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② Check the HECU with repetition device or checking device and determine if it has trouble code. † If with trouble code, firstly conduct the operation to delete the trouble code. checklist of trouble code” (If the HU, motor or ECU has trouble, the inside of HECU
③ After the brake pedal is depressed, open the air discharge screw attached on the wheel brake caliper or drum brake to discharge the internal air. It's required to conduct this operation on all
④ Conduct the air discharge mode by means of the repetition device or the checking device. If
⑤ The operation in item (air discharge) should be repeated for all wheels. ③
⑦ Connect the repetition device and checking device to the HECU and again determine the existence of trouble code. If with trouble code, delete the trouble code and then disconnect the
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