The HVAC door calibration must be performed after a HVAC door DTC has been repaired
or an HVAC door actuator has been replaced. Refer to the follow procedure:
- Turn OFF the ignition.
- Press and hold the following HVAC control module switches:
- While pressing the switches, turn the ignition to the RUN position.
- Wait 5 seconds.
- Press the recirculation switch.
- Observe the A/C request switch LED and the rear defrost switch LED. The
LED's will flash slowly to indicate calibration mode.
- When the calibration procedure is complete the LED's will flash quickly.
- Turn OFF the ignition.
When the battery positive voltage is removed from the HVAC control module the
system will perform a calibration of the actuators automatically. Wait 60 seconds
after the ignition is turned to the Run position.