Self-diagnostic Function Mode Display

WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

CONNECT
The screen will display connection check status for each device while in this self-diagnostic mode.
- If the RAM condition for the RR DISP (rear controller and screen) is faulty, the screen will display NG (red color).
- If the connection for the H/U (audio unit) isXM (XM receiver), or AUX (auxiliary jack assembly) is faulty, the screen will display NG (red color).
- If the digital line connection between the rear controller and screen and audio unit is faulty, the screen will display NG (red color).
  
  Fig 1: Diagnosis Screen Display - Connection Check Status
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
UNIT CHECK
The screen will display device version, self-diagnostic status and screen status while in this self-diagnostic mode.
- If a connection to a device is no-good, the screen will display--.
- If there is a change (analog to digital) of signal error for the categories +B VOLT or TEMP, the screen will display Err.
- The screen indicates open or closed condition of the screen.
  
  Fig 2: Diagnosis Screen Display - Device Version
  Courtesy of AMERICAN HONDA MOTOR CO., INC.