Tuesday, April 14, 2020

2010 Acura Truck MDX V6-3.7L Page 782


Is Receiver in Navi ECU OK indicated?



YES -



Intermittent failure, the system is OK at this time.?



NO -



Replace the audio-navigation unit See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Service and



Repair/Audio-Navigation Unit Removal/Installation.?



2703



Navigation System DTC Troubleshooting: 2703



DTC 2703:



Aircon Diag



NOTE:



- Check the vehicle battery condition first See: Starting and Charging/Battery/Testing and Inspection/Component Tests and General



Diagnostics/Battery Test.



- This navigation DTC set when a common error between the climate control unit and the audio-navigation unit (open or short) is detected.



- Check any official Honda service website for more service information about the navigation system.



- Check for B-CAN DTCs and resolve them before troubleshooting.



- Before you troubleshoot, make sure to follow the general troubleshooting information See: Accessories and Optional Equipment/Navigation



System/Testing and Inspection/Initial Inspection and Diagnostic Overview/How to Troubleshoot the Navigation System.



- If the A/C system does not work properly, do the A/C system troubleshooting.



- Make sure you run the diagnostic with the ignition switch in the ON (II) position as this DTC sets if the test is run with the ignition switch in



the ACCESSORY (I) position.



1. Clear the hard error code.



2. Turn the ignition switch to LOCK (0), and then back to ON (II).



3. Go into the Diagnostic Menu, and select the Self-Diagnosis Mode in the Select Diagnosis Items menu See: Accessories and Optional



Equipment/Navigation System/Testing and Inspection/Initial Inspection and Diagnostic Overview/Navigation System Diagnostic Mode.



4. Check the System Links.



Is the Aircon icon red?



YES -



Go to step 5.



NO -



Intermittent failure, the system is OK at this time.?



5. Turn the ignition switch to LOCK (0).



6. Disconnect these items:



- Audio-Navigation unit connector F (20P)



- Climate control unit connector A (40P) and connector B (14P)



7. Check for continuity between body ground and audio-navigation unit connector F (20P) terminals No. 4, No. 5, No. 10, and No. 14