F3 - Check Wiper Switch
^ Measure resistance between circuits 589 (O) and 993 (BR/W).
^ Is resistance between 45k ohms and 50k ohms?
YES -- Replace wiper control module.
NO -- Check for:
- open circuit (993 (BR/W) or 589 (O)) between wiper switch and wiper control module.
- Damaged wiper switch.
Service as required.