Is a Fuse Blown When the Central Control Screen Doesn't Light Up?

2 Answers
SanHolden
07/29/25 11:17pm
When the central control screen doesn't light up, it may be due to a fuse failure caused by excessive load leading to the fuse blowing. Here is relevant information about fuses: 1. Working principle: The fuse is located under the interior trim panel on the side of the main driver's dashboard. Its working principle utilizes electromagnetic induction where the conductor cuts magnetic field lines to generate potential, converting the prime mover's mechanical energy into electrical output. 2. Composition: A fuse consists of a fusible element (fusible link), electrode parts, and support structure. Fuse types include flat-ended tubular fuses, pointed tubular fuses, knife-blade fuses, screw-type fuses, blade fuses, flat fuses, wrapped fuses, and SMD fuses. Their function is to quickly melt when circuit current exceeds twice the fuse's rated current, thereby protecting the circuit.
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LaDaisy
08/16/25 1:39am
When my car's center console screen suddenly went dark while I was driving, I initially thought it was a blown fuse. However, it turned out not to be the case. Since my car was still under warranty at the time, I took it to the 4S dealership for inspection and discovered that the center console system software had frozen. A simple restart fixed the issue. That said, common causes for this problem do include blown fuses—often due to excessive current or short circuits—as well as wiring issues like loose plugs or corroded connectors leading to poor contact. Screen malfunctions, such as aging or water-induced short circuits, can also be culprits, along with unstable power supply systems caused by a dead battery or abnormal alternator output. For troubleshooting, I recommend starting with a DIY check: locate the fuse box using the car manual and try replacing the suspected fuse with a spare. If the screen still doesn’t light up, avoid tampering with the wiring further to prevent exacerbating the issue. Instead, visit a professional repair shop to scan for error codes with a diagnostic tool, which will confirm whether it’s a fuse failure or another underlying cause. For preventive maintenance, regularly clean the center console area to avoid dust buildup that could trigger contact problems. Remember, while the center screen handles navigation and music, safety comes first—if it goes black, pull over safely before addressing the issue.
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