Checking Recirculation

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

Press intake switch one time.

Fig 1: Pressing Intake Switch
Courtesy of NISSAN MOTOR CO., U.S.A.
Press intake switch again. Recirculation indicator should illuminate.
Listen for intake door position change (you should hear blower sound change slightly).
If NG, go to trouble diagnosis procedure for INTAKE DOOR MOTOR CIRCUIT .

If OK, continue the check.