What Causes the Reversing Camera Screen to Turn Blue?
2 Answers
The reason for the reversing camera screen turning blue is: the display has no video signal input, or there is a fault with the signal input or the camera. It is necessary to check whether the video head connection is loose. If there is no looseness and the screen is still blue, please check if the camera is functioning properly by connecting it to another display to see if there is an image. If there is still no image, it is recommended to reinsert the camera's power cable and data cable, as it might be caused by poor contact. The reversing camera, also known as the parking assist system, or reversing visual system, or onboard monitoring system, is widely used in various large, medium, and small vehicles for reversing or driving safety assistance.
Recently I've been thinking about this issue - a blue screen in the reverse camera can have multiple causes. The most common is camera failure, such as when the lens is blocked by mud or internal sensors are damaged, preventing image signal transmission. Another major factor is wiring issues: those cables running from the trunk to the head unit may become loose or worn over time due to prolonged vibration, causing connection interruptions. Aging of the head unit itself can also easily lead to blue screens, as it processes image data and will stop working if memory or chips malfunction. There are also software aspects - sometimes incompatibility or crashes after system updates; try restarting the infotainment system. A faulty reverse light switch could also be the culprit since it sends signals to activate the camera system. My personal suggestion is to start with simple checks: clean the camera, ensure cables are securely connected; if that doesn't work, take it to a professional shop for testing. Ignoring this could be dangerous as it obstructs your reversing visibility, especially during nighttime parking.
