2006 LAND ROVER FRELANDER 2 Repair Manual

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Page 1609 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Fuel Tank and Lines - TD4 2.2L Diesel - Fuel Pump and Sender Unit
Removal and Inst all ati on
Removal
• NOTE: Removal s t eps in t his procedure may cont ain i nst all a

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LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Acceleration Control - Accelerator Pedal
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. T orque:

Page 1611 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Speed Control - I6 3.2L Petrol -
Torque SpecificationsDescriptionNmlb-ft
Accel erator pedal as s embly nut s107
Speed cont rol s wit ch Torx bolt s32

Page 1612 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Speed Control - I6 3.2L Petrol - Speed Control
Des cript ion and Operat ion
COMPONENT LOCATION
ItemPart NumberDescription1-Ins t rument clus ter
2-Clockspring
3-Speed cont ro

Page 1613 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual A CANCEL s wit ch.
The s ys t em al so uses t he fol lowi ng:
The ECMThe s toplamp s wit ch.The APP s ens or
The ECM controls t he s et speed by modi fying engine speed/t orque and reques ti ng gear

A CANCEL s wit ch.
The s ys t em al so uses t he fol lowi ng:
The ECMThe s toplamp s wit ch.The APP s ens or
The ECM controls t he s et speed by modi fying engine speed/t orque and reques ti ng gear changes from t he transmis si on(aut omati c variant s only).
The s peed control sys t em als o us es i nput s from t he brake pedal swit ch, t he APP s ens or, t he ECM and t he ABS controlmodule.
The s peed control is operat ed by t he dri ver us ing only the s t eering wheel s wit ches . W hen s peed is act ive, the ECMregulat es the PW M s i gnal s to the fuel injectors t o adjus t the fuel supply as required to maintai n t he s et s peed.
Duri ng s peed control operat ion, t he ECM control s vehicle s peed by adjus ti ng fuel inject ion durat ion and ti ming. W hen t heaccelerator pedal i s pres s ed wit h s peed cont rol act ive, t he ECM output s a calculated throt tl e angle s i gnal in place of theact ual throt t le angle si gnal s produced by the APP s ens or. The cal cul ated t hrot tl e angle i s deri ved from fuel demand.
CONTROL SWITCHES
ItemPart NumberDescription1-Set target s peed/increas e s peed
2-Set target s peed/decreas e s peed
3-Resume set s peed4-Speed control sus pend.
The s peed control swit ches are located on t he LH s i de of the s t eering wheel. The s witches are connect ed via fly leadsdirect ly t o t he clock s pring. All t he s peed cont rol s wit ches are non-lat chi ng momentary rocker swit ches . The mini mum s ets peed is 18 mph (30 (km/h). Speed cont rol is aut omati cal ly s us pended i f the vehicle speed falls bel ow 15 mph (24 km/h).
The s peed control swit ches are res is t ive l adder type s wi tches. There are t hree rocker s wit ches as s oci at ed wi th speedcont rol , two of whi ch are for adapt ive s peed cont rol (where s peci fi ed). The s wit ches vary the resi s tance of a s ignal vol tages ent t o t he ECM. The s wit ches recei ve a 5 volt reference s upply. The ECM meas ures t he ret urned volt age to det ermi newhich s wi tch has been pres s ed.
Suspend Switch
The s uspend/resume swit ch controls t he s electi on of speed control. W hen t he i gni ti on is i n pos it ion II, a si ngle pres s oft he sus pend s wit ch wil l act ivate the s us pend mode. This temporaril y s wit ches off the s peed cont rol s yst em, but ret ai nst he previousl y s et s peed i n t he ECM memory.
Resume Switch
A s econd pres s of the s wi tch re-acti vat es the previousl y s et speed after t he s peed control has been s us pended by pres s ingt he sus pend s wit ch or by depres s ing the brake pedal.
Set Speed/Increase/Decrease Speed (+/–) Switches
W hen t he s peed cont rol s ys t em i s act ive, pres s ing t he '+' s wi tch s ets the controlled speed t o t he current road speed oft he vehi cl e. Subs equent moment ary pres s es of the s wi tch i ncreas es t he s et road s peed by 0.6 mph (1 km/h). If t he s wit chis pres sed and hel d the road s peed wil l conti nue to increas e unti l the s wi tch i s releas ed. Moment ari ly press i ng the '–'s wit ch, decreas es the s et s peed by 0.6 mph (1 km/h). If t he s wit ch is press ed and held, t he s et speed i s decreas ed unt ilt he swit ch is released.
CONTROL DIAGRAM
• NOTE: A = Hardwi red; D = Hi gh s peed CAN bus

Page 1614 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual ItemPart NumberDescription
1-APP2-Speed cont rol s teeri ng wheel s wi tches
3-Clockspring
4-TCM5-Ins t rument clus ter
6-Electric t hrot tl e
7-ECM8-Speed cont rol inhibi t swi tch
9-Stoplamp s wit

Page 1615 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Speed Control - I6 3.2L Petrol - Speed Control
Diagnosi s and Tes ti ng
Principles of Operation
For a detail ed descripti on of the speed cont rol s ys tem, refer to the rel

