Optima V6-2.7L VIN 4 (2007)
Air Door Actuator / Motor: Service and Repair
Mode Control Actuator
INSPECTION
1. Ignition "OFF".
2. Disconnect the connector of mode control actuator.
3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to the terminal 3 and grounding terminal 4.
4. Verify that the mode control actuator operates to the vent mode when connecting in the reverse.
5. Check the voltage between terminals 6 and 7.
It will feedback current position of actuator to controls.
6. If the measured voltage is not specification, substitute with a known-good mode control actuator and check for proper operation.
7. If the problem is corrected, replace the mode control actuator.
REPLACEMENT
1. Disconnect the negative (-) battery terminal.
2. Remove the driver's crash pad lower panel.
3. Disconnect the mode control actuator connector (A) after removing the air duct.
4. Loosen the mounting screws and then remove the mode control actuator (B).
5. Installation is the reverse order of removal.
