Windscreen wipers, intermittent wiper operation.
â–¶ How to fix
Check the wiring between the control unit and the direction indicator and wiper lever (S141) and the resistance across the switch. The control unit input is analogue.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The control unit input has been short circuited to earth for more than two seconds.
Possible cause
Short circuit to earth.