Power Mirrors

Circuit Operation

The power mirror switch receives power from the DDM through the battery supply voltage circuit and the DDM fuse. The left and right mirror positions of the select switch and four positions of the direction switch, when active, will provide a battery voltage signal to the DDM through their respective signal circuits. If the selector switch is placed in the L position and the up switch is depressed, a battery voltage signal will be supplied to the DDM through the driver mirror select switch signal and the mirror motor up switch signal circuits. The DDM upon receipt of these signals will provide battery voltage to the mirror motor left/up control circuit and ground to the mirror motor down control circuit and the mirror will move up. The remainder of the driver mirror functions operate in the same manner as described above except the DDM will supply battery voltage and ground to the appropriate control circuits for the direction selected. If the passenger mirror is selected and a direction switch is activated, the DDM sends a class 2 message to the PDM indicating that the passenger mirror was selected and the direction to be commanded. The PDM will then supply battery voltage and ground to the appropriate control circuits for the direction selected.