Limit Switch Test

WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

Remove the headliner (see HEADLINER REMOVAL/INSTALLATION ).
Disconnect the 4P connector from the moonroof limit switch.

Fig 1: Disconnecting 4P Connector From Moonroof Limit Switch
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check for continuity between the terminals in each switch position according to Fig 2 .

Fig 2: Checking Continuity Between Terminals In Each Switch Position Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the continuity is not as specified, replace the moonroof drive assembly.