Many steps can not be done with out a real jeep scan system.
Jeep wrangler blend door calibration.
Dodge jeep chrysler how to test blend door actuator and calibrate if you have a dodge chrysler jeep or fiat and you have problem or noise coming from the.
Https amzn to 2czvrl7 milwaukee m12 rachet.
Calibrate the door actuators after making any repairs to the azc system.
A blend door actuator is made up of an electric motor that turns a plastic gear set in one direction or another which is connected to an air control door pivot at the final drive of the unit.
If the calibration is not correct the heating a c system may experience a condition where full heating or cooling capabilities cannot be obtained.
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.
Https amzn to 2silnwk quick overview of how to diagnose why your jeep wrangler jk has no hea.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
Set the azc to automatic.
An actuator can go bad in of two ways.
You need a scan tool to pull the trouble codes thanks chrysler.
Heatertreater offers the ultimate solution to blend door repair.
Any blend door actuator circuit problems will be stored as a diagnostic trouble code a drbiiit scan tool is required.
To calibrate the door actuators proceed as follows.
Turn the ignition on.
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.
5 if lights continue to flash after 3 minutes manual system or 20 seconds auto system the control unit has detected a failure.
The ac heater control module learns what positions the blend door stops at during the calibration procedure.
Motor calibration procedure for jeep grand cherokee 99 04 heatertreater.