BAS Brake Assist Layout Diagram
1 - The main brake cylinder; 2 - Vacuum pipe; A1e17 - ABS fault indicator lamp; A1e39 - Signal lamp EA; A1e47 - BAS / ESP fault indicator lamp; A1e48 - BAS / ASR malfunction indicator lamp; A1e49 - BAS / ETS malfunction indicator lamp; A7 / 7 - Vacuum amplifier; A7 / 7Y - BAS diaphragm displacement sensor; A7/7s1 - BAS emergency brake booster switch; А7/7у1 - Solenoid valve BAS; N48 - BAS brake booster control unit; Y61 - Brake Master Cylinder Shift Valve