Manufacturer Code Charts: 1801

Navigation System DTC Troubleshooting: 1801

DTC 1801:

HIP Error

NOTE:

- Check the vehicle battery condition first Battery Test.
- This navigation DTC sets when a problem (open or short) is detected in the COMM BUS.
- Before you troubleshoot, make sure to follow the General Troubleshooting Information How to Troubleshoot the Navigation System.
- Check for and resolve any B-CAN DTCs before troubleshooting.
- Check any official Honda service website for any service information about the AcuraLink or software updates.

With AcuraLink

1. Clear the hard error code.

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

3. Go into the System Diagnostic Mode, and select the Self-Diagnosis Mode.

4. Check the System Links.

Is the XM (HIP) icon red?

YES -

Go to step 6.

NO -

Go to step 5.

5. Check the System Links.

Is the HFL icon red?

YES -

Do the DTC 2705 troubleshooting With AcuraLink.

NO -

Intermittent failure, the system is OK at this time.

6. Select the XM (HIP), then check the XM (HIP) System Links.

Are the XM (HIP). ECU and Navi icons red?

YES -

Go to step 7.

NO -

Do the DTC 2704 troubleshooting 2704.

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

8. Connect the HDS to the DLC.

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

10. Check for DTCs with the HDS.

Are any AcuraLink DTCs indicated?

YES -

Do the AcuraLink DTCs troubleshooting How to Troubleshoot the AcuraLink.

NO -

Go to step 11.

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

12. Disconnect AcuraLink control unit connector A (32P) and navigation unit connector D (5P).

13. Check for continuity between terminals of AcuraLink control unit 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 and the navigation unit. Replace the affected shielded harness.

NO -

Go to step 14.

14. 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 in the wire(s) between AcuraLink control unit connector A (32P) and body ground. Replace the affected shielded harness.

NO -

Go to step 15.

15. Connect the AcuraLink control unit connector A (32P) terminals No. 17, No. 18, No. 19, and No. 20 to body ground with jumper wires.






16. 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 -

Replace the navigation unit Service and Repair.

NO -

There is an open in the wire(s) between AcuraLink control unit connector A (32P) and navigation unit connector D (5P). Replace the affected shielded harness.