TROUBLESHOOTING CU800 Service Manual
220
8.3 ELECTRICAL SYSTEM
Headlight does not work
properly.
1. Check the fuse.
2. Check the functionality of headlight switch.
3. Check cables.
4. Check lights and bulbs.
Turn the "key switch "to "ON"
position, the odometer does
not display.
1. Check the fuse for burning out.
2. Check the functionality of key switch.
3.Check the voltage of 12V battery.
4. Check the DC-DC converter Circuit.
5. Check the cable for damage.
6. Check the odometer for damage.
When the key switch is at
“ON” position, battery does
not turn on, and vehicle is not
working.
1. Check the fuse for burning out.
2. Check the function of the key switch.
3. Check the cables.
Abnormal display of
instrument gear and electric
quantity
1. Check the CAN communication converter.
2. Check the cable for damage.
3. Check the instrument for damage.
Turning lights working
abnormally
1. Check the fuse for burning out.
2. Check the turning lights switch on the steering.
3. Check the light or lamps for damage.
4. Check the turning flash relay.
5. Check the cables.
Reverse buzzer working
abnormally
1. Check the fuse for burning out.
2. Check the reverse buzzer.
3. Check the reverse gear buzzer relay.
4. Check the cables.
5. Check the controller.
1. Check the fuse for burning out.
2. Check the horn switch for damage.
3. Check the cable for damage.
4. Check the horn for damage.
Tail light doesn’t work
properly.
1. Check the fuse for burning out.
2. Check the functionality of taillight switch.
3. Check the cable for damage.
4. Check the light or lamp for damage.
5. Check the rear brake switch for damage.
Emergency light doesn’t work
properly.
1. Check the fuse for burning out.
2. Check the functionality of emergency lamp.
3. Check the cable for damage.
4. Check the turning light for damage.