TROUBLESHOOTING
Faults
Engine overheats.
FI warning lamp (MIL) lights/flashes
Engine dies during the journey
High oil consumption
Headlight and parking light not func-
tioning
Turn signal, brake light and horn not
functioning
Possible cause
Radiator fins very dirty
Foam formation in cooling system
Buckled or damaged radiator hose
Thermostat is faulty
Fuse 5 blown
Defect in radiator fan system
Air in cooling system
Defect in fuel injection system
Lack of fuel
Fuse 1, 2 or 4 blown
Engine vent hose bent
Engine oil level too high
Engine oil too thin (low viscosity)
Fuse 7 blown
Fuse 6 blown
Action
–
Clean radiator fins.
–
Drain the coolant.
(
x
–
Fill the cooling system.
x
–
Change the radiator hose.
–
Check the thermostat.
x
–
Change the fuses of individual power consumers.
(
p. 120)
–
Check the radiator fan system.
–
Fill the cooling system.
x
–
Read out the fault memory using the KTM diag-
nostics tool.
x
–
Refuel. (
p. 48)
–
Change the fuses of individual power consumers.
(
p. 120)
–
Route the vent hose without bends or change it if
necessary.
–
Check the engine oil level. (
–
Change the engine oil and filter, clean the oil
screens.
x
(
p. 141)
–
Change the fuses of individual power consumers.
(
p. 120)
–
Change the fuses of individual power consumers.
(
p. 120)
155
p. 134)
(
p. 135)
x
x
(
p. 135)
p. 140)