16. ELECTRICAL EQUIPMENT SYM
16-4
TROUBLE DIAGNOSIS
Charging System
No power supply
z Dead battery
z Disconnect battery cable
z Fuse burned out
z Faulty ignition switch
Low voltage
z Weak battery
z Loose battery connection
z Charging system failure
z Voltage-current regulator failure
Intermittent power supply
z Loosen wire connector in charging system
z Loose battery cables
z Loose charging system connection
z Loose connection in lighting system
Charging system failure
z burn Fuse
z Loose, broken or shorted wire or wire
connection
z Faulty voltage-current regulator
z Faulty alternator
Ignition System
No spark produced by spark plug
z The spark plug is out of work
z The cable is poorly connected, open or
short-circuited
- Between alternator and C.D.I.
- Between CDI and ignition coil.
- Between CDI and main switch
z Poor main switch
z Poor C.D.I.
z alternator is out of work
Engine does not crank smoothly
z Primary coil circuit
- Poor ignition coil
- Poor connection of cable and connectors
- Poor main switch
z Secondary coil circuit
- Poor ignition coil
- Poor spark plug
- Poor high-tension cable
- Current leakage in the spark plug cap
z Incorrect ignition timing
- Poor alternator
- Improper installation of the pulse sensor
- Poor C.D.I.
Starting System
Starter motor does not work
z The fuse is blown
z The battery is not fully charge
z Poor main switch
z Poor starter switch
z The front and rear brake switches do not
operate correctly
z Starter magnetic switch is out of work
z The ignition coil is poorly connected, open or
short-circuited
z The starter motor is out of work
Weak starter motor
z Poor charging system
z The battery is not fully charged
z Poor connection in the windings
z The motor gear is jammed by foreign material
Starter motor is working, but engine does
not crank
z Poor starter motor pinion
z Poor starter clutch
z The starter motor run in reverse direction
z Poor battery
To Next Page
Loading...
Need help?
General