See also:

Positive Crankcase Ventilation (PCV) Valve. Description and Operation
Operation Principle ...

Scheduled maintenance service
Follow Normal Maintenance Schedule if the vehicle is usually operated where none of the following conditions apply. If any of the following conditions apply, follow Maintenance Under Severe Usage Conditions. ...

Rear Wiper Motor. Repair procedures
Inspection Rear Wiper Motor 1. Remove the connector from the rear wiper motor. 2. Connect battery positive (+) and negative (-) cables to terminals 2 and 1 respectively. 3. Check that the motor operates ...