Symptom Related Diagnostic Procedures

REAR CAMERA INOPERATIVE





For a complete wiring diagram, refer to the Wiring Information Electrical Diagrams.

- When Monitored:
Ignition on, vehicle in reverse.

- Set Condition:
No rear picture is displayed on radio with the vehicle in reverse.





1. VERIFY OPERATION OF THE RADIO AND BACKUP LAMPS
1. Verify the operation of the Radio and Backup Lamps.

Do the Radio and Backup Lamps operate correctly?

Yes

- Go To 2

No

- Diagnose any problems with the Radio and Backup Lamps.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. (L1) BACKUP LAMP FEED CIRCUIT




1. Turn the ignition off.
2. Apply the parking brake.
3. Disconnect the Rear Video Camera harness connector.
4. Turn the ignition on.
5. Shift the vehicle into reverse.
6. Measure the voltage of the (L1) Backup Lamp Feed circuit.

Is battery voltage present?

Yes

- Go To 3

No

- Using the wiring diagrams as a guide, repair the (L1) Backup Lamp Feed circuit for an open or short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. GROUND CIRCUIT




1. Turn the ignition off.
2. Measure the resistance between ground and the Ground Circuit.

Is the resistance below 10.0 Ohms?

Yes

- Go To 4

No

- Using the wiring diagrams as a guide, repair the Ground circuit for an open.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

4. CAMERA SIGNAL, RETURN, AND SHIELD CIRCUITS OPEN




1. Disconnect the Radio C3 harness connector.
2. Measure the resistance of the (X970) (X971) and (X972) circuits.

Is the resistance below 10.0 Ohms on the (X970) (X971) or (X972) circuits?

Yes

- Go To 5

No

- Using the wiring diagrams as a guide, repair the appropriate circuit for an open.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

5. CAMERA SIGNAL, RETURN, AND SHIELD CIRCUITS SHORTED TO GROUND




1. Measure the resistance between ground and the (X970) (X971) and (X972) circuits.

Is the resistance below 10.0 Ohms on the (X970) (X971) or (X972) circuits?

Yes

- Using the wiring diagrams as a guide, repair the appropriate circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Rear Video Camera.
- Perform the BODY VERIFICATION TEST. Body Verification Test.