Faults
12 V battery discharged
The combination instrument
shows nothing on the display
Speedometer in combination
instrument not functioning
Possible cause
Ignition was not switched off
when vehicle was parked
The 12-V battery is not being
charged by the alternator
Fuse 2 is blown
Speedometer wiring harness is
damaged or plug-in connector
is oxidized
TROUBLESHOOTING 21
Action
–
Charge the 12-V battery.
–
Check the charging voltage.
–
Check the open-circuit current.
–
Change the fuses of individual electri-
cal power consumers. (
–
Check the wiring harness and plug-in
connector.
(
p. 79)
p. 82)
103