Removing and Installing/Replacing DSC Control Unit

34 52 516 - Removing and installing / replacing DSC control unit





Important!
Read and comply with notes on protection against electrostatic damage (ESD protection) 61 35 ... Notes on ESD Protection (Electro Static Discharge).





Necessary preliminary tasks:
- Before removal, read out the control unit fault memory and if necessary print out the diagnostic trouble code.

Installation Note:
When replacing the control unit, carry out the following tasks with the DIS (Diagnosis and Information System):

- Vehicle coding (performed by the vehicle itself)
- Adjustment of steering angle sensor (performed by the vehicle itself)
- Adjustment of brake pressure sensor (performed by the vehicle itself)
- Adjustment of lateral acceleration sensors (performed by the vehicle itself)
- Function check, hydraulic unit





Unfasten plug connection (1).
Release screws (2) and carefully detach control unit (3) towards front.

Important!
Risk of damage to the contacts when removing and installing the hydraulic unit.





Installation Note:
Keep sealing faces clean.
Replace screws.
Observe tightening sequence (1-4).
Tightening torque 34 51 1AZ 34 51 Slip Control System (ABS, ASC+T, DSC).