TROUBLESHOOTING
HORN
Symptom
Sound volume of horn is low
or fluctuates
Probable cause 1
A loose or bent adjustment screw
Water, dirt, or other foreign matter lodged inside
A loose horn or bracket mounting bolt
A drop in battery:voltage
A poor connection of the horn switch
Remedy
Adjust the horn
Replace the horn
Tighten the bolt
Check the battery
Repair or replace the horn switch
A poor connection of the horn ground terminal
Repair
Horn does not sound
Inspect while the ignition key
is in the “AU? position
I
, /
Is fuse block No. 8 OK?
Yes
No
A short-circuited wiring
m harness (damaged wiring
harness, burnt cover, etc.)’
Repair the harness and
w replace the fuse
t
Is 12 V indicated between the
Does horn sound when it is dis-
Repair the harness
0.85-B wire of the horn connec-
No connected and connected to
No
tor terminal and ground? * different battery of specified
.
voltage?
Yes
Yes
I
Dose the horn sound when
the column switch connector
is disconnected and the
0.85-B wire of the connector-
~terminal is grounded?
Yes
No
.
Adjust. or replace the horn as
necessary ’
-{~~$&r?~t&~und ’
w ’
Repair the horn switch or
correct the ground connection
8-62