TROUBLESHOOTING 21
107
Faults
Possible cause
Action
12 V battery discharged
Ignition was not switched off
when vehicle was parked
–
Charge the 12-V battery.
The 12-V battery is not being
charged by the alternator
–
Check the charging voltage.
–
Check the open-circuit current.
The combination instrument
shows nothing on the display
Fuse
2
is blown
–
Change the fuses of individual electri-
cal power consumers. (
Speedometer in combination
instrument not functioning
Speedometer wiring harness is
damaged or plug-in connector
is oxidized
–
Check the wiring harness and plug-in
connector.
Summary of Contents for F4303U1
Page 1: ...OWNER S MANUAL 2021 390 DUKE Art no 3214321en ...
Page 2: ......