2006 LAND ROVER FRELANDER 2 clock

Publi s hed: 11-May-2011
Accessory Drive - TD4 2.2L Diesel - Accessory Drive Belt
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 ARNING: Make sure t o s upport the vehicle wit h axles tands .
Rais e and s upport t he vehi cl e.
1.
Remove t he cover and dis connect the bat tery ground cabl e.
Refer t o: Specificati ons (414-00 Bat tery and Charging Sys tem -General Informat ion, Specificati ons).
2.
Remove t he RH front wheel and t ire.
Refer t o: W heel and Ti re (204-04 W heel s and Tires, Removal andInst all at ion).
3.
4.
Rotat e t he acces sory dri ve belt t ens ioner clockwi s e.5.

12-Res trai nts Cont rol Module (RCM)
13-Knock sens ors (2 off)
14-Fuel rail t emperature/pres s ure s ens or15-Clockspring
16-Terrain respons e cont rol module
17-Trans mis s ion Cont rol Module (TCM)18-ABS module
19-Diagnos ti c socket
20-CJB
ENGINE CONTROL MODULE (ECM)
The ECM i s located on a bracket i n a central pos i ti on on the engi ne compartment firewal l. The ECM is at tached to ahous i ng and s ecured wit h 4 s crews . The hous i ng is l ocat ed in the bracket and locked in pos it ion.
The ECM i s s uppl ied wi th bat tery volt age from fuses l ocat ed in the BJB. A permanent batt ery s upply i s provided t o ens ureadapt ive dat a is not l ost when the engine i s s wit ched off.
A regul ator, locat ed wi thin the ECM, s upplies a 5V current t o i nt ernal components such as t he mi cro-proces s or unit . Ot hercomponents or funct ions requi ri ng ful l bat tery vol tage are cont rol led by ext ernal relays or int ernal power s t ages .
The mi cro-proces sor wi thi n the ECM receives s ignals from different component s and cont rol modules and us es a programwit hin the ECM software t o int erpret t he s ignal informat ion and i ss ue s ignals whi ch rel at e t o how the engine component sand functi ons should be cont rol led.
The ECM recei ves i nput s from the foll owing:
CMP s ensorsCKP s ensorFuel rail pres s ure s ensorMAF s ensorKnock s ens orsFuel rail t emperature/pres s ure s ensorECT s ens orEngi ne oil l evel/t emperature s ens orManifol d Abs olute Pres sure (MAP) sens orElectric t hrot tl e - Throt tl e Posi ti on (TP) s ens orAPP s ens orFuel t ank leakage monit oring modul e (NAS onl y)Cooling fan controlHeated Oxygen s ens ors (HO2S)Stop lamp s wi tch (via Central Juncti on Box (CJB))Speed cont rol inhibi t swi tchInt ake Air Temperat ure (IAT) s ens orAmbient Air Temperat ure (AAT) s ens orTrans mis s ion Cont rol Modul e (TCM).
The ECM s ends out puts to t he followi ng:
Main relayAir Condit ioning (A/C) relayFuel i njectorsIgni ti on coi lsEngi ne cool ing fan cont rolElectric t hrot tl eElectric fuel pump driver moduleVari abl e Cams haft Timing (VCT) s olenoidsStarter rel ay cont rolVari abl e int ake manifol d control valvesVari abl e inl et cam profile swit ching sol enoi d val vesTrans mis s ion Cont rol Modul e (TCM).
SENSORS
The ECM opt imi zes engine performance by interpreti ng s ignals from numerous vehicle sens ors and ot her i nput s. Some oft hes e s ignals are produced by t he act ions of t he dri ver, some are s uppli ed by s ens ors locat ed on and around t he engine

ItemPart NumberDescription
1-Input s haft
2-Main press ure supply port3-Pis ton
4-Cyl inder – External plat e carrier
5-Clutch pl ate as s embly6-Baffl e plat e
7-Diaphragm spring
8-Output s haft9-Bearing
10-Dynami c pres s ure equalis at ion chamber
11-Pis ton chamber12-Lubricati on channel
There are t hree dri ve clutches and t wo brake clut ches (B2 i s a mul ti pl ate brake clutch & B1 i s a doubl e wrap brake band)us ed in t he AW F21 t ransmis s ion. Each clut ch compris es one or more frict ion plat es dependent on the out put cont roll ed. At ypi cal clutch cons is ts of a number of s teel outer plat es and inner plates wit h frict ion mat eri al bonded to each face.
