Yadea C1S, Service Manual

Page: 56 / 88

Electrical System
54
Judgement method for maintenance of lighting system failure
Light failure analysis
Faulty body Phenomenon confirmation Cause Analysis Troubleshooting
Faulty left
front turn
signal
1. Press the left turn signal button,
the left front turn signal does not
light, the meter's left turn indicator
does not flash, the central control
has no turn prompt sound, the
meter has no fault reminder, and
the left front turn signal can flash
during light self-test.
2. Press the left turn signal button,
the left front turn signal does not
light, the meter's left turn indicator
flashes quickly, the central control
turn signal sounds quickly, and
the meter has a fault reminder.
3. The left front turn signal always
lights when the power is on, and
the light can not be off during self-
test.
4. Press the left turn signal
button, the left front turn signal
flashes quickly, the indicator light
of left turn signal flashes quickly,
the central control turn prompt
sounds quickly, and the meter has
a fault reminder.
1. The central control does not
receive the left turn signal switch
signal
2. The central control judges that
the left front turn signal is faulty or
the wire problem.
3. Faulty central control
4. The central control judges that
the left front turn signal is faulty.
1. Check the left combination
switch, check the signal of left
turn signal to the central control
wire, and replace the central
control.
2. Replace the left front turn
signal, check the left front turn
signal end wire, and replace the
central control.
3. Replace the central control.
4. Replace the left front turn
signal, and replace the central
control.
Faulty left
rear turn
signal
1. Press the left turn signal button,
the left rear turn signal does not
light, the meter's left turn indicator
does not flash, the central control
has no turn prompt sound, the
meter has no fault reminder, and
the left rear turn signal can flash
during light self-test.
2. Press the left turn signal button,
the left rear turn signal does not
light, the meter's left turn indicator
flashes quickly, the central control
turn prompt sound sounds
quickly, and the meter has a fault
reminder.
3. The left rear turn signal always
lights when the power is on, and
the light can not be off during self-
test.
4. Press the left turn signal
button, the left rear turn signal
flashes quickly, the meter's left
turn indicator flashes quickly, the
central control turn signal sounds
quickly, and the meter has a fault
reminder.
1. The central control does not
receive the left turn signal switch
signal
2. The central control judges that
the left rear turn signal is faulty or
the wire problem.
3. Faulty central control
4. The central control judges that
the left rear turn signal is faulty.
1. Check the left combination
switch, check the signal of left
turn signal to the central control
wire, and replace the central
control.
2. Replace the left rear turn
signal, check the left front turn
signal end wire, and replace the
central control.
3. Replace the central control.
4. Replace the left rear turn
signal, and replace the central
control.