Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: HVAC Schematics Connector End View Reference: HVAC Connector End Views DEFINITION: The auxiliary blower motor operates with the auxiliary blower motor switch in the OFF position. | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 | Turn the auxiliary HVAC controls OFF. Is the auxiliary blower motor OFF? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Disconnect the auxiliary HVAC control module. Is the auxiliary blower motor OFF? | Go to Step 4 | Go to Step 5 |
4 | Inspect for poor connections at the harness connector of the auxiliary HVAC control module. Refer to Wiring Repairs and Connector Repairs . Did you find and correct the condition? | Go to Step 7 | Go to Step 6 |
5 | Repair a short to voltage in the appropriate auxiliary blower motor speed control circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 7 | -- |
6 | Replace the auxiliary HVAC control module. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 7 | -- |
7 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |