Audio unit power switch will not turn off (without 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 CDs before disconnecting the audio unit and CD changer to prevent damaging the CD player's load mechanism.
- Before troubleshooting, make sure you have anti-theft codes for the audio unit.
- After troubleshooting, enter the anti-theft codes for the audio 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 unit turns off.
Does the audio unit turn off?
YES -Operation is normal.
NO -Go to step 3.
- Turn the ignition switch to LOCK (0).
- Remove the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).
- Measure the voltage between audio unit connector A (17P) 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 unit (see AUDIO UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).