Diesel Data: Automotive Repair

Symptom Troubleshooting




Symptom Troubleshooting: Rearview camera image does not come on or work properly

Rearview camera image does not come on or work properly

1. Turn the ignition switch to ON (II), and start the engine.

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. Symptom Troubleshooting


2. Go into the Self-Diagnosis Mode, and use the System Links diagnosis Navigation System Diagnostic Mode to check the connection between the navigation unit and the rearview camera.

Is the R-camera link on the screen?
YES - Go to step 3.

NO - Go to step 13.


3. Confirm the system connection.

Is the R-camera link red on the screen?
YES - Go to step 4.

NO - Go to Car Status, and check the BACK-Reverse indication status. Navigation System Diagnostic Mode


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

5. Check the connections between the navigation display unit 28P connector and the rearview camera 6P connector.

Are the connections OK?
YES - Go to step 6.

NO - Repair the poor connection, and reconnect the connectors.


6. Disconnect the navigation display unit 28P connector and the rearview camera 6P connector.

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





Is there continuity?
YES - Go to step 8.

NO - There is an open in the wire between the navigation display unit 28P connector and the rearview camera 6P connector. Replace the affected shielded harness.






8. Check for continuity between navigation display unit 28P connector and body ground according to the table. Then check for continuity between navigation display unit 28P connector terminal No. 11 and rearview camera 6P connector terminal No. 5 and the same terminals.





Is there continuity?
YES - There is a short in the wire between the navigation display unit and the rearview camera. Replace the affected shielded harness.

NO - Go to step 9.






9. Turn the ignition switch to ON (II), and measure the voltage between navigation display unit 28P connector and body ground according to the table.





Is there 0.5 V or more?
YES - There is a short to power in the wire between the navigation display unit and the rearview camera. Replace the affected shielded harness.

NO - Go to step 10.






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

11. Reconnect the rearview camera 6P connector.

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

Is the rearview image OK?
YES - Replace the original navigation unit. Service and Repair

NO - Replace the rearview camera. Service and Repair


13. Press Return in the upper right corner of the screen to return the main menu, then go to Version. Navigation System Diagnostic Mode

14. Check the model code that is displayed.

Is the correct navigation unit model code displayed for this vehicle?
YES - Go to step 15.

NO - The wrong navigation unit is installed. Replace the navigation unit with the correct part. Service and Repair


15. Remove the navigation DVD from the navigation unit, and check the label color of the navigation DVD.

Is the DVD label white (or possibly gray for Canada)?
YES - Reinsert the navigation DVD, and go to step 4.

NO - Replace the navigation DVD with the correct color See the Obtaining a Navigation DVD in the General Troubleshooting Information.. Reading and Clearing Diagnostic Trouble Codes