Diagnosis And Testing - Rear Camera
The hard wired circuits of the Rear View Camera (RVC) and those between the RVC and the radio may be diagnosed using conventional diagnostic tools and procedures. Refer to the appropriate wiring information. The wiring information includes wiring diagrams, details of wire harness routing and retention, connector pin-out information and location views for the various wire harness connectors, splices and grounds. For proper wire repair, and connector repair procedures. Refer to STANDARD PROCEDURE . and. Refer to REMOVAL . Refer to INSTALLATION .
However, conventional diagnostic methods will not prove conclusive in the diagnosis of the RVC, the radio or the electronic controls and communication between modules and other devices that provide some features of the RVC system. The most reliable, efficient and accurate means to diagnose the RVC, the radio or the electronic controls and communication related to RVC system operation, as well as the retrieval or erasure of a Diagnostic Trouble Code (DTC) requires the use of a diagnostic scan tool. Refer to the appropriate diagnostic information.
To avoid serious or fatal injury on vehicles equipped with airbags, disable the Supplemental Restraint System (SRS) before attempting any steering wheel, steering column, airbag, seat belt tensioner, impact sensor, or instrument panel component diagnosis or service. Disconnect and isolate the battery negative (ground) cable, then wait two minutes for the system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the SRS. Failure to take the proper precautions could result in accidental airbag deployment.
Before proceeding with the diagnostic steps below, use the scan tool to check the Body Control Module (BCM) for any RVC or Local Interface Network (LIN) bus related Diagnostic Trouble Codes (DTC). Repair as necessary.
| CONDITION | POSSIBLE CAUSES | CORRECTION |
|---|---|---|
| VIDEO IMAGE IS BLURRY OR OBSTRUCTED | 1. Dirt, smears or fingerprints on RVC lens. | 1. Inspect lens for foreign material and clean lens as required, using the lens cleaning procedure. |
| 2. Ineffective camera shield circuit. | 2. Check for loose or damaged wiring connections at the RVC, the deck lid spoiler, the deck lid, the right cowl side inner panel and the radio. Test and repair the open or shorted camera shield circuit, if required. | |
| 3. Moisture buildup on the inside of the lens. | 3. Replace the ineffective camera, if required. | |
| NO VIDEO DISPLAY IN RADIO - DOES NOT DISPLAY CHECK ENTIRE SURROUNDINGS MESSAGE BRIEFLY AFTER SHIFTING INTO REVERSE | 1. Incorrect radio software. | 1. Check to be certain that the radio has the latest software update installed. Install the radio software update, if required. |
| 2. Ineffective radio fuse. | 2. Test and replace the radio fuses, if required. | |
| 3. Ineffective radio ground circuit. | 3. Check for loose or damaged wiring connections at the radio. Test and repair the open radio ground circuit, if required. | |
| 4. Ineffective radio feed circuit. | 4. Check for loose or damaged wiring connections at the radio. Test and repair the open radio feed circuit, if required. | |
| 5. Ineffective radio inputs or outputs. | 5. Use a diagnostic scan tool to test the radio inputs and outputs including those received over the Controller Area Network (CAN) bus. Refer to the appropriate diagnostic information. | |
| 6. Ineffective radio. | 6. Use a diagnostic scan tool to test the radio. Refer to the appropriate diagnostic information. | |
| NO CAMERA IMAGE IN RADIO VIDEO DISPLAY - DOES DISPLAY CHECK ENTIRE SURROUNDINGS MESSAGE BRIEFLY AFTER SHIFTING INTO REVERSE AND BACKUP LAMPS DO OPERATE | 1. Ineffective RVC ground circuit. | 1. Check for loose or damaged wiring connections at the RVC, the deck lid spoiler and the deck lid. Test and repair the open camera ground circuit, if required. |
| 2. Ineffective RVC feed (run relay) circuit. | 2. Check for loose or damaged wiring connections at the RVC, the deck lid spoiler and the deck lid. Test and repair the open RVC feed (run relay) circuit, if required. | |
| 3. Ineffective RVC return circuit. | 3. Check for loose or damaged wiring connections at the RVC, the deck lid spoiler, the deck lid, the right cowl side inner panel and the radio. Test and repair the open or shorted RVC feed circuit, if required. | |
| 4. Ineffective RVC signal circuit. | 4. Check for loose or damaged wiring connections at the RVC, the deck lid spoiler, the deck lid, the right cowl side inner panel and the radio. Test and repair the open or shorted RVC signal circuit, if required. | |
| 5. Ineffective RVC. | 5. Replace the ineffective RVC, if required. | |
| NO ACTIVE GRID LINES BEING OVERLAID ON IMAGE | 1. Data bus communication ineffective. | 1. Use a diagnostic scan tool for additional diagnosis. Refer to the appropriate diagnostic information. |
| 2. Bus message received is incorrect. | 2. Use a diagnostic scan tool for additional diagnosis. Refer to the appropriate diagnostic information. |