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~
STEERING WHEEL SWITCH SYSTEM
Head
Amplifier Check
1
Remove steering column cover.
2
Turn ignition switch to
ON.
3.
Check voltage between terminals
at
harness
connector for head amplifier referring to chart
below.
(Leave
the harness connector for head ampli-
fier to be connected
)
Harness
-Y7
Check
from
headempltfw
rlde
SEL661 E
Check item
I
I
Approx
12
Power supply
input
--
Slip
Ring
Check
POWER SUPPLY VOLTAGE CHECK
1.
Remove steering column cover.
2.
Disconnect harness connector for
slip
ring
at
the back
of
combination switch
3
Remove steering wheel
4.
Remove combination switch with harness con-
nected.
5
Check voltage between terminals
@I
and
@
when the ignition switch
is
turned to
ON.
Specified voltage: Approx. 12V
SEL662E
CONTINUITY CHECK
1.
Remove slip ring from steering wheel
2.
Check continuity between terminals
@I
and
Q9.
Continuity exists
..
O.K.
SEL663E
EL-I
43
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