2006 LAND ROVER FRELANDER 2 Repair Manual

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Page 505 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Inst all t he winds hield wiper motor and l inkage.
Refer t o: W i nds hield W i per Mot or (501-16 W ipers and W as hers ,Removal and Ins tall ati on).
7.
Right-hand drive vehicles
Inst all t he p

Page 506 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Anti-Lock Control - Front Wheel Speed Sensor
Removal and Inst all ati on
Removal
Rais e and s upport t he vehi cl e.
1.
Remove t he front wheel and t ire.
Refer t o: W he

Page 507 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Anti-Lock Control - Rear Wheel Speed Sensor
Removal and Inst all ati on
Removal
• NOTE: Removal s t eps in t his procedure may cont ain i nst all ati on det ail s.
1. W

Page 508 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual T orque:
5 Nm 5.
Installation To i nst all , revers e t he removal procedure.
1.
If a new component i s t o be ins t al led, configure usi ng Land Rover
approved diagnos t ic equipment .
2.

Page 509 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Anti-Lock Control - Traction Control - Anti-Lock Control - Traction Control
Des cript ion and Operat ion
OVERVIEW
The anti -l ock control - tract ion control secti on is inco

Page 510 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Anti-Lock Control - Stability Assist - Anti-Lock Control - Stability Assist
Des cript ion and Operat ion
COMPONENT LOCATION
• NOTE: Left -Hand Drive (LHD) shown; Right -Hand

Page 511 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual 3-Right -Hand (RH) rear wheel s peed s ens or
4-Steering wheel modul e (including s t eering angle sens or)
5-Left -Hand (LH) rear wheel s peed s ens or6-Sensor clus ter
7-LH front wheel speed s ens

3-Right -Hand (RH) rear wheel s peed s ens or
4-Steering wheel modul e (including s t eering angle sens or)
5-Left -Hand (LH) rear wheel s peed s ens or6-Sensor clus ter
7-LH front wheel speed s ensor
8-Int egrat ed Anti -l ock Brake Sys t em (ABS) modul e and Hydrauli c Cont rol Unit (HCU)9-RH front wheel speed s ensor
10-Central Junct ion Box (CJB)
OVERVIEW
The vehi cl e ABS and s t abi li ty control sys tem feat ures a Cont inental Teves Mk25E1 module, wi th an int egral 4-channel HCU.The int egrated ABS modul e and HCU is l ocat ed on t he rear LH s ide of t he engine compart ment, and i s ins tal led i n t hebrake hydrauli c ci rcuit bet ween the brake mas ter cyl inder and the 4 brake calipers.
The ABS module is connect ed to the hi gh s peed Cont roll er Area Net work (CAN) bus , and acti vel y int eracts wi th othervehi cl e s yst em cont rol modules and as sociat ed s ens ors to recei ve and transmit current vehicle operat ing informati on.
W hen requi red, t he ABS module wi ll acti vel y int ervene and operate the HCU during braki ng or vehi cl e maneuvers t o correctt he vehi cl e att it ude, s t abi li ty, t racti on or speed. During severe incident s of vehicle correct ion, t he ABS module will al soreques t the Engine Cont rol Modul e (ECM) to reduce engi ne power i n order t o further stabil ize and correct t he vehicle.
To provide full s ys tem functi onali ty, t he ABS and DSC s ys tems compris e t he fol lowing component s :
DSC s wit chHDC s wi tch4 wheel s peed s ens orsSens or clus terSteering angle s ens orIns t rument clus ter i ndi cat or lampsInt egrat ed ABS module and HCU.
The ABS s yst em al s o provides brake funct ions t hat are des igned to ass is t t he vehi cle or aid the driver. The followi ngfuncti ons are det ai led i n t he s ect ion 'Principl es of Operati on':
Anti -l ock Brake Sys t em (ABS)Corner Brake Control (CBC)Dynamic St abi li ty Cont rol (DSC)Electroni c Brake Force Di s tributi on (EBD)Electroni c Tracti on Control (ETC)Emergency Brake As s is t (EBA)Engi ne Drag-Torque Control (EDC)HDC (wit h gradi ent releas e cont rol )Roll Stabi lit y Control (RSC)Terrai n Res pons e™ sys tem int egrati on.
All t he brake funct ions li s ted, apart from HDC, are automat icall y act ive when t he i gni ti on is in power mode 6 (igni ti on) andt he engi ne is runni ng.
DYNAMIC STABILITY CONTROL SWITCH
The DSC s wit ch all ows the DSC functi on to be s elect ed off. The DSC s wi tch i s non-latchi ng and is i nst all ed in the floorcons ole, forward of the gear s el ect or lever. Pres s ing t he DSC s wi tch connects an ignit ion power feed to t he ABS modul e.W i th the firs t pres s of the DSC swit ch, t he ABS module di sabl es the DSC funct ions . When t he DSC s wi tch i s pres sed agai n,t he ABS module re-enables t he DSC funct ions. The DSC swi tch must be press ed for a minimum of 0.3 s econd for the ABSmodule t o react . The DSC functi on is re-enabled at t he beginning of each ignit ion cycle.
To confirm that t he DSC functi on is sel ect ed off, the amber colored DSC warni ng indicator l amp located i n t he ins t rumentclus ter, is conti nuous ly i ll uminated. On vehicles i nst all ed wit h a hi gh-li ne ins t rument clus ter, a mes sage i s als o di spl ayedin the mess age cent er to confirm t hat DSC is s elect ed off.
For addit ional informat ion, refer t o:
Ins trument Clus ter (413-01 Ins t rument Clus t er, Descripti on and Operat ion),Informat ion and Mes s age Cent er (413-08 Informati on and Mes sage Cent er, Descripti on and Operat ion).
W hen t he DSC funct ion i s s elected on, t he DSC warni ng indicator l amp is ext inguis hed.
Alt hough Land Rover recommend t hat DSC is s elected on for all normal driving condit ions, i t may be benefi ci al t o de-sel ectDSC i n order t o maximi ze tract ion under t he foll owing condit ions:
To rock t he vehicle out of a holl ow or a s oft surface.W hen driving on loose s urfaces or wit h s now chains ins t al led.W hen driving i n deep s and, s now or mud.W hen driving on tracks wi th deep l ongi tudinal rut s .
Even when DSC is des elected, dri ving maneuvers wi th ext reme yaw or lateral acceleration may trigger RSC act ivit y t oas si st the vehicle st abili ty.
To prevent mis -use of, or in the event of a broken DSC s wit ch, a Diagnost ic Troubl e Code (DTC) i s s tored in the ABSmodule memory i f the input from t he DSC s wit ch is hel d high for more than 1 minut e.
HILL DESCENT CONTROL SWITCH
The HDC s wi tch control s t he s el ect ion of t he HDC funct ion.

