Audio-Navigation unit power switch will not turn off (with navigation)
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:
- Check the vehicle battery condition first (see BATTERY TEST ).
- Check for aftermarket accessories plugged into the vehicle accessory power sockets.
- Check the connectors for poor connections or loose terminals.
- Eject all the discs before disconnecting the audio-navigation unit to prevent damaging the CD/DVD player's load mechanism.
- Before troubleshooting, make sure you have anti-theft codes for the audio-navigation unit.
- After troubleshooting, enter the anti-theft codes for the audio-navigation unit.
- Turn the ignition switch to ON (II).
- Push the power switch OFF or turn the ignition switch to LOCK (0) to see if the audio-navigation unit turns off.
Does the audio-navigation unit turn off?
YES -Operation is normal.
NO -Go to step 3.
- Turn the ignition switch to LOCK (0).
- Remove the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).
- Measure the voltage between audio-navigation unit connector A (24P) terminal No. 14 and body ground.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES -Check for short to power on the PUR wire.
NO -Substitute a known-good audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).