Manufacturer Code Charts: 2704

Navigation System DTC Troubleshooting: 2704

DTC 2704:

HIP Diag (AcuraLink)

USA models

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check for and resolve and CAN DTCs before troubleshooting DTC 2704.
- Before you troubleshoot, make sure to follow the General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes.

1. 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 the ON mode.

2. Go into the System Diagnostic Mode, and select the Self-Diagnosis Mode in the Select Diagnosis Items menu Navigation System Diagnostic Mode 1.

3. Check the System Links.

Is the XM (HIP) icon red?

YES -

Go to step 4.

NO -

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

4. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

5. Connect the HDS to the DLC How to Troubleshoot the Handsfreelink System 2.

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

7. Do the B-CAN test mode A Troubleshooting - B-CAN System Diagnosis Test Mode A, and check the communication with the AcuraLink control unit (XM receiver).

Does the AcuraLink control unit communicate with the HDS?

YES -

Go to step 8.

NO -

Go to AcuraLink control unit (XM receiver) Troubleshooting.�

8. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

9. Disconnect AcuraLink control unit (XM receiver) connector A (32P) and audio-navigation unit connector H (28P).

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









Is there continuity between any of terminals?

YES -

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

NO -

Go to step 11.

11. Check for continuity between body ground and AcuraLink control unit connector A (32P) terminals No. 17, No. 18, No. 19, and No. 20 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 audio-navigation unit. Replace the affected shielded harness.�

NO -

Go to step 12.

12. Check for continuity between body ground and audio-navigation unit connector H (28P) terminals No. 9, No. 10, No. 22, and No. 23 individually.





Is there continuity?

YES -

There is a short in the wires between the AcuraLink control unit (XM receiver) and the audio-navigation unit. Replace the affected shielded harness.�

NO -

Go to step 13.

13. Check for continuity between the terminals of AcuraLink control unit (XM receiver) connector A (32P) and audio-navigation unit connector H (28P) according to the table.













Is there continuity?

YES -

Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication does not go away, replace the AcuraLink control unit (XM receiver) AcuraLink Control Unit-XM Receiver Removal/Installation (With AcuraLink (USA Models With Navigation)).�

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.