DTC 107: Millimeter Wave Radar Aiming Incomplete

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: If the millimeter wave radar is removed or replaced, you must aim it, otherwise DTC 107 is stored even if the system is OK.

Turn the ignition switch to ON (II), then wait for 10 seconds, and watch the ACC indicator.
Does the ACC indicator (amber) go off?

YES -Intermittent failure, the system is OK at this time.

NO -Go to step 2.
Check for DTCs with the HDS (see HOW TO CLEAR DTCS ).
Is DTC 107 indicated?

YES -If DTC 107 is indicated again after the aiming is complete, check for loose or poor connections. If OK, replace the millimeter wave radar (see MILLIMETER WAVE RADAR REMOVAL/INSTALLATION ).

NO -Go to step 3.
Check for DTCs with the HDS (see HOW TO CLEAR DTCS ).
Are any DTCs indicated?

YES -Troubleshoot the indicated DTC(s).

NO -Check for loose or poor connections. If OK, update the ACC unit (see ACC UNIT UPDATE ), then recheck. If the ACC unit was already updated, replace the ACC unit (see ADAPTIVE CRUISE CONTROL (ACC) UNIT REMOVAL/INSTALLATION ), then go to step 4.
Check for DTCs with the HDS (see HOW TO CLEAR DTCS ).
Is DTC 107 indicated?

YES -Check for loose or poor connections. If OK, replace the millimeter wave radar (see MILLIMETER WAVE RADAR REMOVAL/INSTALLATION ).

NO -Troubleshoot the indicated DTC(s). If there is no DTCs, the system is OK at this time.