Ac Blend Door Calibration

[cbolt]

2003 yukon xl. how do i calibrate the blend door actuator and also the recircultion door actuator? need help its hot.

[txab]

Remove the HVAC/ECAS fuse for a minimum of 10 seconds.

Re-install the HVAC/ECAS fuse.

Start the vehicle.

Wait 40 seconds for the HVAC control module to re-calibrate.

Verify that no DICs have set as current DICs.

 

Don't touch any HVAC controls while it is going through the recalibration.

[Duelin]

Remove the HVAC/ECAS fuse for a minimum of 10 seconds.

Re-install the HVAC/ECAS fuse.

Start the vehicle.

Wait 40 seconds for the HVAC control module to re-calibrate.

Verify that no DICs have set as current DICs.

 

Don't touch any HVAC controls while it is going through the recalibration.

 

 

What position should the controls be in when you do the recalibration.

[cbolt]

Remove the HVAC/ECAS fuse for a minimum of 10 seconds.

Re-install the HVAC/ECAS fuse.

Start the vehicle.

Wait 40 seconds for the HVAC control module to re-calibrate.

Verify that no DICs have set as current DICs.

 

Don't touch any HVAC controls while it is going through the recalibration.

 

[cbolt]

Remove the HVAC/ECAS fuse for a minimum of 10 seconds.

Re-install the HVAC/ECAS fuse.

Start the vehicle.

Wait 40 seconds for the HVAC control module to re-calibrate.

Verify that no DICs have set as current DICs.

 

Don't touch any HVAC controls while it is going through the recalibration.

 

 

 

thanks ill give it a try