8 Troubleshooting
112 TW85
Fault Possible cause Remedy
8.19 Faults in the electrical system
1 Outside and/or interior lighting does not
come on
Check cables, connections, bulbs and fuses
2 Windshield wiper not working Check cables, connections, and fuses. Examine
windshield wiper for mechanical damage
Replace complete windshield wiper motor if
necessary
3 Horn not responding Check cables, connections, and fuses. Replace
horn completely
4 Control organs are imprecise Determine the fault or source of the problem, get
problem fixed by specialist if necessary
5 Starting system does not work
satisfactorily
Check charge capacity of battery.
Test starter function. Check connection and
condition of power and battery ground cables
Check function of ignition lock, replace if
necessary
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