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Faults
High oil consumption
Headlight and parking light are not
functioning
Turn signal, brake light and horn
not functioning
Time is not (correctly) displayed
12 V battery discharged
Combination instrument shows
nothing in the display
Speedometer in combination
instrument not functioning
Possible cause
Engine oil level too high
Engine oil too thin (low viscosity)
Fuse 6 blown
Fuse 5 blown
Fuse 1 blown
Ignition not switched off when
vehicle was parked
The 12-V battery is not being
charged by the alternator
Fuse 1 or 2 blown
Speedometer wiring harness is
damaged or plug-in connection is
oxidized
TROUBLESHOOTING 20
Action
–
Check the engine oil level. (
–
Change the engine oil and the oil filter,
clean the oil screens.
(
–
Change the fuses of individual electrical
power consumers. (
p. 91)
–
Change the fuses of individual electrical
power consumers. (
p. 91)
–
Change the fuses of individual electrical
power consumers. (
p. 91)
–
Set the clock. (
p. 27)
–
Charge the 12-V battery.
–
Check the charging voltage.
–
Check the open-circuit current.
–
Change the fuses of individual electrical
power consumers. (
p. 91)
–
Set the clock. (
p. 27)
–
Check the wiring harness and plug-in con-
nection.
p. 106)
p. 106)
(
p. 88)
115
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