Panamera S (970) V8-4.8L (2010)
Hydraulic Control Assembly - Antilock Brakes: Service and Repair
Replacing Hydraulic Unit/Control Unit
Replacing hydraulic unit/control unit
Information
NOTICE
Replacing the hydraulic unit/control unit
*
The hydraulic unit forms a single unit with the control unit.
*
The hydraulic unit and control unit are always replaced together.
*
When replacing the hydraulic unit/control unit, the new assembly must be to hand before the old one is removed.
*
The data as well as the coding of the old control unit must be transferred to the new unit before the old one is removed.
*
The hydraulic unit/control unit must be calibrated (calibration of hydraulic unit/control unit with combination sensor). Without
calibrating, the PSM will have incorrect values or no values.
-> Procedure
-> The Porsche System Tester must not be disconnected from the diagnostic socket when replacing the hydraulic unit.
-> Read out data from old hydraulic unit/control unit. Switch off the ignition. Pull off connector for hydraulic unit and connect connector to the new
hydraulic unit. Switch on ignition. Transfer data.
Coding and calibrating hydraulic unit/control unit
Coding hydraulic unit/control unit
Information
Always read the information section.
*
If the hydraulic unit is replaced, the control unit of the hydraulic unit must be coded and calibrated.
*
When replacing the hydraulic unit, there are a number of ways to code the hydraulic unit/control unit.
1. - Control unit replacement
2. - Automatic coding using coding rules
3. - Manual coding of hydraulic unit using coding rules from the >vehicle I-Pass<
Information
If the hydraulic unit is replaced, the PSM control unit must be coded using the Porsche System Tester. Hydraulic unit and PSM control unit form one
unit.
1. Control unit replacement
> Control unit overview
> PSM
> Maintenance/repair
> Control unit replacement