The layout of the components of the anti-slip system ASR / ETS
A1e17 - ABS fault indicator lamp; B24/2 - Lateral acceleration sensor (140.04/05/06/07); K20 / 1 - Pump relay; A7 / 3 - Hydraulic block ASR / ETS; L6 / 1, L6 / 2 - Left and right front wheel speed sensors; L6 / 3, L6 / 4 - Left and right rear wheel speed sensors; N16/1 - Main control unit; S9/1 - Stoplight switch; Х11/4 - Diagnostic socket; Y61 - Brake Master Cylinder Shift Valve
Only on models with ASR:
A1e21 - Signal lamp ASR; A1e22 - ASR malfunction indicator lamp (models with BAS); A1e48 - BAS / ASR malfunction indicator lamp; N47-1 - ASR/SPS control unit; S76/5 - ASR switch.
Only on models with ETS:
A1e35 - ETS fault indicator lamp; A1e36 - Signal lamp ETS; N47-2 - ETS/SPS control unit