Canada Models

Navigation System DTC Troubleshooting: 2705

DTC 2705:

HFL Diag

Canada Models

NOTE:

- Check the vehicle battery condition first 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 How To Troubleshoot The Navigation System.

1. Clear the hard error code.

2. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode, then back to ON (II), or press the engine start/stop button to select the ON mode.

3. Go into the System Diagnostic Mode, and select the Self-Diagnosis 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), or press the engine start/stop button to select the OFF mode.

6. Connect the HDS to the DLC.

7. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

8. Check for DTCs with the HDS.

Are any HFL DTCs indicated?

YES -

Do the HFL DTC troubleshooting.�

NO -

Go to step 9.

9. Do the B-CAN Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A, and check the communication with the HandsFreeLink control unit.

Does the HandsFreeLink control unit communicate with the HDS?

YES -

Go to step 10.

NO -

Go to HandsFreeLink control unit troubleshooting.�

10. Disconnect the HandsFreeLink control unit 28P connector and audio-navigation unit connector H (28P).

11. Check for continuity between body ground and the HandsFreeLink control unit 28P connector according to the table.









Is there continuity?

YES -

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

NO -

Go to step 12.

12. 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 wires between the HandsFreeLink control unit and the audio-navigation unit. Replace the affected shielded harness.�

NO -

Go to step 13.

13. Check for continuity between the HandsFreeLink control unit 28P connector and audio-navigation unit connector H (28P) according to the table.













Is there continuity?

YES -

Replace the HandsFreeLink control unit Service and Repair.�

NO -

There is an open in the wire(s) between the audio-navigation unit and the HandsFreeLink control unit. Replace the affected shielded harness.