Heated Rear Windshield And Door Mirrors

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Fig 1: Identifying Heated Rear Windshield & Door Mirror System Components

Courtesy of VOLVO CARS OF NORTH AMERICA.

The heated rear windshield and door mirrors are activated by pressing the switch on the climate control module (CCM) (3/112). The climate control module (CCM) transmits information via the controller area network (CAN) indicating the status of the electrical heating to the following:

rear electronic module (REM) (4/58)
driver door module (DDM) (3/126)
passenger door module (PDM) (3/127).

For further information, see Design and Function, driver door module (DDM)/passenger door module (PDM) and Design and Function, rear electronic module (REM).