Test Description
WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
The number(s) below refer to the step number(s) on the diagnostic table.
- 3. This step tests for a blower motor that does not operate regardless of the desired blower motor speed.
- 4. This step tests for a blower motor that operates, yet does not accurately respond to the desired blower motor speed.