TROUBLESHOOTING
GAUGES
Fuel Gauge and Unit
Is the fuel gauge indicator below
t-
the lowest marking on the scale
No
Fuel gauge malfunction
Check or replace the fuel gauge
while the ignition key is in the
.
“LOCK” or “ACC” position?
Yes
Set the ignition key to the
Is the No. 4 fuse OK?
No
Short-circuited wiring harness
* (damaged wiring harness, burnt
Repair the harness and replace
m the fuse
cover, etc.)
Yes
Does the tester needle remain
with in the area between 2 V
and 7 V when the voltage
between the Y wire on the
fuel gauge side and ground is
measured?
I
Yes
.
No
Constant voltage relay mal-
function
Replace the fuel gauge
(Constant voltage relay is built
.
. into the fuel gauge)
t
Does the fuel gauge needle go
above the scale’s highest marking
Fuel gauge malfunction
when a 17-a resistance is con-
No
* .
netted between the Y wire on
the fuel gauge side and ground?
Yes
Replace the fuel gauge
Fuel gauge unit malfunction
8-29
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