Combination Light Switch Test/Replacement

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

Remove the driver's dashboard undercover (see DRIVER'S DASHBOARD UNDERCOVER REMOVAL/INSTALLATION )
Remove the steering column covers (see STEERING COLUMN COVER REMOVAL/INSTALLATION )
Disconnect the dashboard wire harness 12P connector (A) from the combination light switch (B)

Fig 1: Identifying Dashboard Wire Harness 12P 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: Light Switch Terminals Continuity Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 3: Turn Signal Switch Terminals Continuity Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 4: Fog Light Switch Terminals Continuity Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If all the continuity is not as specified, remove the two screws and replace the switch
Install the parts in the reverse order of removal