Air Recirculation Malfunction

AIR RECIRCULATION MALFUNCTION

TEST DESCRIPTION

Steps 1 - 2:

Steps 3 - 6:

Steps 7 - 13:

The number below refers to the step number on the diagnostic table.
5. This step tests the HVAC control assemblies ability to reverse the polarity of the door control A and door control B circuits. The test lamp should illuminate.