Removing and installing/replacing DSC control unit (DSC MK100)

IMPORTANT: Read and comply with notes on PROTECTION AGAINST DAMAGE FROM ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Necessary preliminary tasks:

Remove HYDRAULIC UNIT .

IMPORTANT: Risk of damage to the contacts when removing and installing the hydraulic unit.

Release screws (1) and carefully detach control unit (2) towards front.

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IMPORTANT: Cleaning with compressed air, chemical solvents and sharp-edged objects is not permitted.
Do not touch pressure sensor contacts (2) with your fingers or clean the contacts.

If necessary, clean sealing surface (1) with a plastic scraper or a fluff-free cloth.

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IMPORTANT: Do not touch, clean or readjust valve coils (1) and pressure sensor contact springs with your fingers.

Check gasket (2) for damage. If damaged, replace DSC control unit (3).

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Installation note:

Make sure screws are inserted evenly and DSC control unit rests on hydraulic unit.

Replace screws.

Observe tightening sequence (1-3).

Tightening torque 34 51 1AZ .

Fig 1: DSC Control Unit Screws Tightening Sequence

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Replacement:

Carry out programming/encoding
Steering angle sensor adjustment
or

adjustment for active steering
Brake line mix-up test:
Function check, hydraulic unit