| Signal Waveform |

Specification ItemSpecificationOutput Voltage (V)High: 5.0VLow: 0.7VAir Gap (mm)0.5 ~ 1.5
Circuit Diagram
Replacement 1. Discharge refrigerant from refrigeration system. 2. Replace any faulty tubes or hoses. Cap the open fittings immediately to keep moisture or dirt out of the system. 3. Tighten the bolt or nut joint to the specified torque.
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the mode control actuator connector. 3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 4. Verify that the mode control actuator operates to the vent mode when connected in reverse.