
TROUBLESHOOTING
173
Faults
Possible cause
Action
The engine does not turn when the
starter button is pressed
Operating error
–
Carry out the start procedure. (
Battery discharged
–
Recharge the battery.
x
–
Check the closed current.
x
IGNITION, FUEL PUMP
, or
POWER RELAY
fuse blown
–
Change the fuses in the fuse box. (
Main fuse burned out
–
Change the main fuse. (
Ignition/steering lock or emergency
OFF switch defective
–
Check the emergency OFF switch.
x
–
Check the ignition/steering lock.
x
Defect in safety start system
–
Check the safety start system.
x
Immobilizer control unit not activated
–
Activate the immobilizer control unit.
x
Malfunction in CAN bus communica-
tion
–
Check the CAN bus communication.
x
Combination instrument defective
–
Check the combination instrument.
x
Control unit for electric start lock
defective
–
Check the control unit of the electric start
lock.
x
Engine turns only if the clutch lever is
drawn
The vehicle is in gear
–
Shift the transmission to neutral.
Defect in safety start system
–
Check the safety start system.
x
Engine turns although a gear is
engaged
Defect in safety start system
–
Check the safety start system.
x
Engine turns but does not start
Coupling of fuel hose connection not
connected
–
Reconnect coupling of fuel hose connection.
Socket connector of wiring harness
oxidized
–
Clean the socket connector and treat it with con-
tact spray.
Defect in fuel injection system
–
Read out the fault memory using the KTM diag-
nostics tool.
x
Summary of Contents for 990 Adventure AUS
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