Subaru XT 1988 Service Manual page 1325

WIRING DIAGRAM AND TROUBLESHOOTING
6-3
6) Fuel Guage and Fuel Gauge Unit
Turn on ignition switch.
Check thermometer for normal
No
operation.
Yes
Remove connector from fuel
gauge unit. Connect resistor
(7nl
No
to BY lead on harness side and to
ground. and see if meter points at
1 (F).
Yes
Fuel unit is defective.
Replace fuel unit.
Fuel gauge (meter) and fuel gauge (meter)
unit are not properly conditioned.
Determine whether
appears at terminal
12V
on
No
Pointer will not operate.
• Pointer remains in high posi·
tion.
• Pointer remains in low posi·
tion.
I naccurate indication.
I
I
Harness is defective.
I
back of meter.
Lr
Re·'·"1
Yes
No
Yes
r
Fuse is blown.
r
J
I
Determine if fuse in fuse
I'
Replace fuse.
box is blown.
\,.
I
Determine if 12V appears
at fuel gauge unit BY lead No/,
Check if 12V appears at
after disconnecting it from
\"
#24 terminal of 21·P con·
nector (brown).
the unit.
Yes
Yes
No
I
Thermometer is defective.
I
I
Fuel gauge is defective.
-l
Replace.
J
Replace fuel gauge.
l
Harness is defective.
I
"-----I Re p air.
53