Actuator Recalibration - HVAC System - Automatic

RE-CALIBRATING ACTUATORS

CALIBRATION PROCEDURE WITH A SCAN TOOL
Use the following steps to perform the calibration update:
1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, select HVAC Systems Automatic.
4. Select Special Functions.
5. Select HVAC.
6. Select Calibrate HVAC Module.
7. Select ON, wait 30 seconds.

CALIBRATION PROCEDURE WITHOUT A SCAN TOOL
1. Turn OFF the ignition.
2. Remove the battery positive voltage circuit fuse of the HVAC control module.
3. Wait 60 seconds.

IMPORTANT: The module memory will not clear if the battery positive voltage circuit fuse is installed in less than 60 seconds.

4. Install the fuse.