23-133 HONDA CIVIC 1998 6.G Workshop Manual
Page 1603 of 2189
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Page 1612 of 2189
Gauge/Sending Unit Test
[email protected] Do not smoke while working on tho fuel
system. Keep open tlame away trom your wotk atea.
NOTE: Refer to page 23-133 for the fuel gauge system
'1. Check the No. 25 (7.5 A) fuse in the under-dash fuse/
relay box before testing.
2. Remove the access panel from the floor.
Disconnect the 3P connector from the fuel gauge
Connect the voltmeter positive probe to the No. 2
terminal and the negative probe to the No. I termi-
nal, then turn the ignition switch ON (ll).
There should be between 5 and 8 V.
. lf the voltage is as specified, go to step 5.
. lf the voltage is not as specified. check for:- an open in the YEUBLK or BLK wire.- poor ground (G552).
Turn the ignition switch OFF.
Attach a jumper wire between the No. 1 and No. 2
terminals, then turn the ignition switch ON (ll).
1.Check that the pointer of the fuel gauge starts mov-
ing toward the "F" mark.
CAUTION: Turn the ignition switch OFF before thepoinier reaches "F" on ihe gauge dial. Failure to do
so may damage 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 bimetaltype.
. lf the pointer of the fuel gauge does not move at
all, replace the gauge.
. lf the gauge is OK. inspect the fuel gauge send-
Remove the fuel gauge sending unit as shown.