Clutch / BrakeOperation
C1 Cl utchConnect s t he front pl anet ary carrier t o t he rear planetary rear s un gearC2 Cl utchConnect s t he int ermediat e s haft t o t he rear planetary carri er
C3 Cl utchConnect s t he front pl anet ary carrier t o t he rear planetary mi ddl e s un gear
B1 BrakeLocks the rear pl anet ary middle s un gearB2 BrakeLocks the rear pl anet ary carrier
The clutch pl ates are held apart mechanically by a diaphragm spring and hydrauli cal ly by dynamic press ure. The press ure isderi ved from a l ubricati on channel which s uppl ies fluid to the beari ngs etc. The fl uid i s pass ed vi a a drill ing i n t he outputs haft int o t he chamber between t he baffle pl ate and the pi st on. To prevent i nadvert ent cl utch appli cat ion due t o pres s urebuild up produced by cent ri fugal force, the flui d in the dynamic pres sure equal ization chamber overcomes any pres sure i nt he pis ton chamber and hol ds the pi s ton off the cl ut ch plat e as sembl y.
W hen clut ch appl icati on is required, mai n pres s ure from the fl ui d pump i s applied to t he pis t on chamber from the supplyport . Thi s mai n pres s ure overcomes t he low press ure fl uid present in the dynamic pres sure equal izati on chamber. Thepis t on moves , agains t the press ure appl ied by t he diaphragm s pring, and compres ses the clut ch plate ass embly. W hen themain pres sure fal ls , t he diaphragm s pring pus hes t he pis t on away from the clut ch plate ass embly, dis engagi ng t he cl utch.
One-Way Clutch
One-W ay cl utch - Typical
ItemPart NumberDescription
1-Roller2-Cage
3-Spring
4-Inner raceThe rol ler clutch us ed on t he one-way clut ch uses parallel rol lers, l ocat ed between t he s mooth, cyl indri cal i nner race andt he inclined cam faces of the clut ch body. Spri ngs are us ed t o hold t he rol lers in pos it ion bet ween t he two cont act faces .
W hen t he clut ch is rotat ed in a clockwi se direct ion, the roll ers become t rapped bet ween t he inner race and t he incli nedcam faces of t he clutch body, providing pos it ive (locked) rotat ion of t he inner race, locki ng the counter-clockwis e rot ati onof the rear planet ary carri er. W hen t he clut ch is rotat ed in a cl ockwi se direct ion, the roll ers are moved away from t heincli ned cam faces and can rot ate freel y (unl ocked) wit h t he cl utch body, provi ding no drive from the cl ut ch t o t he rearplanetary carri er. In t hi s condi ti on the cl utch can rot ate freel y on t he inner race.
PLANETARY GEAR TRAIN

rat ios are as fol lows :
Gear1st2nd3rd4th5th6thReverse
Ratio4.1482.3701.5561.1550.8590.6863.394
POWER FLOWS
Operat ion of t he transmis si on is cont roll ed by t he TCM which el ect ri cal ly acti vat es vari ous s olenoids t o control thet ransmis s ion gear sel ect ion. The s equence of sol enoi d act ivat ion i s bas ed on programmed informati on in the TCM memoryand phys i cal t ransmis s ion operat ing condi ti ons such as vehicle speed, throt t le pos ition, engi ne load and s elector l everposi ti on.
