Overload on wiper high speed relay
â–¶ How to fix
Check the wiper high speed relay. Also check for short circuit in the cable harness (pin B15).
What you'll see
No driver-visible symptom recorded.
System reaction
Windscreen Wipers High Speed is out of order. The relay output is permanently turned off until function is deactivated. Each time the function is activated a new detection is being done.
Diagnostic depth
Detection
Overload on wiper high speed relay
Possible cause
Short circuit or too high load on the relay output. The problem could also depend on short circuit in cable harness.