Power Mirror Actuator Test

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The power mirror actuator can be tested by using the HDS and following these steps:

Select POWER SEAT/POWER MIRROR from the BODY ELECTRICAL SYSTEM SELECT menu.
Select FUNCTIONAL TESTS, and then the appropriate power mirror function test.

Remove the door panel (see FRONT DOOR PANEL REMOVAL/INSTALLATION ).
Disconnect the 16P connector (A) from the power mirror actuator (B).

Fig 1: Identifying 16P Connector And Power Mirror Actuator
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check actuator operation by connecting power and ground according to the table.
LEFT

Fig 2: Power Mirror Actuator Continuity Reference Chart - Left
Courtesy of AMERICAN HONDA MOTOR CO., INC.

RIGHT

Fig 3: Power Mirror Actuator Continuity Reference Chart - Right
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the mirror fails to work properly, replace the mirror actuator.
Defogger Test
Measure the resistance between terminals No. 1 and No. 2 of the 16P connector. There should be less than 8 Q. If there is no continuity, check for an open circuit.