ItemPart NumberDescription
1-Clut ch - C22-Brake - B2
3-One-way clut ch - F1
4-Brake - B15-Clut ch - C1
6-Clut ch - C3
Power Flow - 1st Gear Engine Braking
Solenoid Operation
T ransmission Selector Lever PositionSolenoidSLC 1SLC 2SLC 3SLB 1S1S2
DEngine Brake-XXXXX
X = Operat ing
C lutch and Brake Operation
T ransmission Selector Lever PositionClutchBrakeO ne-Way clutch
C1C2C3B1B2F1DEngi ne BrakeX---XX
X = Operat ing
W hen t he engine brake i s acti ve, driving force i s transmit ted t o t he t ransmis s ion from the road wheels , via t he powert ransfer uni t. The rear pl anet ary carrier i s locked from clockwis e rotat ion by t he one-way clut ch (F1) and brake (B2). Thisres ult s i n torque from t he wheels being trans mi tt ed direct ly to the engine, providing engi ne braking.
Power Flow - 1st Gear
Solenoid Operation
T ransmission Selector Lever PositionSolenoidSLC 1SLC 2SLC 3SLB 1S1S2
D1s t Gear-XXX--
X = Operat ing

C lutch and Brake Operation
T ransmission Selector Lever PositionClutchBrakeO ne-Way clutchC1C2C3B1B2F1
D1s t GearX----X
X = Operat ing
The planetary gear t rai ns are i n t he fol lowing condit ions :
Front planetary gear t rai n- Input : Ring gear- Locked: Sun gear- Out put : Carrier
Rear pl anet ary gear t rain- Input : Rear s un gear- Locked: Carrier- Out put : Ring gear
Front Planetary Gear Train
The input s haft rot ates i n a cl ockwis e di recti on, driven by t he torque convert er. The planetary ri ng gear rotat es in aclockwi s e direct ion al ong wit h t he planet ary pi nion gear which als o rotat es clockwi se on it s axis and orbit . The pl anet arys un gear i s locked by t he fl ui d pump whi ch caus es it t o press agains t t he planetary ri ng gear and orbit t he s un gear,rot ati ng on it s axis .
The front planet ary carri er rotat es cl ockwi se in t he s ame di recti on as the pl anet ary pi nion gear. The clut ch (C1) i s act ivatedand locks the pl anet ary carrier t o t he rear planetary s un gear.
Rear Pl anet ary Gear Trai n
The planetary s un gear rotat es in a cl ockwi se direct ion. The pl anet ary short pi nion gear rot at es i n a count er-clockwi sedirect ion. The planetary carri er at t empt s t o rotat e in the s ame di recti on but is rest rai ned by the one-way clutch (F1).
The long pi ni on gear rotat es clockwi s e on it s axis and the middle s un gear rot ates count er-clockwi se whil e idl ing. The ri nggear i s rot ated by the l ong pinion gear and dri ves the counter dri ve gear i n a clockwis e di recti on.
The count er driven gear is driven in a count er-cl ockwi se direct ion which i n t urn drives t he different ial ri ng gear i n aclockwi s e direct ion.
Power Flow - 2nd G ear
Solenoid OperationT ransmission Selector Lever PositionSolenoid
SLC 1SLC 2SLC 3SLB 1S1S2
D2nd Gear-XX---X = Operat ing
C lutch and Brake Operation
T ransmission Selector Lever PositionClutchBrakeO ne-Way clutchC1C2C3B1B2F1
D2nd GearX--X--
X = Operat ing
The planetary gear t rai ns are i n t he fol lowing condit ions :
Front planetary gear t rai n- Input : Ring gear- Locked: Sun gear- Out put : Carrier
Rear pl anet ary gear t rain- Input : Rear s un gear- Locked: Middle sun gear- Out put : Ring gear
Front Planetary Gear Train
The input s haft rot ates i n a cl ockwis e di recti on, driven by t he torque convert er. The planetary ri ng gear rotat es in aclockwi s e direct ion al ong wit h t he planet ary pi nion gear which als o rotat es clockwi se on it s axis and orbit . The pl anet arys un gear i s locked by t he fl ui d pump whi ch caus es it t o press agains t t he planetary ri ng gear and orbit t he s un gear,rot ati ng on it s axis .
The front planet ary carri er rotat es cl ockwi se in t he s ame di recti on as the pl anet ary pi nion gear. The clut ch (C1) i s act ivatedand locks the pl anet ary carrier t o t he rear planetary s un gear.
