Yadea Y1S Series User Manual

YD-EM279
31
PREMIUM E-MOBILITY
No ringing: the horn does not ring after the horn button is
pressed.
(1) Input voltage check:
Remove the horn, trun on power lock and
check whether the horn connector input end
has 12V voltage input with the DC voltage
gear of the multimeter when pressing the
horn button.
No 12V out-
put
1. Terminal check
2. Horn button switch check
3. Line check
12V output
Horn check
(2) Terminal check:
Check the terminal appearance: fracture,
corrosion and oxidation
No
Judge terminal OK
Yes
Replace the terminal
(3) Horn button check:
Appearance: no breakage or cracking
Operation check: after the button is pressed,
it can rebound without stuck phenomenon
Performance: test normal continuity using the
on - off gear of the multimeter
No
Judge button OK
Yes
Replace the button
(4) Line check:
Wire appearance: no breakage or cracking
Continuity check: check 12V output by the on
- off gear of the multimeter
No
Judge wire OK
Yes
Replace or repair the wire

Yadea Y1S Series Specifications

General

Brand	Yadea
Model	Y1S Series
Category	Motorcycle
Language	English