Magnetic Clutch Operation

WARNING: This page is about a different car, the 2003 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the compressor connector.
Connect the battery positive terminal to the No. 3 terminal of the compressor connector.
Ground the negative terminal to the body.

Fig 1: Identifying Compressor Connector
Courtesy of SUBARU OF AMERICA, INC.
Make sure the magnet clutch engages.

If NG, replace the compressor.