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What Causes the Central Locking System in a Cerato to Malfunction?

1 Answers

VonTalia

07/30/25 4:36am

The automatic malfunctioning of the central locking system is often caused by a grounding issue with the central lock's power supply or damage to the brake light power wiring. It is recommended to visit a repair shop to diagnose and fix the issue. Below are detailed explanations: 1. Protection: Users can protect their vehicles by setting an unlock password for the door lock remote ECU, which triggers an alarm in case of unauthorized door opening attempts. Most systems use radio waves or infrared signals as the medium for transmitting identification signals, available in key fob and integrated types. 2. Principle: When the central locking system receives the correct code signal, the control wave receiving circuit is triggered to extend the receiving time by 0.5 seconds before returning to standby mode. If the input code signal does not match, the receiving circuit will not be triggered. If more than 10 incorrect code signals are input within 10 minutes, the system assumes a theft attempt and stops receiving any signals.

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