- Disconnect the fresh/recirculate control
cable from the clip (1) and the door at the blower case.
 
- Set the fresh/recirculate lever to the RECIRC position.
 
- At the blower case, hold the door fully downward and install 
the cable to the clip.
 
- Inspect the fresh/recirc lever for smooth operation.
 
- Ensure that the fresh/recirc lever stops at the correct positions.