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POWER SUPPLY AND GROUND CIRCUIT
NAEL0297S03
Power is supplied at all times
I through 7.5A fuse [No. 24, located in the fuse block (J/B)]
I to combination meter terminal 62.
With the ignition switch in the ON or START position, power is supplied
I through 10A fuse [No. 8, located in the fuse block (J/B)]
I to combination meter terminal 66.
Ground is supplied
I to combination meter terminal 59
I through body grounds M4, M66 and M147.
WATER TEMPERATURE GAUGE
NAEL0297S04
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
NAEL0297S05
The tachometer indicates engine speed in revolutions per minute (rpm).
The tachometer is regulated by a signal
I from terminal 25 of the ECM
I to combination meter terminal 16 for the tachometer.
FUEL GAUGE
NAEL0297S06
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 3 of the fuel level sensor unit
I through terminal 2 of the fuel level sensor unit and
I through body grounds B11, B22 and D210.
SPEEDOMETER
NAEL0297S07
The ABS actuator and electric unit provides a voltage signal to the combination meter for the speedometer.
The voltage is supplied
I from combination meter terminal 15 for the speedometer
I to terminal 19 of the ABS actuator and electric unit.
The speedometer converts the voltage into the vehicle speed displayed.
GI
MA
EM
LC
EC
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
METERS AND GAUGES
System Description (Cont’d)
EL-119
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