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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1590 (Rear View Mirrors - Vehicles With: One-Touch Open And Close Front Windows (Except Electric Vehicle)) >> Description And Operation >> Rear View Mirrors - System Operation and Component Description >> Component Description >> DDM

Component Description: DDM

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

For the power mirror function, the DDM receives mirror movement requests through the LIN circuit from the LH front door window control switch. The DDM then provides voltage and ground to the appropriate LH exterior mirror motor to drive the mirror glass in the desired direction.

When the LH front door window control switch requests RH exterior mirror functions, the DDM sends the requests to the PDM through the MS-CAN.

For the heated mirror function, the DDM supplies voltage to the LH exterior mirror glass heating element based on messages received the BCM.

When a concern exists, the DDM is capable of setting and storing Diagnostic Trouble Codes (DTCs) for the LH exterior mirror motor drive circuits and mirror heater circuit (if equipped).

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