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 | |
2 |
Is the blower motor OFF? | 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 |
Does the scan tool display any DTCs? | 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 | 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 . 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 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 |