Testing should include
- testing the wiper motor and park switch, wiper switch, control module, wiring, and related components
- referring to service materials and following manufacturer guidelines.
ASE 1: VII. Cab: D. Hardware (P-1)
Process/Skill Questions:
- How can a wiper motor be tested for proper operation?
- What does the park switch do in a wiper circuit?
- What condition would prevent wipers from parking?
- How do intermittent wipers work?