20 TROUBLESHOOTING 234
Faults Possible cause Action
High oil consumption Engine oil level too high – Check the engine oil level. ( p. 217)
Engine oil too thin (viscosity) – Change the engine oil and filter, clean the oil
screen. x ( p. 218)
Headlight and parking light do not
work
Fuse 2 blown – Change the fuses of individual power consumers.
( p. 199)
Brake light and horn do not work Fuse 3 blown – Change the fuses of individual power consumers.
( p. 199)
Battery discharged Ignition not switched off when vehicle
parked
–
Recharge the battery. x ( p. 194)
Battery is not charged by the alternator –
Check charging voltage. x
Combination instrument shows nothing
in display
Fuse 1 blown – Change the fuses of individual power consumers.
( p. 199)
Speedometer in combination instru-
ment doesn't work
Wiring harness of wheel revolution
counter damaged or plug-in connec-
tor oxidized
–
Check the wheel speed sensor. x
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