Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: HVAC Schematics DEFINITION: Air does not flow correctly from the air distribution outlets. | |||
1 | Did you perform the HVAC Diagnostic System Check? | 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 at all? | Go to Step 4 | Go to Blower Motor Inoperative |
4 | Does the blower motor operate in each speed position? | Go to Step 5 | Go to Blower Motor Malfunction |
5 |
Does the recirculation door operate properly? | Go to Step 6 | |
6 | Place the mode switch in the defrost position. Does the recirculation door move to the outside air position? | Go to Step 7 | Go to Step 8 |
7 | Place the mode switch in each mode position. Is the airflow sufficient from the correct outlets in each mode? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | |
8 | 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 9 |
9 | Replace the HVAC control module. Refer to HVAC Control Module Replacement . 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 2 |