Publi s hed: 11-May-2011
Speed Control - I6 3.2L Petrol - Speed Control
Diagnosi s and Tes ti ng
Principles of Operation
For a detail ed descripti on of the speed cont rol s ys tem, refer to the relevant Des cripti on and Operati on s ect ion i n t heworks hop manual .REFER to: Speed Cont rol - 3.2L (310-03, Des cript ion and Operat ion) /Speed Cont rol - 2.2L Dies el (310-03B Speed Cont rol - TD4 2.2L Dies el, Des cript ion and Operat ion).
Inspection and Verification
CAUTION: Di agnos is by s ubs ti tut ion from a donor vehicle is NO T acceptabl e. Subs ti tut ion of cont rol modules doesnot guarant ee confirmat ion of a faul t, and may als o caus e addit ional fault s i n t he vehi cl e being t est ed and/or t he donorvehi cl e.
1. Verify t he cus t omer concern.1.
2. Vis ually ins pect for obvious s igns of mechani cal or electrical damage.2.
Visual Inspection
MechanicalElectrical
Speed cont rol inhibi t s wit chSt op lamp swi tchSt eering wheel rot ati on sens or
Fus esW iring harnes sEl ect ri cal connect or(s )St eeri ng wheel s wi tchesBrake s wit chSpeed control i nhibit s wi tchTransmis s ion Control Modul e (TCM)Engi ne Cont rol Module (ECM)
3. If an obvious cause for an obs erved or report ed concern is found, correct t he caus e (if pos s ible) beforeproceeding t o t he next s t ep.3.
4. If t he caus e is not vis ually evi dent , verify t he sympt om and refer t o t he Sympt om Chart, al ternat ively check forDi agnos ti c Trouble Codes (DTCs) and refer t o t he rel evant DTC Index.4.
Symptom Chart
SymptomPossible CauseAction
Speed cont rol inhibi ted ordis abledSt eering wheel s peedcontrol swi tch(s )St eering wheel s peedcontrol swi tch circui tThrot t le s ensorsBrake swit ch
Refer to el ect ri cal circui t diagrams and checkst eering wheel s peed cont rol s wit ches and circui tsCheck ECM for throt t le relat ed DTCs and refer t o t heDT Index.REFER t o: Electroni c Engi ne Control s (303-14AEl ect ronic Engi ne Cont rol s - I6 3.2L Pet rol, Di agnos isand Tes t ing) /El ect ronic Engi ne Cont rol s (303-14B El ect roni c Engi neCont rols - TD4 2.2L Di esel , Diagnos i s and Tes t ing).Refer to the el ect ri cal circuit di agrams and checkbrake s wit ches and circui ts
Unable t o regul ate/adjustvehicle s peedSt eering wheel s wit chmal functi onRefer to el ect ri cal circui t diagrams and checkst eering wheel s peed cont rol s wit ch and ci rcuit s
Unable t o cancel s peedcont rol from s teeri ng wheelSt eering wheel s wit chmal functi onRefer to el ect ri cal circui t diagrams and checkst eering wheel s peed cont rol s wit ch and ci rcuit s
Unable t o cancel s peedcont rol from brake pedalBrake swit chmal functi onRefer to the el ect ri cal circuit di agrams and checkbrake s wit ches and circui ts
DTC Index
• NOTE: If a module or component i s s uspect, and t he vehi cl e remains under t he Manufacturers warranty, refer to theW arranty Pol icy and Procedure manual (s ecti on B1.2), or det ermi ne if any pri or approval programme i s in operat ion, pri or tot he ins tal lati on of a new modul e/component.
• NOTE: Generic scan t ool s may not read the codes li st ed, or may read only fi ve digit codes . Mat ch the five di git s from t hes can tool to the firs t fi ve di git s of the seven digi t code l is ted to ident ify t he faul t (t he las t t wo digi ts gi ve ext rainformat ion read by the manufact urer-approved diagnost ic s ys tem).
• NOTE: W hen performing volt age or res is t ance t est s , always use a digi tal mult imeter (DMM) accurat e t o t hree deci malplaces and wit h a current cal ibrat ion cert ificate. W hen tes ti ng res i st ance, always take the res is tance of the DMM l eads i ntoaccount.
• NOTE: Check and recti fy bas ic faul ts before beginni ng diagnos t ic rout ines i nvol vi ng pinpoint t es t s.
• NOTE: If DTCs are recorded and, aft er performi ng the pi npoi nt tes ts , a fault is not present , an int ermi tt ent concern maybe t he caus e. Always check for loose connect ions and corroded terminals .

