Air Delivery Improper

TEST DESCRIPTION

Steps 1-9:

Steps 10-18:

The number(s) below refer to the step number(s) on the diagnostic table.
7. Listen for an audible click or feel for the click when the vacuum control assembly operates. Command both the ON and OFF states. Repeat the commands as necessary.
9. Verifies that the HVAC control module is providing ground to the vacuum control assembly.
10. Tests if ground is constantly being applied to the vacuum control assembly.