Navigation System

Navigation System DTC Troubleshooting: 2705

DTC 2705: HFL Diag

NOTE:

- Check the vehicle battery condition first.

- Before you troubleshoot, make sure to follow the general troubleshooting information. How to Troubleshoot the Navigation System

Without AcuraLink

1. Clear the hard error code. How to Troubleshoot the Navigation System

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. 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. Turn the ignition switch to ON (II).

7. Check for DTCs with the HDS.

Are there any HFL DTCs indicated?
YES - Do the HFL DTC troubleshooting.

NO - Go to step 8.


8. Disconnect the HandsFreeLink control unit 28P connector and navigation unit connector D (5P).

9. Check for continuity between terminals of the HandsFreeLink control unit 28P connector according to the table.





Is there continuity between any of terminals?
YES - There is a short in the wire(s) between the HandsFreeLink control unit and the navigation unit. Replace the affected shielded harness.

NO - Go to step 10.






10. Connect the HandsFreeLink control unit 28P connector terminals No. 6, No. 7, No. 20, and No. 21 to body ground with a jumper wire.






11. Check for continuity between body ground and navigation unit connector D (5P) terminals No. 1, No. 2, No. 3, and No. 4 individually.

Is there continuity?
YES - Repair short in the wire(s) between navigation unit connector D (5P) and the HandsFreeLink control unit 28P connector.

NO - Replace the navigation unit. Service and Repair