Symptom Troubleshooting

Navigation System Symptom Troubleshooting - Rearview camera image does not come on or work properly

Rearview camera image does not come on or work properly

NOTE:

- Check the vehicle battery condition first Battery Test.
- Check for B-CAN DTCs and resolve them before troubleshooting.
- Check any official Honda service website for more service information about the navigation system.

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

Does the navigation screen come on and show an image when the vehicle is started?

YES -

Go to step 2.

NO -

Go to No picture is displayed troubleshooting Symptom Troubleshooting.

2. Go into the System Diagnostic Mode, and use the System Links to check the connection between the navigation display unit and the rearview camera.

Is the R-camera link on the screen?

YES -

Go to step 3.

NO -

Substitute a known-good audio-navigation unit (including the HDD) Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.

3. Confirm the system connection.

Is the R-camera link green on the screen?

YES -

Go to step 4.

NO -

Do the DTC 1701: Rear Camera Error troubleshooting 1701.

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

5. Disconnect the navigation display unit 28P connector and driver's under-dash fuse/relay box connector P (20P).

6. Check for continuity between navigation display unit 28P connector terminals No. 8 and No. 9 and driver's under-dash fuse/relay box connector P (20P) terminals No. 5 and No. 6 respectively.





Is there continuity?

YES -

Go to step 7.

NO -

Repair an open in the wire between the navigation display unit and the driver's under-dash fuse/relay box.

7. Disconnect the rearview camera 6P connector.

8. Check for poor connections or loose terminals at the navigation display unit 28P connector and the rearview camera 6P connector.

Are the connections or terminals OK?

YES -

Go to step 9.

NO -

Repair poor connections or loose terminals, and recheck.

9. Check for continuity between the navigation display unit 28P connector and the rearview camera 6P connector according to the table.

















Is there continuity?

YES -

Go to step 10.

NO -

There is an open in the wire(s) between the navigation display unit and the rearview camera. Replace the affected shielded harness.

10. Check for continuity between the terminals of the navigation display 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 navigation display unit and the rearview camera. Replace the affected shielded harness.

NO -

Go to step 11.

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









Is there continuity?

YES -

There is a short in the wire(s) between the navigation display unit and the rearview camera. Replace the affected shielded harness.

NO -

Go to step 12.

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

13. Measure the voltage between the navigation display unit 28P connector and body ground according to the table.









Is there 0.2 V or more?

YES -

There is a short to power in the wire(s) between the navigation display unit and the rearview camera. Replace the affected shielded harness.

NO -

Go to step 14.

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

15. Reconnect navigation display unit 28P connector.

16. Substitute a known-good rearview camera Service and Repair.

17. Turn the ignition switch to ON (II), and check the rearview camera image in shift lever position is R.

Is the rearview image OK?

YES -

Replace the original rearview camera Service and Repair.

NO -

Replace the navigation display unit Navigation Display Unit Removal/Installation.