Circuit/System Verification
WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If the condition is intermittent or cannot be duplicated, disconnect the connectors and add Nyogel lubricant 760G. This procedure will correct the high resistance condition due to terminal fretting corrosion.
- Ignition ON.
- Verify that DTC B2545 is not set.
- If the DTC is set
Refer to DTC B2545 .
- Go to next step: If the DTC is not set
- If the DTC is set
- Verify the rearview camera has no debris on the lens and that the bezel and bezel seal are not damaged.
- If debris are found on the lens
Clean the lens using water and a soft cloth. If the lens, bezel, or bezel seal are damaged, replace as necessary.
- Go to next step: If no debris on the lens
- If debris are found on the lens
- Engine running, parking brake applied, transmission in REVERSE.
- Verify the backup lamps are illuminated.
- If the backup lamps are not illuminated
Refer to Backup Lamps Malfunction .
- Go to next step: If the backup lamps are illuminated
- If the backup lamps are not illuminated
- Engine running, parking brake applied, transmission in REVERSE.
- Verify a clear rear vision image is displayed on the P17 Info Display Module.
- If a clear image is not displayed
Refer to Circuit/System Testing.
- Go to next step: If a clear image is displayed
- If a clear image is not displayed
- All OK.
NOTE:
A poor quality image is an image that has flickering, blinking, excessively blue/yellow hue, and/or fog/haze such that it obstructs the driver's view out the rear of the vehicle.