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STEERING
WHEEL
SWllTCH
SYSTEM
Trouble-shooting
(Cont'd)
1
Audio cannot
be
operated by the steering wheel switch when
the
ignition swttch
IS
set
to ACC or ON position
a
The radio does not operate when the SW switch of the steering wheel
switch
is
pressed with
the
ignition switch
set
to ACC or ON
a
Operation of the tape deck, changeover between AM and FM modes. or
SCAN tuning
fails
when the PLAY, AMlFhl, or SCAN switch
of
the
steering wheel switch
is
pressed with the radio ON
Yes
When
the
receiver
IS
replaced, does
the
audio system recover?
1
c
No
Replace transmitter
Check fuse on
the
radio or replace
radio if necessary
Are
the
switches (PLAY. AMIFM,
I
SCAN,
etc
)
on the radio operative?
Check harness between radio
and
receiver
When pressing the SW. PLAY, AMIFM
or
SCAN switch on the steering wheel
switch, check output voltage of the
receiver
(Refer to "RECEIVER CHECK"
)
I
I
~~
Replace steering wheel switch for
Are the SW. PLAY, SCAN, and
AMIFM switches conducting?
(Refer to "STEERING WHEEL
SWITCH CHECK"
)
EL-139
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