Subaru 1600 Service Manual page 840

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ELECTRICAL SYSTEM
2) Horn
Horn will not sound.
Ves
See if horn circuit fuse (lOA) in
F use is blown.
I J
Replace fuse.
fuse box is blown.
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I
No
Check for voltage of 12 V be-
tween horn
connector O.5G
No -'
Break in harness between bat·
tery and horn.
Repair harness and connector.
(power source) and ground
(body).
Ves
Determine if
horn sounds by
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No
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grounding horn terminal (ground-
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Horn is defective.
-I
Replace horn.
ing side).
Ves
Ground 0.5 wire in steering wheel
No
Break in harness between horn
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to see if hor.l sounds. grounding terminal and combina- I
Repair harness and connector.
tion switch.
Ves
Repair faulty contact between
brush on combination switch side
and ring on steering wheel side.
Either horn switch or grounded
Repair horn switch or grounded
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part of steering column is de-
part of steering column.
feclive.
Horn has low volume or cracked
or vibrating tone.
l
Check mou ting bol IS for loose-
ness, horn cord for proper ten-
No
1 Repair defective points.
sion, and horn for interference
with other parts.
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Ves
Start engine (increase voltage to I
Low sound.
i Loosen lock nut. and turn adjust-
normal level). and sound horn.
I
I ing screw counterclockwise at
pitch of abou t 20°.
H
Cracked sound.
Loosen lock nut. and adjust by
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turning adjusting screw clockwise
20 to 30°.
Not.:
B.
sur. to tightln
lock nut firmly foI-
L.!
Vibrating sound.
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Loosen lock nut. and adjust by
lowing IdjUltment.
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turning right and/or left at pitch
of about 200.
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15-177 I
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