Audio System DTC Troubleshooting: 2705
DTC 2705: HFL Diag
NOTE:
Check the vehicle battery condition first.
This navigation DTC sets when NG is indicated in the HFL diagnosis (the HFL icon is red in the System Link).
Before you troubleshoot, make sure to follow the General Troubleshooting Information.
Check the connectors for poor connections or loose terminals.
1.
Problem verification:

Problem verification
?1.
Clear the hard error codes.

?2.
Turn the vehicle to the OFF (LOCK) mode then the ON mode.

?3.
Check for hard error codes.

Is DTC 2705 indicated?

     
YES
     
     
     
     
NO
     
     
     
Intermittent failure, the system is OK at this time.?