Yadea C1S, Service Manual

Page: 59 / 88

Electrical System
57
Failure
phenomenon
Phenomenon confirmation Cause Analysis Troubleshooting
Faulty high
beam lights
1. When the headlight is on,
press the high beam light button,
the high beam headlight does
not light, the meter has no fault
reminder, and the high beam light
will flash during the self-test.
2. When the headlight is on, press
the high beam light button, the
high beam headlight does not
light, the meter has fault reminder,
connect the Yadea APP, and the
fault detection shows that the high
beam light is faulty.
3. When the headlight is on, press
the high beam light button, the
high beam headlight does not
light, the meter has fault reminder,
connect the Yadea APP, and the
fault detection shows that the high
beam light is faulty.
4. The high beam light always
lights when the power is on, and
the light can not be off during self-
test.
1. The central control does not
receive the high beam light signal
2. The central control judges that
the high beam light is faulty.
3. The central control judges that
the high beam light is faulty.
4. Faulty central control
1. Replace the high beam light
switch, check the signal of high
beam light signal to the central
control wire, and replace the
central control.
2. Replace the headlight, check
the high beam light wire, and
replace the central control.
3. Replace the headlights, and
replace the central control.
4. Replace the central control.
Faulty
position light
and license
light
1. Either the position light or
license light does not light before
or after power is on, or none at all.
2. The position light and license
light light after power is on, the
meter has fault reminder, connect
the Yadea APP, and the fault
detection shows the position light
is faulty.
3. The position light and license
light always light during self-test..
1. The central control judges that
the position light and license light
are faulty.
2. The central control judges that
the position light and license light
are faulty.
3. Faulty central control 1. Replace the unlit light ,
check the wire of front and rear
position light and license light,
and replace the central control.
2. Replace the unlit light, and
replace the central control.
3. Replace the central control.
Faulty brake
light
1. Pinch the brake lever, the brake
light does not light, the meter has
no fault reminder, and the brake
light flashes normally during self-
test.
2. Pinch the brake lever, the brake
light does not light, the meter has
fault reminder, connect the Yadea
APP, and the fault detection
shows the brake light is faulty.
3. The brake light always lights
when the power is on, and the
light can not be off during self-
test.
1. The central control does not
receive the brake light signal
2. The central control judges that
the brake light is faulty.
3. The central control drives brake
light MOS break down. 1. Replace the brake lever,
check the electronic brake wire,
and replace the central control.
2. Replace the brake light, check
the electronic brake wire.
3. Replace the central control.