Auxiliary

TEST DESCRIPTION

Steps 1-9:

Steps 10-21:

The number(s) below refer to the step number(s) on the diagnostic table.
2. This step tests for auxiliary blower motor operation in any speed setting.
8. This step determines if the malfunction is in the control side of the system.
10. Test both the rear auxiliary HVAC control assembly chassis ground circuit and the ground circuit between the front and rear HVAC control assemblies.