Power Mirror Switch: Testing and Inspection

POWER DOOR MIRROR SWITCH

INSPECTION
1. Power door mirror switch, a component of CAN, performs CAN communication with BCM, seat ECU, tilt ECU, passenger side power window switch and it also performs LIN communication with switch module and safety ECU. Driver controls driver side power window switch button located inside of the driver side door to operate power window, mirror, door lock and unlock.
2. Check BCM input (output value of each position of DDM or ADM when you inspect the module whether faulty or not.
3. If the operation of DDM or ADM is abnormal, replace DDM or ADM.
4. Select model and BCM menu.






5. Select "DDM" or "ADM".






6. Select "Current data".






7. Check OFF -> ON when driver door mirror switch up & down operation.






8. Check OFF -> ON when you operate mirror folding switch.