Air Mix Door

1. Install air mix door motor on heater unit and connect it to the air mix door motor harness.
2. Set PTC at full cool and air mix door motor at "full cold".
3. Move air mix door lever by hand and hold it at the full-cold position.
4. Attach air mix door lever to rod holder.
5. Check that air mix door operates properly when PTC is moved from full cool to full hot.