Operation CHARM: Car repair manuals for everyone.

General Description

The driver may select the following different modes of operation:
^ OFF
^ AUTO
^ FLOOR/WINDSHIELD
^ MID/FLOOR
^ MID
^ FLOOR
^ FRONT DEFROST

When operating in AUTO mode, the Instrument Panel Module (IPM) may operate in several different modes:
^ MID/FLOOR
^ MID
^ FLOOR

If the heater and A/C control is not turned OFF, the IPM will also execute one of three purge modes at the start of each ignition cycle.