Page 512 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual The HDC s wi tch i s non-lat chi ng and is ins tall ed in the floor cons ole, forward of the gear s el ect or lever. Moment aril ypres s ing and releasi ng t he HDC s wit ch connects an ignit ion po

The HDC s wi tch i s non-lat chi ng and is ins tall ed in the floor cons ole, forward of the gear s el ect or lever. Moment aril ypres s ing and releasi ng t he HDC s wit ch connects an ignit ion power feed t o t he ABS module. W it h t he fi rs t pres s and rel easeof the HDC s wit ch, t he ABS module enables operat ion of t he HDC funct ion. W hen t he HDC swi tch i s pres s ed and rel eas edagai n, the ABS modul e dis ables operat ion of t he HDC funct ion.
To prevent mis -use of, or in the event of a broken HDC s wi tch, if t he s wit ch is press ed for more t han 10 s econds nochange of s tat e occurs. A DTC i s s tored in t he ABS module memory if t he input from the HDC swi tch i s held hi gh for moret han 1 mi nut e.
HDC Activating Stoplamps
Operat ion of t he vehi cl e s toplamps during HDC is controll ed by the CJB. The ABS module monit ors t he brake s yst emhydraulic press ure and request s t he CJB, vi a t he high s peed CAN bus, t o energi ze the s t opl amps duri ng act ive braki ng.
A press ure thres hold and ti me fil ter prevents t he s topl amps from fli ckeri ng whil e HDC i s braking.
Stop/St art Vehicl es - From 2010 MY
Acti vat ion of Hi ll Descent Cont rol wi ll deact ivate the St op/St art s yst em. However, if Hi ll Des cent Control i s acti vat ed whent he engi ne is s hutdown in a St op/St art cycl e t he engi ne wil l aut omati cal ly rest art . If during t his event the St op/St arts ys t em cannot det ect t he dri ver's occupancy, for exampl e eit her t he driver’s safety belt or door is unl at ched, t he engi newil l not res tart. The St op/Start sys tem wi ll request the driver to depres s t he clut ch to res tart the engine. The dri ver wi ll beinformed of t his by ‘RESTART REQUIRED PRESS CLUTCH’ being di spl ayed i n t he mes sage center.
The dri ver mus t respond t o t hi s reques t wit hin a li mit ed t ime period, or otherwi s e a convent ional engine res tart us i ng theignit ion swi tch will be requi red.For addit ional informat ion, refer t o: Starti ng Sys t em (303-06C Starti ng Syst em - TD4 2.2L Di es el, Vehicles Bui lt From:01-03-2009, Descripti on and Operat ion).
WHEEL SPEED SENSORS

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