199000776 - F030 ANTI-SLIP FUNCTION NOT WORKING - ASR

The front wheels slip with sudden acceleration, even with the ASR warning light flashing in the panel
Results of the tests
1CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Connect the Examiner Plus or Smart diagnostic equipment to the diagnostic connector:- that there are no faults in the ABS control unit;- the plausibility of all the parametersMove on to Step 21. Presence of errors in the control unit.2. No communication with the control unit1. Proceed as instructed by the diagnostic tester2. Restore the connection between the ABS control unit and the diagnostic connector    See E7020 ABS
2CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Keep the diagnostic equipment connected carry out the active diagnosis of:- pump motor;- solenoid valvesMove on to Step 3Pump and/or solenoid valves faultyReplace the ABS electronic control unit electrohydraulic unit    Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT - R.R.
3CHECK FRONT PAD TYPE AND SURFACEAll OKProblems encounteredOperation
Check:- condition of pad braking surfaces;- type of padsMove on to Step 41. Brake surfaces vitrified or with traces of oil or grease2. Front pads damaged or not the correct type1. Clean again and remove the causes of the fault2. Replace the front pads    Op. 3310A60 FRONT BRAKE PADS - REPLACE
4CHECK FRONT DISCSAll OKProblems encounteredOperation
Check the condition of the front brake discsMove on to Step 5Front discs worn or damagedReplace the front discs    Op. 3310A48 FRONT BRAKE DISC (ONE), LEFT OR RIGHT - R.R
5FRONT BRAKE CALIPER CHECKAll OKProblems encounteredOperation
Check the sliding of the front brake caliper control pistonsMove on to Step 6Front caliper pistons seizedReplace the front brake calipers    Op. 3310A30 FRONT BRAKE CALIPER (ONE) - R.R
6CHECK ON PIPES / HOSES AND BLEED BRAKESAll OKProblems encounteredOperation
Visually inspect that there are no bends or constrictions in the brake pipes, bleed the system and check that the fluid comes out evenly from the bleed screwsEnd of diagnosisBends or constrictions present, the fluid does not come out evenlyReplace the section of pipe affected by the problem