Nissan Silvia. Instruction — part 192
Wiring Diagram — INT/L —
NMEL0323
TEL800B
GI
MA
EM
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
SPOT AND TRUNK ROOM LAMPS
Wiring Diagram — INT/L —
EL-57
Component Parts and Harness Connector
Location
NMEL0041
SEL255Y
System Description
NMEL0042
UNIFIED CONTROL METER
NMEL0042S06
I
Speedometer, odo/trip meter, tachometer, fuel gauge and water temperature gauge are controlled totally
by unified meter control unit built-in combination meter.
I
Digital meter is adopted for odo/trip meter.*
*The record of the odo meter is kept even if the battery cable is disconnected. The record of the trip meter
is erased when the battery cable is disconnected.
I
Odo/trip meter segment can be checked in diagnosis mode.
I
Meter/gauge can be checked in diagnosis mode.
POWER SUPPLY AND GROUND CIRCUIT
NMEL0042S08
Power is supplied at all times
I
through 10A fuse [No. 28, located in the fuse block (J/B)]
I
to combination meter terminal 13.
With the ignition switch in the ON or START position, power is supplied
I
through 10A fuse [No. 11, located in the fuse block (J/B)]
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to combination meter terminal 12.
Ground is supplied
I
to combination meter terminal 9
I
through body grounds M1 and M67.
WATER TEMPERATURE GAUGE
NMEL0042S01
The water temperature gauge indicates the engine coolant temperature. The reading on the gauge is based
on the resistance of the thermal transmitter.
As the temperature of the coolant increases, the resistance of the thermal transmitter decreases. A variable
ground is supplied to terminal 18 of the combination meter for the water temperature gauge. The needle on
the gauge moves from “C” to “H”.
TACHOMETER
NMEL0042S02
The tachometer indicates engine speed in revolutions per minute (rpm).
The tachometer is regulated by a signal
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from terminal 2 of the ECM
I
to combination meter terminal 15 for the tachometer.
METERS AND GAUGES
Component Parts and Harness Connector Location
EL-58
FUEL GAUGE
NMEL0042S03
The fuel gauge indicates the approximate fuel level in the fuel tank.
The fuel gauge is regulated by a variable ground signal supplied
I
to combination meter terminal 17 for the fuel gauge
I
from terminal 2 of the fuel level sensor unit
I
through terminal 4 of the fuel level sensor unit and
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through body grounds B2, B18 and T19.
SPEEDOMETER
NMEL0042S04
The combination meter provides a voltage signal to the ABS control unit for the speedometer.
The voltage is supplied
I
from combination meter terminal 14 for the speedometer
I
to terminal 11 of ABS control unit.
The speedometer converts the voltage into the vehicle speed displayed.
TIME CONTROL SYSTEM
NMEL0042S09
For time control system operation, refer to “UNIFIED METER CONTROL UNIT (TIME CONTROL SYSTEM)”,
EL-131.
GI
MA
EM
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
METERS AND GAUGES
System Description (Cont’d)
EL-59
Combination Meter
NMEL0043
CHECK
NMEL0043S01
CEL312A
METERS AND GAUGES
Combination Meter
EL-60
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