Combination Light Switch Test/Replacement

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.

Remove the driver's dashboard lower cover (see DRIVER'S DASHBOARD LOWER COVER REMOVAL/INSTALLATION ).
Remove the steering column covers (see COLUMN COVER REMOVAL/INSTALLATION ).
Disconnect the combination light switch 10P connector (A) from the combination light switch (B).

Fig 1: Disconnecting Combination Light Switch 10P Connector From Combination Light Switch
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the two screws, then slide out the combination light switch.
inspect the connector terminals to be sure they are all making good contact.
- If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
- If the terminals look OK, check for continuity between the terminals in each switch position according to the tables.
Fig 2: Identifying Combination Light Switch Connector Terminals View
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 3: Light Switch Continuity Reference Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 4: Turn Signal Switch Continuity Reference Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 5: Fog Light Switch Continuity Reference Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the continuity is not as specified, replace the switch.