Rearview camera image does not come on or work properly
Rearview camera image does not come on or work properlyNOTE:
- 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 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 (1) when shifter is moved from the park to the reverse positions?
YES - Go to step 6.
NO - Go to step 4.
4. Disconnect the navigation unit connector C (8P).
5. Measure the voltage on the navigation unit connector C (8P) terminal No. 5 to body ground with the shifter in the reverse position.
Is there battery voltage?
YES - Place the shifter back into the park position and go to step 6.
NO - There is no back-up signal voltage from the back-up light circuit. Place the shifter back into the park position and troubleshoot the open or short in the back-up light circuit.
6. Disconnect the navigation unit connector G (7P).
7. Disconnect the rearview camera 6P connector.
8. Check for continuity between navigation unit connector G (7P) and rearview camera 6P connector according to the table.
Is there continuity?
YES - Go to step 9.
NO - Open in the wire(s) between navigation unit and rearview camera. Replace the affected shielded harness.
9. 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 10.
10. 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). Replace the appropriate shielded harness.
NO - A short in the wire(s) for the rearview camera could permanently damage the navigation unit. Once the short to ground is repaired, recheck the camera operation. If the camera does not work, substitute a known-good navigation unit. If the symptom goes away, replace the original navigation unit.