Yingang YG125-30B, Руководство пользователя

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YG125-30B Maintenance Manual Electrical starting control system
144
Major faults diagnosis
Phenomenon Possible causes Solutions
l
Winker indicator is out of
work
l
Meter dial illuminator is out
of work
l
Speedometer is out of work
l
Tachometer of generator is
out of work
l
The winker indicator filament is burnt
out
l
The meter dial illuminator filament is
burnt out
l
The speedometer is damaged
．
l
Tachometer of generator is damaged
．
l
Replace winker indicator bulb
l
Replace meter dial
illuminatorbul
l
Replace speed meter
l
Replace tachometer
l
There is no mileage
increasing indication upon
vehicle speed
l
Meter failed
l
Replace meter
l
Speedometer is out of work
l
Soft shaft is broken
l
Replace speedometer soft shaft
assembly
l
Engine speed indication
failure
l
Line poorly plugged or open circuit;
l
Meter failed;
l
ECU failed;
l
Re-plug or repair;
l
Replace meter;
l
Replace ECU
l
Fuel level indication failure:
l
No indication while there is
fuel;
l
Having indication while there
is no fuel,
l
Fuel sensor failed or float is blocked;
l
Meter failed;
l
Line poorly plugged, open or short
circuit.
l
Replace fuel sender;
l
Replace meter;
l
Re-plug or repair.
l
Meter backlight source
doesn
’
t illuminate
l
Line poorly plugged or open circuit;
l
Meter failed
l
Re-plug or repair;
l
Replace meter;
l
Meter can
’
t communicate
with ECU;
l
Line poorly plugged or open circuit;
l
Meter failed;
l
ECU failed;
l
Re-plug or repair;
l
Replace meter.
l
Replace ECU
l
Turn indicator filament is
burnt out
l
Headlight high-beam
indicator filament is burnt
out
l
Line poorly plugged or open circuit;
l
Meter failed;
l
Re-plug or repair;
l
Replace meter;
l
LCD fails to switch mode
l
Meter failed
l
Replace meter
l
Soft shaft is broken
．
l l
Replace speedometer soft shaft
assembly