Why does the reversing camera change from full screen to half screen?
3 Answers
It is caused by a loose connection of the signal cable interface. Below is relevant information about the reversing camera: 1. Definition: The reversing camera, also known as the parking assist system, reverse visual system, or onboard monitoring system, is widely used in various large, medium, and small vehicles for reversing or driving safety assistance. This system provides a more intuitive and clear view of the rear when reversing, making it one of the most practical configurations for reversing safety; 2. Applied technology: Professional vehicle-mounted probes have further improved anti-magnetic, anti-shock, waterproof, and dustproof performance. The onboard display uses TFT true color, with anti-magnetic treatment to eliminate signal interference and flicker. It can simultaneously receive two videos and play VCD and DVD without a decoder. It also features automatic horizontal switching and automatic on/off functions for reversing visibility.
A few days ago, my car's reversing camera suddenly shrank to half the screen, so I specifically asked an experienced mechanic. He said it's most likely the infotainment system acting up, especially right after an upgrade—it's similar to a mobile app crashing. Another possibility is the camera connector getting loose from slamming the trunk too hard, so check the wiring connectors by peeling back the felt lining. If you have an ultra-wide screen model, see if you accidentally triggered split-screen mode—last time, my elbow accidentally pressed a steering wheel button and caused this. If all else fails, try the ultimate solution: hold the infotainment power button for ten seconds to force a reboot, just like restarting a frozen phone.
A sudden half-screen display in the reverse camera is mostly caused by software bugs or wiring issues. Like my domestic car, this happened after the last OTA update, and it was fixed only after the 4S store reinstalled the system. Water ingress and oxidation in the camera connector can also lead to poor signal transmission, so pay special attention to whether the rubber sleeve of the trunk wiring harness is cracked during the rainy season. Cars with trajectory lines are more troublesome, requiring checks on whether the steering angle sensor data is abnormal. The most bizarre case was a car owner finding that the trunk mat had jammed the camera and deformed it, so it's essential to walk around the car and check after parking.