Subaru XT 1988 Service Manual page 1404

I
6-3
WIRING DIAGRAM AND TROUBLESHOOTING
(1) Speed alarm buzzer does not sound when car speed is 88 km/h (55 MPH).
Turn ignition switch to ON.
No
Check if speed alarm key switch
is turned ON.
Turn key switch ON.
Yes
Check if buzzer sounds when
No No
speed alarm terminal of meter
Check if harness anp connector
J
l
Connect.
J
harness connector is grounded.
are connected properly.
~
Ves
Yes
Replace buzzer.
Check if lead wires inside meter
No
are connected properly.
Connect.
Yes
Faulty meter.
Replace speedometer.
(2) Speed alarm buzzer continues to sound.
Check if buzzer stops when Lead wire between speedometer
No
JR'
1
meter harness connector is dis- connector and buzzer is
I
epalr.
connected.
grounded.
I
Yes
Check if lead wire inside meter is
No
Faulty meter.
shorted.
Replace speedometer unit.
I
Yes
Repair.
~
132