Front Blower Motor

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Confirm smooth rotation of the blower motor.

Ensure that there are no foreign particles inside the blower unit.
Apply 12 volts to terminal + and ground to terminal - and verify that the motor operates freely and quietly.

Fig 1: Applying 12 Volts To Front Blower Motor Connector
Courtesy of NISSAN MOTOR CO., U.S.A.