Test Description
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
- 3: Actual Speed Output Status parameter from auxiliary blower motor.
Blower Motor Always On - Auxiliary
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: HVAC Schematics Connector End View Reference: HVAC Connector End Views DEFINITION: The auxiliary blower motor operates with the HVAC controls in the OFF position. |
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| 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 Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | With the scan tool observe the auxiliary Blower Motor Speed Command parameter in the HVAC data list. Does the scan tool indicate that the auxiliary Blower Motor Speed Command parameter is near the specified value? |
0 Counts | Go to Step 4 | Go to Step 6 |
| 4 |
|
- | Go to Step 6 | Go to Step 5 |
| 5 | Inspect for poor connections at the harness connector of the auxiliary blower motor resistor. Refer to Wiring Repairs
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 9 | Go to Step 7 |
| 6 | Inspect for poor connections at the harness connector of the HVAC control module. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 9 | Go to Step 8 |
| 7 | Replace the auxiliary blower motor resistor. Refer to Blower Motor Resistor Replacement - Auxiliary
. Did you complete the replacement? |
- | Go to Step 9 | - |
| 8 | 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 9 | - |
| 9 | Operate the system in order to verify the repair. Did you correct the condition? |
- | System OK | Go to Step 2 |