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ENGINE
COOLANT
TEMPERATURE
METER
AND
INDICATOR
Engine coolant temperature sensor inspection.
(c::::77-8)
• Lift up the fuel tank. (c::::75-5)
• Disconnect the engine coolant temperature sensor coupler
CD.
I
CAUTION
I
When connecting and disconnecting the engine cool-
ant temperature sensor lead wire coupler, make sure
to turn OFF the ignition switch, or electronic parts
may get damaged.
• Connect the variable resistor ® between the terminals.
• Turn the ignition switch ON.
• Check the LCD and LED operations when the resistance is
adjusted to the specified values.
Resistance
®
LED@
LCD© LCD©
Water
temperature
2.45 kQ and over
OFF
"
---
"
-
66
of
and below
Approx.
0.811
kQ
OFF
"122"
-
Approx. 122
of
Approx.
0.1
kQ
ON
ON
"248"
-
"282"
Flicker
248 - 282
of
oQ (Jumperwire)
ON
"HI" Flicker
284
of
and over
If either one or all indications are abnormal, replace the combi-
nation meter with a new one.
NOTE:
If
the engine stop switch is turned
OFF
while the ignition switch
is ON, the LCD displays "CHEC". But it is
not
a malfunction.
This condition implies that combination meter receives no signal
from the ECM.
In that case, they are restored to normal indication by turning the
engine stop switch to RUN position.
ELECTRICAL
SYSTEM
9-27
~
_
__
_._.
' ..
~-----_._-----_
_._-_
---..
'.\.
-
~"
ECT
A sensor
Variable resister
,