Honda Acura NSX 1991 Service Manual page 1120

Fuel Gauge
NOTE:
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Refer page 23- 126 for wiring description of the
to
fuel gauge system circuit.
Check the No.5 (IO A) fuse in the dash fuse box be-
fore testing.
Remove the maintenance access cover.
1 .
2. Disconnect the 3-P connector from the fuel gauge
sending unit.
A (YELIBLU)
23-l 34
MAINTENANCE
ACCESS COVER
3. Connect the voltmeter positive probe to the B
C (BLK) terminal, then turn the ignition switch ON.
There should be between 5 and BV.
If the voltage is not as specified, check for:
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4. Turn the ignition switch OFF. Attach a jumper wire
between the B (YEL/WHT)
Turn the ignition switch ON.
Check that the pointer of the fuel gauge starts mov-
ing toward "F" mark.
CAUTION: Turn the ignition switch OFF before the
pinter reaches "F" mark on the gauge dial. Failure
to turn the ignition switch OFF before the pointer
reaches the "F" mark may cause damage to the fuel
gauge.
NOTE: The fuel gauge is a bobbin (cross coil) type,
hence the fuel level is continuously indicated even
when the ignition switch is OFF, and the pointer
moves more slowly than that of a bimetal type.
l If the pointer of the fuel gauge does not swing
at all, replace the gauge.
Inspect the fuel gauge sending unit if the gauge
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is OK.
and C (BLK) terminals.