Fault Diagnostic Program Of Direction Indicator Lamp - ZONGSHEN ZS250GY-3 Service Manual

Some turning lights of one side
don't illuminate.
Remove the cover of turning
light and check whether of
turning light is burned-out.
Yes
Measure the voltage
R e p l a c e
of connecting point
of turning
of light holder power
light.
wire to the ground
with voltage meter.
The voltage is normal
and there is voltage
display.
The connection of
light holder is bad
or the connection
between direction
indicator light bulb
and holder is bad.
Remove the connecting component of turning lights.
With a lead,make short circuit from the power import
of turning light switch to the power lead of left/right
turning light.
After short circuit,turning light will
illuminate.
The inner connecting point of turning light
switch has bad connection.
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2.8 fault diagnostic program of direction indicator lamp

Turning light doesn't illuminate.
All turning light of one side
don't illuminate.
Remove the cover of turning light
and check whether of turning light
is burned-out.
No
Yes
R e p l a c e o f
turning light.
The voltage is not
normal and there is no
voltage display.
The side export
power wire has
open circuit or the
light holder has
The power wire of
bad connection.
holder has open
circuit.
Yes
After short circuit,turning light still
cannot illuminate.
Yes
Af ter shor t circuit,turning light still
cannot illuminate.
The power lead of
turning light has open
circuit or short circuit.
No
R e m o v e t h e c o n n e c t i n g
component of turning light switch.
Measure the turning light switch
with ohmic meter and check
whether its problem is solved.
Yes
The inner connecting
point of turning light
s w i t c h h a s b a d
connection.
Yes
Turn on/off turning light switch.
Make short circuit for two ends of
flasher with a lead or a screwdriver.
After short circuit,turning light
can illuminate.
F l a s h e r i s
damaged.
No
Check whether the power import lead of turning
light switch has power export with a method of
connecting a bulb.
Yes
The bulb can The bulb cannot
illuminate. illuminate.
The circuit between ignition switch
and flasher or between flasher and
turning light switch has open circuit
or short circuit.
All turning light don
illuminate.
Press horn button and
check electric horn.
Electric horn
Electric horn
makes retund
makes no sound
sound.
or is barbarous.
T h e p o w e r
The battery is
supply of storage
low.
battery is normal.
No
Remove the cover of
turning light and check
whether of turning light is
burned-out.
Replace of turning light
and check whether the
commutated adjuster
works well.
No
No
No