Is there continuity?
YES -
Replace the HandsFreeLink control unit See: Accessories and Optional Equipment/Cellular Phone/Communications Control Module/Service and
Repair.?
NO -
There is an open in the wire(s) between the AcuraLink control unit (XM receiver) and the HandsFreeLink control unit. Replace the affected
shielded harness.?
Without AcuraLink
Navigation System DTC Troubleshooting: 2705
DTC 2705:
HFL Diag
Without AcuraLink
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 sets when a problem is detected in the connecting lines (open or short) or in the HandsFreeLink control unit.
- 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.
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 HFL 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. Connect the HDS to the DLC See: Accessories and Optional Equipment/Cellular Phone/Testing and Inspection/Initial Inspection and
Diagnostic Overview.
7. Turn the ignition switch to ON (II).
8. Check for DTCs with the HDS.
