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20
TROUBLESHOOTING
Faults
High oil consumption
Headlight and parking light are not
functioning
Turn signal, brake light and horn not
functioning
Time is not (correctly) displayed
Battery discharged
Combination instrument shows nothing
in the display
Speedometer in combination instru-
ment not functioning
Possible cause
Engine oil too thin (low viscosity)
Fuse 6 blown
Fuse 5 blown
Fuse 1 blown
Ignition not switched off when vehicle
was parked
Battery is not charged by alternator
Fuse 1 or 2 blown
Speedometer wiring harness is dam-
aged or plug-in connection is oxidized
Action
–
Change the engine oil and filter, clean the oil
screens.
(
p. 145)
–
Change the fuses of individual power consumers.
(
p. 123)
–
Change the fuses of individual power consumers.
(
p. 123)
–
Change the fuses of individual power consumers.
(
p. 123)
–
Set the clock. (
p. 32)
–
Recharge the battery.
–
Check the charging voltage.
–
Check the quiescent current.
–
Change the fuses of individual power consumers.
(
p. 123)
–
Set the clock. (
p. 32)
–
Check the wiring harness and plug-in connection.
162
(
p. 117)
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