21
TROUBLESHOOTING
172
Faults
Possible cause
Action
Engine overheats
Too little coolant in cooling system
–
Check the cooling system for leakage.
–
Check the coolant level in the compensating
tank. (
Radiator fins very dirty
–
Clean radiator fins.
Foam formation in cooling system
–
Drain the coolant.
–
Fill/bleed the cooling system.
Buckled or damaged radiator hose
–
Change the radiator hose.
Thermostat is faulty
–
Check the thermostat.
Fuse
4
blown
–
Change the fuses of individual power consumers.
Defect in radiator fan system
–
Check the radiator fan system.
FI
warning lamp (
MIL
) lights/flashes
Defect in fuel injection system
–
Read out the fault memory using the KTM diag-
nostics tool.
N
The idle indicator lamp does not
light up when the transmission is in
neutral
Gear position sensor not programmed
–
Read out the fault memory using the KTM diag-
nostics tool.
Engine dies during the trip
Lack of fuel
–
Refuel. (
Fuse
1
,
2
or
3
blown
–
Change the fuses of individual power consumers.
The ABS warning lamp lights up
ABS fuse is blown
–
Change the ABS fuses. (
Large difference in wheel speeds of the
front and rear wheels
–
Stop the vehicle, switch off the ignition, and
start it again.
Malfunction in ABS
–
Read out the ABS fault memory using the KTM
diagnostics tool.
High oil consumption
Engine vent hose bent
–
Route the vent hose without bends or change it if
necessary.