Adaptive cruise control (ACC) activation indicator (green) does not come on
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.
- Do the gauge control module self-diagnostic function (see
SELF-DIAGNOSTIC FUNCTION
).
Is the gauge control module OK?
YES -Go to step 2.
NO -Substitute a known-good gauge control module, and recheck. If the problem goes away, replace the original gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).
- Test the MAIN switch (see ADAPTIVE CRUISE CONTROL (ACC) COMBINATION SWITCH TEST
).
Is the switch OK?
YES -Go to step 3.
NO -Replace the adaptive cruise control (ACC) combination switch (see ADAPTIVE CRUISE CONTROL (ACC) COMBINATION SWITCH/DISTANCE SWITCH REMOVAL/INSTALLATION ).
- Turn the ignition switch to ON (II).
- Measure the voltage between cable reel connector B (20P) terminal No. 5 and body ground. There should be about 5 V.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is the voltage as specified?
YES -Repair an open in the wire between the adaptive cruise control (ACC) combination switch and body ground.
NO -Repair an open in the wire between the adaptive cruise control (ACC) combination switch and the gauge control module.