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Description The ECM (Electro Chromatic inside rear view Mirror) is for dimming the reflecting light from a vehicle behind at night, Preventing glare from the light.
Replacement 1. Disconnect the negative (-) battery terminal. 2. Recover the refrigerant with a recovery / recycling / charging station. 3. When the engine is cool, drain the engine coolant from the radiator.
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.