Rear Pl anet ary Gear Trai n
The planetary s un gear and t he carrier rot ate i n a cl ockwis e di recti on. The middle sun gear is locked by t he brake (B1). Thes hort pinion gears rot ate counter-clockwis e on i ts axi s and orbit s i n a clockwis e direct ion. The l ong pi nion gears rotat esclockwi s e on it s axis and it s orbit .
The ri ng gear is rotat ed in a cl ockwi se direct ion by t he long pi ni on gear. The ring gear and the counter dri ve gear bot hrot ate in a cl ockwi se di recti on.
The count er driven gear is driven in a count er-cl ockwi se direct ion which i n t urn drives t he different ial ri ng gear i n aclockwi s e direct ion.

• NOTE: Engine braking is avail abl e when t hi s gear is s elected.
Power Flow - 3rd Gear
Solenoid Operation
T ransmission Selector Lever PositionSolenoid
SLC 1SLC 2SLC 3SLB 1S1S2D3rd Gear-X-X--
X = Operat ing
C lutch and Brake OperationT ransmission Selector Lever PositionClutchBrakeO ne-Way clutch
C1C2C3B1B2F1
D3rd GearX--X--X = Operat ing
The planetary gear t rai ns are i n t he fol lowing condit ions :
Front planetary gear t rai n- Input : Ring gear- Locked: Sun gear- Out put : Carrier
Rear pl anet ary gear t rain- Input : Middle sun gear- Locked: -- Out put : Ring gear
Front Planetary Gear Train
The input s haft rot ates i n a cl ockwis e di recti on, driven by t he torque convert er. The planetary ri ng gear rotat es in aclockwi s e direct ion al ong wit h t he planet ary pi nion gear which als o rotat es clockwi se on it s axis and orbit . The pl anet arys un gear i s locked by t he fl ui d pump whi ch caus es it t o press agains t t he planetary ri ng gear and orbit t he s un gear,rot ati ng on it s axis .
The front planet ary carri er rotat es cl ockwi se in t he s ame di recti on as the pl anet ary pi nion gear. The clut ch (C1) i s act ivatedand locks the pl anet ary carrier t o t he rear planetary s un gear. Clut ch (C3) i s als o acti vat ed and locks the carri er t o t hemi ddl e s un gear.
Rear Pl anet ary Gear Trai n
The planetary s hort pinion gear and t he long pini on gear are engaged whi ch caus es both pi nion gears t o l ock due t o t hedifferent rotat ional di recti ons . Torque from the sun gear and mi ddl e s un gear is t rans mit t ed to the pl anet ary ring gearwhich rotat es cl ockwi se in t he s ame di recti on as the pl anet ary carrier.
The count er drive gear rot ates i n a clockwis e di recti on wit h t he ri ng gear.
The count er driven gear is rotat ed in a count er-cl ockwis e di recti on which i n t urn drives the di fferenti al ri ng gear i n aclockwi s e direct ion.
• NOTE: Engine braking is avail abl e when t hi s gear is s elected.
Power Flow - 4th Gear
Solenoid OperationT ransmission Selector Lever PositionSolenoid
SLC 1SLC 2SLC 3SLB 1S1S2
D4t h Gear--XX--X = Operat ing
C lutch and Brake Operation
T ransmission Selector Lever PositionClutchBrakeO ne-Way clutchC1C2C3B1B2F1
D4t h GearXX----
X = Operat ing
The planetary gear t rai ns are i n t he fol lowing condit ions :
Front planetary gear t rai n- Input : Ring gear- Locked: Sun gear- Out put : Carrier
Rear pl anet ary gear t rain- Input : Rear s un gear, Carrier- Locked: -- Out put : Ring gear
Front Planetary Gear Train
The input s haft rot ates i n a cl ockwis e di recti on, driven by t he torque convert er. The planetary ri ng gear rotat es in aclockwi s e direct ion al ong wit h t he planet ary pi nion gear which als o rotat es clockwi se on it s axis and orbit . The pl anet arys un gear i s locked by t he fl ui d pump whi ch caus es it t o press agains t t he planetary ri ng gear and orbit t he s un gear,rot ati ng on it s axis .

