Blend Door Calibration Procedure

Does a fuse need to pulled battery need to be disconnected or did i not wait long enough.

Blend door calibration procedure.

Access our grand caravan 2008 reset procedure repair guide by creating an account or signing into your autozone rewards account. Before you give up and take it to a dealership try this re calibration procedure from sparky s. It only applies to the temperature door actuator. Re install the hvac ecas fuse.

Motor calibration procedure for jeep grand cherokee 99 04 heatertreater. Don t touch the hvac controls. My question is what is the proper re calibration procedure for the blend door actuator once everything is hooked up. If you happen to have auto controls the temperature door recalibration is performed as usual but the fuse will be labeled rdo batt.

Basically you re pulling the fuse and turning the key on then reinstalling the fuse to. Most of these endpoints are calibrated during the relearn procedure. Access our free reset procedure repair guide for grand caravan 2008 through autozone rewards. Fix your car s head and a c in as little as an hour and save up to 1493 in replacement parts and labor costs.

The blend door diverts the airflow to the defroster vents in the upper dashboard the floor discharge for heat or the center vents for air conditioning. Okay the only recalibration procedure is for a system that has auto controls. The hvac control head uses its pre programmed logic and actuator endpoints to position the door correctly. A re calibration may fix you up.

Heatertreater offers the ultimate solution to blend door repair. Gmc yukon and chevy tahoe blend door calibration. Fixes problems with heating and ac control please visit our website. If your vehicle has manual controls a recalibration is not possible or needed.

Try disconnecting the battery for a few minutes. Once you sign in follow these instructions to access our repair guides. The service manual says to it needs to have the key in the run position for 3 minutes. But i did that and nothing happened at all.

4 calibration should take about about 2 minutes to complete if you have heater control and about 20 seconds if you have automatic temp control system. Then turn the key to the on position but don t start. 5 if lights continue to flash after 3 minutes manual system or 20 seconds auto system the control unit has detected a failure.