David Sun

thank you, friend I am not advertising, just share an experience, can help to everyone My English is not good, please understand

Wrong wiring Will lead to blank screen

Hello everyone BMW X5 X6 E70 E71 electronic hand brake EMF control unit module We often encounter, EMF control unit, internal failure This failure, we can successfully repair First, let's look at the location and appearance of the EMF, as follows: Shell number is this, as follows: Open EMF is the case, as follows: Open the PCB of the control unit as follows: We need to do is: 1: Replace the motor 2: Check the motor behind the two wiring, to ensure good 3: Replace the blue relay 4:Check the other side of the motor gear (not the motor's own gear, please note), because it is colloid, long working wear, deformation, if the deformation is serious, need to replace the processing Because my English is not good, there are many details can not be more clearly expressed, please understand that if you have a better maintenance methods, you can reply to this post below the discussion.

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