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.
- Check for the correct color DVD (white) and software version. The wrong DVD or software version may affect the rearview camera function.
- Make sure the battery is fully charged.
- A short in the wiring to the rearview camera can permanently damage the navigation unit.

1. Set the parking brake.
2. Turn the ignition switch to ON (II).
3. Go into the system diagnostic menu and check the reverse signal in the car status test.

Does the back-up signal go from OFF (0) to ON (I) when shifter is moved from the park to the reverse positions?

YES - Go to step 9.

NO - Go to step 4.

4. Turn the ignition switch to LOCK (0).
5. Disconnect navigation unit connector C (8P).
6. Turn the ignition switch to ON (II).
7. Measure the voltage between navigation unit connector C (8P) terminal No. 5 and body ground with the shifter in the reverse position.






Is there battery voltage?

YES - Go to step 8.

NO - There is no back-up signal voltage from the back-up light circuit. Place the shifter back into the park position (A/T) or neutral (M/T) and troubleshoot the open or short in the back-up light circuit.

8. Place the shifter back into the park position (A/T) or neutral (M/T).
9. Turn the ignition switch to LOCK (0).
10. Disconnect the navigation unit connector G (7P).
11. Disconnect the rearview camera 6P connector.
12. Check for continuity between the navigation unit connector G (7P) and body ground according to the table.






Is there continuity?

YES - Short to body ground in the wire(s) between navigation unit and rearview camera. Replace the affected shielded harness.

NO - Go to step 13.

13. Check for continuity between the terminals of navigation unit connector G (7P) according to the table.






Is there continuity between any of the terminals?

YES - Short in the wire(s) between navigation unit and rearview camera. Replace the affected shielded harness.

NO - Go to step 14.

14. Check for continuity between navigation unit connector G (7P) and rearview camera 6P connector according to the table.






Is there continuity?

YES - Substitute a known-good rearview camera and recheck. If the symptom/indication goes away, replace the original rearview camera. If the symptom/indication is still present, replace the navigation unit.

NO - Open in the wire(s) between navigation unit and rearview camera. Replace the affected shielded harness.