power and ground supplied, interior lamps turn ON.
Interior Lamp Timer Operation