21 TROUBLESHOOTING 173
Faults Possible cause Action
High oil consumption Engine oil level too high – Check the engine oil level. ( p. 159)
Engine oil too thin (low viscosity) – Change the engine oil and oil filter and clean the
oil screens. ( p. 159)
Headlight and parking light are not
functioning
Fuse 6 blown – Change the fuses of individual power consumers.
( p. 135)
Turn signal, brake light, and horn are
not functional
Fuse 5 blown – Change the fuses of individual power consumers.
( p. 135)
Time is not (correctly) displayed Fuse 1 blown – Change the fuses of individual power consumers.
( p. 135)
– Set the time and date. ( p. 49)
Battery discharged Ignition not switched off when vehicle
was parked
– Recharge the battery. ( p. 129)
Battery is not charged by alternator – Check the charging voltage.
– Check the open-circuit current.
Combination instrument shows nothing
on the display
Fuse 1 or 2 blown – Change the fuses of individual power consumers.
( p. 135)
– Set the time and date. ( p. 49)
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