NO -
Go to step 22.
22. Connect AcuraLink control unit (XM receiver) connector A (32P) terminals No. 17, No. 18, No. 19, and No. 20 to body ground with jumper
wires.
23. Check for continuity between body ground and audio-navigation unit connector C (28P) terminals No. 9, No. 10, No. 22, and No. 23
individually.
Is there continuity?
YES -
Replace the AcuraLink control unit (XM receiver).? See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Service and
Repair/AcuraLink Control Unit (XM Receiver) Removal/Installation
NO -
There is an open in the wire(s) between the AcuraLink control unit (XM receiver) and the audio-navigation unit. Replace the affected shielded
harness.?
With AcuraLink
Navigation System DTC Troubleshooting: 2705
DTC 2705:
HFL Diag
With 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).
