Your faulty electronic card needs some checks to diagnose the fault using this type of technique. LED headlight repair There should be no short circuit between the power and ground lines of the electronic card. If you apply energy to the electronic card you want to repair without performing these checks, you may encounter undesirable results and may take a repairable card to irreparable stages. Examples of Functional Test Technologies and Devices: Board Master 8000PLUS AICT Analog Functional Tester BFL Digital Functional Tester ATM Advanced Digital Functional Tester LMC Analog Integrated Handheld Functional Tester CMCAnalog Integrated Handheld Functional Tester When the LEDs fail, the daytime running lights are completely may become unusable. In such a case, the faulty LEDs must be replaced with new ones. Authorized services say that the headlight should be replaced with a new one instead of replacing the faulty LEDs. Because simply replacing the LED chip is a process that takes time and requires experience.
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