The front planet ary carri er rotat es cl ockwi se in t he s ame di recti on as the pl anet ary pi nion gear. The clut ch (C1) i s act ivatedand locks the pl anet ary carrier t o t he rear planetary s un gear. The int ermediat e s haft rotat es in t he s ame di recti on as theinput s haft. Cl utch (C2) is al so act ivated rotat es in the s ame di recti on as t he int ermediat e s haft .
Rear Pl anet ary Gear Trai n
The planetary carri er rot at es in a clockwis e direct ion wit h the intermediat e s haft. The s hort pi ni on gear rotat es clockwi s eon i ts axis and orbit s at a fast er s peed t han t he sun gear. The long pini on gear rotat es counter-clockwis e on i ts axi s andorbi t. The rot ati on of the ri ng gear i s in a clockwi s e direct ion and i s s lower than t he rotat ion of t he carri er due t o t he l ongpinion gear's rotat ion i s count eract ed by t he planetary carri er.
The count er drive gear rot ates i n a clockwis e di recti on wit h t he ri ng gear.
The count er driven gear is rotat ed in a count er-cl ockwis e di recti on which i n t urn drives the di fferenti al ri ng gear i n aclockwi s e direct ion.
• NOTE: Engine braking is avail abl e when t hi s gear is s elected.
Power Flow - 5th Gear
Solenoid Operation
T ransmission Selector Lever PositionSolenoid
SLC 1SLC 2SLC 3SLB 1S1S2D5t h GearX--X--
X = Operat ing
C lutch and Brake Operation
T ransmission Selector Lever PositionClutchBrakeO ne-Way clutchC1C2C3B1B2F1
D5t h Gear-XX---
X = Operat ing
The planetary gear t rai ns are i n t he fol lowing condit ions :
Front planetary gear t rai n- Input : Ring gear- Locked: Sun gear- Out put : Carrier
Rear pl anet ary gear t rain- Input : Middle sun gear- Locked: -- Out put : Ring gear
Front Planetary Gear Train
The input s haft rot ates i n a cl ockwis e di recti on, driven by t he torque convert er. The planetary ri ng gear rotat es in aclockwi s e direct ion al ong wit h t he planet ary pi nion gear which als o rotat es clockwi se on it s axis and orbit . The pl anet arys un gear i s locked by t he fl ui d pump whi ch caus es it t o press agains t t he planetary ri ng gear and orbit t he s un gear,rot ati ng on it s axis .
The front planet ary carri er rotat es cl ockwi se in t he s ame di recti on as the pl anet ary pi nion gear. The clut ch (C3) i s act ivatedand locks the pl anet ary carrier t o t he rear planetary mi ddl e s un gear. The int ermediat e s haft rotat es in t he s ame di recti onas t he input s haft. Cl ut ch (C2) i s als o act ivated and rotat es in t he s ame di recti on as the intermediat e s haft.
Rear Pl anet ary Gear Trai n
The mi ddl e s un gear rotat es clockwi se in the s ame di recti on as clutch (C3). The decelerat ion of t he front pl anet ary gears lows t he s peed of t he i nput s haft . The int ermediat e s haft rot ates clockwis e i n t he s ame direct ion as t he i nput s haft . Theplanetary carri er al s o rot ates clockwis e i n t he s ame direct ion as t he i nt ermedi ate shaft .
The long pi ni on gear rotat es clockwi s e on it s axis and orbit . The carri er rotat es fas t er t han t he middle s un gear whi chcaus es t he mi ddl e pinion gear t o be cancell ed out by the speed difference. The mi ddle pini on gear orbi ts and rot at es on i tsaxis i n a clockwis e direct ion.
The planetary ri ng gear rotat es in a clockwi s e direct ion. The s peed of t he ri ng gear is fast er than t he planetary carri erbecaus e t he long pini on gear's rotat ion i s combined wi th t he planet ary carrier's s peed. The count er drive gear rot ates i n aclockwi s e direct ion wi th the ring gear.
The count er driven gear is rotat ed in a count er-cl ockwis e di recti on which i n t urn drives the di fferenti al ri ng gear i n aclockwi s e direct ion.
• NOTE: Engine braking is avail abl e when t hi s gear is s elected.
