USA Models

Navigation System DTC Troubleshooting: 2705

DTC 2705:

HFL Diag

USA models

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Before you troubleshoot, make sure to follow the general troubleshooting information How to Troubleshoot the Navigation System.

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 XM (HIP) icon red?

YES -

Go to DTC 2704 Troubleshooting 2704.

NO -

Go to step 5.

5. Go into the Diagnostic Menu, and select the Self-Diagnosis Mode in the Select Diagnosis Items menu Navigation System Diagnostic Mode.

6. Check the System Links.

Is the HFL icon red?

YES -

Go to step 7.

NO -

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

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

8. Connect the HDS to the DLC How to Troubleshoot the AcuraLink.

9. Clear the DTCs with the HDS.

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

11. Check for DTCs.

Are there any DTCs indicated?

YES -

Repair the indicated DTCs.�

NO -

Go to step 12.

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

13. Disconnect the HandsFreeLink control unit 28P connector and AcuraLink control unit (XM receiver) connector A (32P).

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









Is there continuity between any of the terminals?

YES -

There is a short in the wire(s) between the HandsFreeLink control unit and the AcuraLink control unit (XM receiver). Replace the affected shielded harness.�

NO -

Go to step 15.

15. Check for continuity between body ground and HandsFreeLink control unit 28P connector terminals No. 6, No. 7, No. 20, and No. 21 individually.





Is there continuity?

YES -

There is a short to body ground in the wire(s) between the AcuraLink control unit (XM receiver) and the HandsFreeLink control unit. Replace the affected shielded harness.�

NO -

Go to step 16.

16. Check for continuity between the terminals of the HandsFreeLink control unit 28P connector and AcuraLink control unit (XM receiver) connector A (32P) according to the table.









Is there continuity?

YES -

Replace the HandsFreeLink control unit Service and Repair, and retest. If the symptom/indication does not go away, replace the navigation unit Service and Repair.�

NO -

There is an open in the wire(s) between the HandsFreeLink control unit and the AcuraLink control unit (XM receiver). Replace the affected shielded harness.