FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

System Check

HVAC SYSTEM CHECK

ACTION
^ Start engine.
^ Move blower speed selector switch to any position but Off.
^ Press A/C switch to On.

NORMAL RESULTS
^ Blower motor runs.
^ A/C compressor clutch engages and A/C condenser fan motor runs.
^ The ECM may cycle A/C compressor clutch and A/C condenser fan motor On and Off.