LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1484 (HVAC Systems - Automatic) >> Diagnostic Information and Procedures >> Re-Calibrating Actuators (Primary) >> Preferred Method (w/Scan Tool)

Preferred Method (w/Scan Tool)

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clear all DTCs
  2. Place the ignition switch in the OFF position.
  3. Install the motor assembly.
  4. Re-connect all previously disconnected components.
  5. Start the vehicle.
  6. With the scan tool, initiate the Motor Re-calibration feature of the HVAC module Special Functions menu.
  7. Verify that no DTCs have set as current DTCs.
IMPORTANT: Do not adjust any controls on the HVAC control module while the HVAC control module is calibrating. If interrupted improper HVAC performance will result.
scientia non olet · About LEMON Manuals