Air Delivery Improper

Air Delivery Improper

Test Description

Step 1 - Step 11:

Step 12 - Step 21:

The numbers below refer to the step numbers on the diagnostic table.
13. The test lamp should illuminate while trying to command the appropriate mode door in both directions.
15. Two voltage supply circuits supply the HVAC control module. The B+ circuit and ignition 1 circuit. Test the ignition 1 voltage circuit that does not supply the blower motor switch.