Power Flow - 6th Gear
Solenoid OperationT ransmission Selector Lever PositionSolenoid
SLC 1SLC 2SLC 3SLB 1S1S2
D6t h GearX-X---X = Operat ing
C lutch and Brake Operation
T ransmission Selector Lever PositionClutchBrakeO ne-Way clutchC1C2C3B1B2F1

T ransmission Selector Lever PositionClutchBrakeO ne-Way clutch
C1C2C3B1B2F1
D6t h Gear-X-X--X = Operat ing
The planetary gear t rai ns are i n t he fol lowing condit ions :
Front planetary gear t rai n- Input : -- Locked: -- Out put : -
Rear pl anet ary gear t rain- Input : Carrier- Locked: Middle sun gear- Out put : Ring gear
Front Planetary Gear Train
The input s haft rot ates i n a cl ockwis e di recti on, driven by t he torque convert er. The int ermedi at e s haft rotat es cl ockwi se int he same direct ion as t he t orque convert er. Cl utch (C2) locks t he i nt ermedi ate s haft t o t he rear pl anet ary carrier.
Rear Pl anet ary Gear Trai n
The planetary carri er rot at es clockwi s e in the s ame di recti on as t he int ermediat e s haft . The pl anet ary long pinion gearrot ates clockwis e on i ts axi s and orbi t. The rot ati onal s peed of the middle sun gear increas es wit h i nput s haft s peedbecaus e it is l ocked.
The planetary ri ng gear rotat es in a clockwi s e direct ion. The s peed of t he ri ng gear is fast er than t he planetary carri erbecaus e t he long pini on gear's rotat ion i s combined wi th t he planet ary carrier's s peed. The count er drive gear rot ates i n aclockwi s e direct ion wi th the ring gear.
The count er driven gear is rotat ed in a count er-cl ockwis e di recti on which i n t urn drives the di fferenti al ri ng gear i n aclockwi s e direct ion.
• NOTE: Engine braking is avail abl e when t hi s gear is s elected.
Power Flow - Reverse Gear
Solenoid OperationT ransmission Selector Lever PositionSolenoid
SLC 1SLC 2SLC 3SLB 1S1S2
RRevers e Gear - Less than 11 volt sXX-X--RRevers e Gear - More than 11 vol tsXXXX--
X = Operat ing
C lutch and Brake Operation
T ransmission Selector Lever PositionClutchBrakeO ne-Way clutchC1C2C3B1B2F1
RReverse Gear - Les s t han 11 vol ts-X-X--
RReverse Gear - More t han 11 volt s----X-X = Operat ing
The planetary gear t rai ns are i n t he fol lowing condit ions :
Front planetary gear t rai n- Input : Ring gear- Locked: Sun gear- Out put : Carrier
Rear pl anet ary gear t rain- Input : Middle sun gear- Locked: Carrier- Out put : Ring gear
Front Planetary Gear Train
The input s haft rot ates i n a cl ockwis e di recti on, driven by t he torque convert er. The planetary ri ng gear rotat es clockwi s ewit h t he i nput s haft .
The pinion gear rot ates cl ockwis e on it s axi s and orbi t. The pl anet ary s un gear is locked by t he fl uid pump which caus es i tt o pres s agains t the pl anet ary ring gear and orbit the s un gear, rotat ing on i ts axis. The pl anet ary carrier rot ates clockwis ewit h t he pini on gear orbi t.
Clut ch (C3) i s act ivated and rot at es clockwi s e and locks the pl anet ary carrier t o t he rear planetary mi ddl e s un gear.
Rear Pl anet ary Gear Trai n
The mi ddl e s un gear rotat es clockwi se wit h t he clutch (C3), but at a l ower speed t han the i nput s haft . Brake (B2) isact ivat ed and locks the pl anet ary carrier. The long pini on gear rotat es counter-clockwis e whi ch in t urn rotat es t he ri ng gearcount er-cl ockwis e.
The count er drive gear rot ates i n a counter-clockwi s e direct ion wi th the ring gear at t he s ame s peed.
The count er driven gear is rotat ed in a clockwi s e direct ion whi ch in t urn drives t he different ial ri ng gear in a counter-clockwi s e direct ion.