Nissan Silvia. Instruction — part 189
TEL797B
GI
MA
EM
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
ILLUMINATION
Wiring Diagram — ILL — (Cont’d)
EL-45
TEL798B
ILLUMINATION
Wiring Diagram — ILL — (Cont’d)
EL-46
System Description
NMEL0165
POWER SUPPLY AND GROUND
NMEL0165S01
Power is supplied at all times:
I
through 10A fuse [No. 28, located in the fuse block (J/B)]
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to key switch terminal 1
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through 10A fuse [No. 26, located in the fuse block (J/B)]
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to interior room lamp terminal 1.
When the key is withdrawn from ignition key cylinder, power is interrupted:
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through key switch terminal 2
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to combination meter terminal 33.
With the ignition key switch in the ON or START position, power is supplied:
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through 10A fuse [No. 11, located in the fuse block (J/B)]
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to combination meter terminal 12.
When the driver side door is opened, ground is supplied:
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through case ground of door switch (driver side) and
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to door switch (driver side) terminal 1
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through body grounds B2 and B18
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to door switch (driver side) terminal 3
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from door switch (driver side) terminal 2
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to combination meter terminal 24.
When the passenger side door is opened, ground is supplied:
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through case ground of door switch (passenger side)
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to door switch (passenger side) terminal 1
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to combination meter terminal 5.
When the driver side door is unlocked, unified meter control unit (time control system) receives a ground sig-
nal:
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through body grounds terminals M1 and M67
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to door unlock sensor terminal 1
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from door unlock sensor terminal 2
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to combination meter terminal 22.
When a signal, or combination of signals is received by the unified meter control unit (time control system),
ground is supplied:
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through combination meter terminal 38
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to interior room lamp terminal 2.
With power and ground supplied, the interior room lamp illuminates.
SWITCH OPERATION
NMEL0165S02
When interior room lamp switch is ON, ground is supplied:
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through case grounds of interior room lamp
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to interior room lamp.
INTERIOR ROOM LAMP TIMER OPERATION
NMEL0165S03
When interior room lamp switch is in the “DOOR” position, the unified meter control unit (time control system)
keeps the interior room lamp illuminated for about 20 seconds when:
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unlock signal is supplied from door unlock sensor while all doors are closed and key is out of ignition key
cylinder
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key is withdrawn from ignition key cylinder while all doors are closed
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driver’s door is opened and then closed while key is out of the ignition key cylinder. (However, if the driv-
er’s door is closed with the key inserted in the ignition key cylinder after the driver’s door is opened with
the key withdrawn, the timer is operated.)
The timer is canceled when:
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driver’s door is locked,
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driver’s door is opened, or
GI
MA
EM
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
INTERIOR ROOM LAMP
System Description
EL-47
I
ignition switch is turned ON.
When driver’s door is locked, interior room lamp timer is canceled as described before.
ON-OFF CONTROL
NMEL0165S04
When the driver side door or passenger door is opened, the interior room lamp turns on while the interior room
lamp switch is in the “DOOR” position.
INTERIOR ROOM LAMP
System Description (Cont’d)
EL-48
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