Yadea C1S, Service Manual

Page: 60 / 88

Electrical System
58
Failure
phenomenon
Phenomenon confirmation Cause Analysis Troubleshooting
Faulty horn
1. When press the horn button,
the horn does not ring, the meter
has no fault reminder, and the
horn is normal during self-test.
2. When press the horn button,
the horn does not ring, the meter
has fault reminder, connect
the Yadea APP, and the fault
detection shows the horn is faulty.
3. When press the horn button,
the horn rings, the meter has fault
reminder, connect the Yadea APP,
and the fault detection shows the
horn is faulty.
4. The horn always lights when
the power is on, and also rings
during fault detection.
1. The central control does not
receive the horn button signal
2. The central control judges that
the horn is faulty.
3. The central control judges that
the horn is faulty.
4. Faulty central control
1. Replace the horn button,
check the horn button to the
central control wire, and replace
the central control.
2. Replace the horn, check
the horn wire, and replace the
central control.
3. Replace the horn and replace
the central control.
4. Replace the central control.
All lights All lights do not light All lights are not powered
Replace the DC-DC, check the
vehicle wires and replace the
central control