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WIRING HARNESS
- Troubleshootina
a-17
16B0222
Function switch
16B022f
INSPECTION
1. VISUAL
AND
AURAL
CHECKS
Check relay operation,
blower
motor rotation,
light illumina-
tion, etc. visually or aurally. The flow of current
is invisible
but can be checked
by the operation
of the parts..
2.
SIMPLE
CHECKS
For example,
if a headlight
does not come on and a faulty
fuse or poor grounding
is suspected,
replace the fuse with a
~
new one or ground
the light to the body by a jumper
wire to
determine
which
part is responsible
for the problem.
3.
CHECKING
WITH
INSTRUMENTS
Use an appropriate
instrument
in an adequate
range and
read the
indication
correctly.,
You must
have
sufficient
knowledge
and experience
to handle instruments
correctly.
INSPECTION INSTRUMENTS
In inspection,
make
use of the following
instruments.
1. TEST LAMPS
A test lamp consists
of a 12 V bulb and lead wires. It is used
to check
voltages
or shortcircuits.
2.
SELF-POWER
TEST LAMP
A self-power
test lamp consists
of a bulb, battery
and lead
wires connected
in series. It is used to check continuity
or
grounding.
1680226
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