Bulb Types; Bulb Inspection - Yamaha SZR 660 Service Manual

SWITCH CHECK/
LIGHT INSPECTION
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BULB INSPECTION
NOTE:
Use
the thin
tester terminals
to
check continuity, as
the terminals might come
into
contact
with
others
inside the connector.
• Check
continuity
between "R and
Br*
at
switch
positions
ON
(1),
OFF
(2),
LOCK
(3)
and
PARK
(4).
There must
be continuity
(ie
the tester
must
show "0")
at
ON
and
there
must be no
continuity
{ie
the tester
must show
"«»
)
at
OFF,
LOCK
and
PARK.
Something
is
not working between
M
R and
Br*
if
there
is
no
continuity
between
these
two
points at position
ON,
or
if
there
is
some
continuity
in
one
of the other positions
OFF,
LOCK
or
PARK.
NOTE:
Check
switch continuity various times.
5.
Continue
to
check
continuity
between
T
and
UR*
and *R and
L/R" in
the respective switch
positions
in
the
manner
described above.
6.
If
anything
wrong
is
noted
in
any
of
the combi-
nations, replace the switch
component.
LIGHT INSPECTION (HEADLIGHTS,
TAIL
LIGHT
ANDBRAKE
LIGHTS,
DIRECTION
INDICATOR
LIGHT,
INSTRUMENT
LIGHTS, ETC)
Check
the continuity
between
the bulb terminals
to
see that they are
undamaged.
BULB TYPES
The
bulbs used are classified as
shown
to
the
left
according to type
of
attachment.
(A)
and
(B)
are used mainly
for
headlights.
(C)
is
used mainly
for
direction indicator
lights
and
the rear
and brake
tights.
(D)
and
(E) are
used
especially for
instrument and
other
indication lights.
BULB
INSPECTION
1
,
Remove
the bulb
in
question.
NOTE:
Bulbs
of type (A)
and
(B)
use special supports
{bulbhotders).
Remove
the bulbholder before
removing the
bulb.
Most
of
these bulbholders
may
be
removed
by turning
in
an
anticlockwise
direction.
Most
bulbs
of
type
(C)
and
(D)
may be removed
from
their
housing by pushing them and
turning
them
in
an anticlockwise direction.
Bulbs
of type
(E)
may
be
removed
simply
by
pulling
them
out.
CAUTION:
When
removing a bulb be careful to hold the
bulbholder
or
its
housing
firmly-
Never
pull
the
cable, as
it
might detach from the terminal
inside the connector.
WARNING
Keep inflammable products and hands
well
away
from bulbs
when
they are on (danger
of
bums
and
fire).
Do
not touch
the bulb before
it
is
coo!.
2.
Check
the continuity
between
the bulb
terminals.
Control
procedure:
• Set
the
tester
selector
to Q.
x
1
.
• Connect the tester terminals
to the
bulb pins.
Take,
lor
example, a three
pin
bulb as
shown
in
the figure. First
check
continuity
between
pins
( 1
and
(2),
connecting tester terminal
(+) to pin
(1)
and
terminal
(-) to
pole
(2).
Then check
the
continuity
between poles
(1)
and
(3),
again con-
necting tester terminal
(+) to
pole
(1),
and
termi-
nal
(-)
to
pole
(3). If
the tester indicates
<*>,
even
in
one case
only,
the bulb
must be
replaced.
3.
Check
the bulb attachment by installing a test
bulb.
Furthermore, during inspection
of
the
bulbs, connect the tester terminals
to
the
re-
spective socket cables
and check
continuity
as described.
8-7
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