Page 1616 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual DT CDescriptionPossible CauseAction
B10AC86Cruis e Control Swi tch -Si gnal invali dSignal inval idCarry out the pi npoi nt t es ts as s oci ated t othi s DTC us ing t he manufacturer approveddiagn

DT CDescriptionPossible CauseAction
B10AC86Cruis e Control Swi tch -Si gnal invali dSignal inval idCarry out the pi npoi nt t es ts as s oci ated t othi s DTC us ing t he manufacturer approveddiagnos t ic s ys tem
B10AC87Cruis e Control Swi tch -Mi s si ng mes s ageMis s ing mess ageCarry out the pi npoi nt t es ts as s oci ated t othi s DTC us ing t he manufacturer approveddiagnos t ic s ys temB10AC95Cruis e Control Swi tch -W rong as s emblyMis -match bet ween CarConfigurat ion Fi le and vehicleCheck/up-dat e Car Confi gurati on Fi le us i ngthe manufact urer approved diagnos t ics ys t em
C004064Brake Pedal Swit ch “A” -Si gnal plaus ibil it y fai lureBrake pedal swi tch circui t -s hort t o ground, short to power,open ci rcuitBrake pedal swi tch fail ure
Carry out pi npoi nt tes ts ass ociated wit h t hi sDTC us ing t he manufacturer approveddiagnos t ic s ys tem. Inst all a new brakes wit ch as required.REFER to: Speed Cont rol Deacti vat or Swi tch(310-03B Speed Control - TD4 2.2L Di esel ,Removal and Inst all at ion).
P012023Accel erat or pedal pos i ti ons ens or A ci rcuit - s i gnals t uck l ow
Accelerator pedal pos it ion (APP)s ens or A circui t: short ci rcuit t ogroundAccelerator pedal pos it ion (APP)s ens or fai lure
Check t he APP s ensor and circui ts . Refer t othe el ect ri cal guides . Ins t al l a new s ensor asrequired.
P012024Accel erat or pedal pos i ti ons ens or A ci rcuit - s i gnals t uck hi gh
Accelerator pedal pos it ion (APP)s ens or A circui t: short ci rcuit t opowerAccelerator pedal pos it ion (APP)s ens or A circui t: open circui tAccelerator pedal pos it ion (APP)s ens or power supply ci rcuit :open ci rcuitAccelerator pedal pos it ion (APP)s ens or ground circui t: opencircuitAccelerator pedal pos it ion (APP)s ens or fai lure
Check t he APP s ensor and circui ts . Refer t othe el ect ri cal guides . Ins t al l a new s ensor asrequired.
P012038Accel erat or pedal pos i ti ons ens or A ci rcuit - s i gnalfrequency i ncorrect
Accelerator pedal pos it ion (APP)s ens or A circui t: looseconnecti onAccelerator pedal pos it ion (APP)s ens or A circui t: interferenceAccelerator pedal pos it ion (APP)s ens or fai lure
Check t he APP s ensor and circui ts . Refer t othe el ect ri cal guides . Ins t al l a new s ensor asrequired.
P012100Throt t le/Pedal Pos it ionSens or A Circui tRange/Performance
Analogue accelerat or pedal ADCerrorCarry out the pi npoi nt t es ts as s oci ated wi ththi s DTC us ing t he manufacturer approveddiagnos t ic s ys temP012200Throt t le/Pedal Pos it ionSens or A Circui t LowAnalogue accelerat or pedal dutycycle bel ow l ower l imitCarry out the pi npoi nt t es ts as s oci ated wi ththi s DTC us ing t he manufacturer approveddiagnos t ic s ys tem
P012300Throt t le/Pedal Pos it ionSens or A Circui t HighAnalogue accelerat or pedal dutycycle above upper li mitCarry out the pi npoi nt t es ts as s oci ated wi ththi s DTC us ing t he manufacturer approveddiagnos t ic s ys tem
P012400Throt t le/Pedal Pos it ionSens or A Int ermi tt entAnalogue accelerat or pedals ignal - noi sy, dis t urbanceCarry out CAN network int egrit y t est s us ingthe manufact urer approved diagnos t ics ys t emP022000Accel erat or pedal pos i ti ons wi tch B ci rcuitAccelerator pedal pos it ion (APP)s ens or B circui t: short ci rcuit t ogroundAccelerator pedal pos it ion (APP)s ens or B circui t: open circui tAccelerator pedal pos it ion (APP)s ens or B circui t: short ci rcuit t opowerAccelerator pedal pos it ion (APP)s ens or fai lure
Check t he APP s ensor and circui ts . Refer t othe el ect ri cal guides . Carry out a compl etevehi cl e read for APP s ens or DTCs . Rect ify asneces s ary.
P022023Accel erat or pedal pos i ti ons ens or B ci rcuit - s i gnals t uck l ow
Accelerator pedal pos it ion (APP)s ens or B circui t: short ci rcuit t ogroundAccelerator pedal pos it ion (APP)s ens or B circui t: open circui tAccelerator pedal pos it ion (APP)s ens or fai lure
Check t he APP s ensor and circui ts . Refer t othe el ect ri cal guides . Carry out a compl etevehi cl e read for APP s ens or DTCs . Rect ify asneces s ary.
P022024Accel erat or pedal pos i ti ons ens or B ci rcuit - s i gnals t uck hi gh
Accelerator pedal pos it ion (APP)s ens or B circui t: short ci rcuit t opowerAccelerator pedal pos it ion (APP)s ens or fai lure
Check t he APP s ensor and circui ts . Refer t othe el ect ri cal guides . Carry out a compl etevehi cl e read for APP s ens or DTCs . Rect ify asneces s ary.

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