Condition
Windscreen wiper relay
Fault symptoms
The intermittent windscreen wipers are either not working or the wipers are in constant motion.
Conditions
The control module output is monitored and a DTC generated if there is a:
- Break/short circuit to ground.
- Short circuit to B+.
DTCs are not generated if the voltage is below 11 V and the diagnostic communication is in use.
Diagnostic help
The output from DICE can be activated with the diagnostic tool.