BMW X5 2001 Bedienungsanleitung

Revision Date:Initial Print Date:1/03Table of ContentsX5 Dynamic Stability ControlSubject PagePurpose of the System ...

10X5 Dynamic Stability ControlSteering Angle Sensor (LEW)The Steering angle sensor is mounted at thebottom of the steering spindle (in front of thefle

11X5 Dynamic Stability ControlBrake Fluid Level Warning SwitchA new fluid level switch is incorporated into the reservoir cap.• With sufficient fluid

12X5 Dynamic Stability ControlInstrument Cluster Warning IndicatorsThree warning indicator lamps are arranged in the instrument cluster:• DSC lamp: In

13X5 Dynamic Stability ControlCAN InterfaceThe MK60 is connected to the CAN bus for communication with the AGS, DME controlmodule, Steering Angle Sens

14X5 Dynamic Stability ControlPrinciple of OperationThe scope of control for the DSC III is comprised of three systems:• ABS• ASC+T• DSCBased on sign

15X5 Dynamic Stability ControlABS regulation has three phases:• Pressure Build• Pressure Hold• Pressure ReleasePressure Build already occurs during no

16X5 Dynamic Stability ControlABS Sub-functionsCorner Brake Control (CBC)CBC can occur if the vehicle is cornering and ABS regulation is not taking pl

17X5 Dynamic Stability ControlElectronic Brake Force Distribution (EBV)EBV will adjust brake pressure to the rear axle based on the rate of slow-down

18X5 Dynamic Stability ControlAutomatic Stability Control (ASC+T)ASC prevents unintentional wheel slip of the drive wheels in every situation.The DSC

19X5 Dynamic Stability ControlWhen brake intervention is necessary, the axle not being regulated must be isolated fromthe Pressure Build sequence in t

2X5 Dynamic Stability ControlModel: E53 X5 3.0i, 4.4i and 4.6isProduction: All from Model IntroductionObjectives:After completion of this module you

20X5 Dynamic Stability ControlLongitudinal differential-lock functionBy performing brake intervention atthe axle with a low friction coeffi-cient, dri

21X5 Dynamic Stability ControlASC Sub-function Engine Drag Torque Reduction (MSR)If the vehicle is driven in low gear when coasting down hill, or if t

22X5 Dynamic Stability ControlUndersteerUndersteer occurs when the driver wishes to turn a corner, but despite the front wheelsbeing turned in the dir

23X5 Dynamic Stability ControlJust as an ASC regulation, DSC brake intervention carries out:• Pressure Build• Pressure Hold• Pressure release

24X5 Dynamic Stability ControlOversteerOversteer occurs when the driver wishes to turn a corner and the tail of the vehicle slidesoutward, leading the

25X5 Dynamic Stability ControlDSC Sub-functionsDynamic Brake System (DBS)DBS is designed to assist the driver in emergency braking situations by autom

26X5 Dynamic Stability ControlMaximum Brake Control (MBC)The MBC function is designed to support driver initiated braking by building up pressure inth

27X5 Dynamic Stability ControlX5 DSC New FunctionsHill Descent ControlHill Decent Control (HDC) is designed for off road use to automatically slow the

28X5 Dynamic Stability ControlAutomatic Differential BrakingOn dry pavement with no wheel slip, the vehicle’s driving torque is split 68% rear and 32%

29X5 Dynamic Stability Control

3X5 Dynamic Stability ControlPurpose of SystemDSC for the X5The X5 is equipped with DSC III for its stability control system. The components are thes

30Braking SystemsTraction ControlThe traction control feature of the DSC III on the X5 cannot be switched OFF with the DSCswitch. Pressing the button

31X5 Dynamic Stability ControlDiagnosisThe following diagnostic functions are available using the DISplus or GT-1.Service Functions:Provides access to

32X5 Dynamic Stability ControlCodingCoding must be performed after replacementof the DSC III control module or the steeringangle sensor. ZCS coding i

33X5 Dynamic Stability Controlreview Questions1. Desribe the operation of the DSC button on the X5 DSC III system? ___2. Describe the activation crite

34X5 Dynamic Stability ControlReview Questions7. List the various sensors used to detect oversteer/understeer in the DSC III systems.8. What is the pu

4X5 Dynamic Stability Control

5X5 Dynamic Stability ControlComponentsThe components of the X5 DSC III system are similar to the E39 with Bosch DSC III 5.7.The location of some comp

6X5 Dynamic Stability ControlComponentsControl Module/Hydraulic UnitThe control module is integrated into thehydraulic unit as one compact unit. Thisr

7X5 Dynamic Stability ControlPre-Charge Pump (Bosch 5.7)The pre-charge pump is located below themaster cylinder in the left side of the enginecompartm

8X5 Dynamic Stability ControlRotation Rate/Transverse Acceleration SensorLocated under the center console behind the MRS III control module, the rotat

9X5 Dynamic Stability ControlDSC SwitchThe system is active whenever the ignition isswitched on. When pressed, the switch providesa momentary 12 volt