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

1. Connect the HDS to the DLC.

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

3. Check for DTCs with the HDS.

Are there any DTCs present?

YES -

Troubleshoot the DTC, then recheck.�

NO -

Go to step 4.

4. Start the engine.

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

YES -

Go to step 5.

NO -

Go to No picture is displayed troubleshooting Symptom Troubleshooting.�

5. Go into the System Diagnosis Mode, and use the System Links diagnosis Navigation System Diagnostic Mode 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 6.

NO -

Go to step 8.

6. Confirm the system connection.

Is the R-camera link red on the screen?

YES -

Go to step 8.

NO -

Go to step 7.

7. Go into the System Diagnostic Mode, and use the Car Status diagnosis to check the BACK signals.

Does the BACK signal change from [0] to [1]when the shift lever position is changed from P or N to R?

YES -

Go to step 8.

NO -

Go to step 6 on Vehicle position icon wanders across the map when driving (does not follow a displayed road) or map vehicle ICON spins troubleshooting.�

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

9. Check the connections between the navigation display unit 32P connector and the rearview camera 12P connector.

Are the connections OK?

YES -

Go to step 10.

NO -

Repair the poor connection, and reconnect the connectors.�

10. Disconnect the navigation display unit 32P connector and the rearview camera 12P connector.

11. Check for continuity between the navigation display unit 32P connector and the rearview camera 12P connector according to the table.













Is there continuity?

YES -

Go to step 12.

NO -

There is an open in the wire between the navigation display unit 32P connector and the rearview camera 12P connector or replace the affected shielded harness.�

12. Check for continuity between the terminals of the navigation display unit 32P connector according to the table.









Is there continuity 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 13.

13. Check for continuity between the navigation display unit 32P connector and body ground according to the table.









Is there continuity?

YES -

There is a short to body ground 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 ON (II), or press the engine start/stop button to select the ON mode.

15. Measure the voltage between the navigation display unit 32P connector and body ground according to the table.









Is there less than 0.2 V?

YES -

There is a short to power in the wires between the navigation display unit and the rearview camera, Replace the affected shielded harness.�

NO -

Go to step 16.

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

17. Reconnect the rearview camera 12P connector.

18. Substitute a known-good navigation display unit Service and Repair, and check the rearview camera image in reverse.

Is the rearview image OK?

YES -

Replace the original navigation display unit Service and Repair.�

NO -

Replace the rearview camera Service and Repair.