The DDM inputs can be checked using the scan tool.

To check the input value of door mirror switch, select option "In-panel module (IPM)".

Select option "Driver Door Module (DDM)".

Select option "Current Data".

To check the input value of door mirror switch in force mode, select option "Actuation Test".

Disconnect the negative (-) battery terminal.

Remove the front door trim panel.

(Refer to the Body group - front door)

Disconnect the module (A) connectors (3EA) and loosen the mounting screws. (5EA)

Remove the DDM (A) from the front door trim panel.