Diesel Data: Automotive Repair

Mode Control Actuator

MODE CONTROL ACTUATOR

INSPECTION
1. Verify that the mode actuator operates to the vent position when connecting 12 V to the terminal I and grounding terminal 2.




2. Verify that the mode actuator operates to the defrost position when connecting in the reverse.




3. Check the voltage between terminals 3 and 4.
It will feed back current position of actuator to controls.