Toyota Celica Supra 1986 Service And Repair Manual page 578

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BE·30
EM - lnmuments and Sender Gauges
BODY ELECTRICAL SYST
Fuel Gaute
Test Bulb 3,4W
Ignition Switch
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Fuel G1ugc
T Ut Bulb 3.4W
Ignition Switch
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el Gauge
Fu
INS
1.
PECTION OF FUEL GAUGE
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INSPECT RECEIVER GAUGE OPERATION
(a)
Disconnect the connector from the fuel sender-
Turn the
ignit ion switch on and checl< that
tht
receiver
gauge
needle moves to the empty position.
(b) Connect
the 3.4W test
bulb
bet~n
terminal
2 and
body ground. Check that the bulb lights and the
receiver
geuge
needle operates.
NOTE:
Because of the silicon oil in the gauge, it will
take about
90
seconds for the needle to stabil ize.
If
indications are not
as specified, remove and test tho
receiver gauge.
2 .
MEASURE RECEIVER GAUGE RESISTANCE
BETWEEN TERMINA LS
Bttwttf'l
terminals
Resistance
Cnl
IG-U A.pc>rox.
101.9
U-E Approx. 1 01 .3
IG - E
Approx. 203.2
If each resistance value is not as shown in the table above.
replace the receiver gauge.
3.
MEASURE RESISTANCE OF SENDER GAUGE
(a)
Check that the resistance changes as the float is moved
from the top to bottom position.
(b)
Measure tha resistance between terminals
2
and
3
for
each float position.
Flott 1)01i1ion
nvn {in.l RHilt.-101
F 43.7- 49.711 .720- 1.9571
3! 2.1
%
135.115.3191 32.514.8
e
200.2 - 206.217.882- 8.1181
110 i 1.1
If each resistance value is not as shown in the table abovt,
replace the sender gauge.
el l evel Warning
Fu
INS
PECTION OF FUEL LEVEL WARNIN G
1. INSPECT WARNING LIGHT OPERATION
(a) Disconnect the connector from the switch. Conneet .
the switch termonal 1 and body ground .
(b) Tum the ignition switch on. Check that the bulb
lights.
If
operation is not as specified, remove and test the bulb.
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