Air Delivery Improper
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Air Delivery Improper
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: HVAC Schematics Connector End View Reference: HVAC Connector End Views DEFINITION: Air does not flow correctly from the air distribution outlets. |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 |
|
Go to Step 3 | Go to Blower Motor Always On |
| 3 | Place the blower motor switch in each speed position. Does the blower motor operate in each speed position? |
Go to Step 4 | Go to Blower Motor Inoperative |
| 4 | Does the blower motor operate at the desired speeds? | Go to Step 5 | Go to Blower Motor Malfunction |
| 5 |
|
Go to 49559 | Go to Step 6 |
| 6 | Place the mode switch in each mode position. Does the air flow from the correct air distribution outlets in each selected mode position? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 7 |
| 7 | Inspect for poor connections at the harness connector of the HVAC control module. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 10 | Go to Step 8 |
| 8 | Inspect and the air distribution system for the following conditions:
Did you find and correct the condition? |
Go to Step 10 | Go to Step 9 |
| 9 | Replace the HVAC control module. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 10 | - |
| 10 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |