engine LAND ROVER FRELANDER 2 2006 Repair Manual

Publi s hed: 11-May-2011
Electronic Engine Controls - TD4 2.2L Diesel - Diesel Particulate Filter (DPF)
Temperature Sensor
Removal and Inst all ati on
Removal W ARNING: Observe due care when worki ng near a hot exhaust s ys tem.
• NOTE: Removal s t eps in t his procedure may cont ain i nst all ati on det ail s.
1. W ARNING: Do not work on or under a vehi cle s upported onl y
by a jack. Al ways support t he vehi cl e on s afet y s tands .
Rais e and s upport t he vehi cl e.
1. 2.
3. CAUTION: Before dis connecti ng or removing t he
component s, make sure t he area around t he joi nt faces
and connecti ons are clean. Plug open connecti ons to
prevent cont aminati on.
T orque: 35 Nm 3.
Installation Apply ant i-sei ze compound t o t he s ens or threads .
Refer t o: Specificati ons (303-08, Speci ficat ions).
1.
To i nst all , revers e t he removal procedure.
2.

Publi s hed: 11-May-2011
Automatic Transmission/Transaxle -
Lubricants, Fluids, Sealers and Adhesives
• CAUTIO NS:
* Do not us e any l ubricant other t han that s pecified
+ Do not over l ubricate
ItemSpecification
Recommended lubri cant - 3.2 Pet rol *Ess o JW S 3309 US. Land Rover Part No LR002748
Recommended lubri cant - 2.2 Dies el, Vehicles buil t up to 2011 *Ess o JW S 3309 US. Land Rover Part No LR002748Recommended lubri cant - 2.2 Dies el, Vehicles buil t from 2011 *Nippon AW -1. Land Rover Part No LR0022460
Torque converter nos e+Molykot e FB180
Driveshaft spl ine greas eW eicon Ant i Sei ze - 6G92M1C27AAFlui d pan to transmis si on s eal antLR002912
C apacities
CAUTION: * A fi nal oi l level /check/top-up mus t be carri ed out when the uni t has been i nst all ed
ItemCapacity (liters/pints/US quarts)Init ial dry fil l*7.0/12.3/7.4
General Specification
ItemSpecification
Automat ic trans mi ss i onAi s in AW F21 (6 s peed auto)T orque - Maximum:
3.2 Pet rol315 Nm (232 lb-ft )
2.2 Dies el450 Nm (332 lb-ft )Gear ratios:
Firs t4.148:1
Second2.370:1Third1.556:1
Fourt h1.155:1
Fifth0.859:1Sixt h0.686:1
Revers e3.394:1
Final drive ratio:3.2 Pet rol3.750:1
2.2 Dies el3.329:1
T orque converter:3.2 Pet rolD260 170K
2.2 Dies elD260 186K2
T ransmission control module:Locat ionIntegrat ed onto top trans mi ss i on cas ing
Type - 3.2 Pet rol , Vehi cl es bui lt from 2007 to 2009SH 7055
Type - 2.2 Dies el , Vehi cles buil t from 2007 t o 2010SH 7055Type - 3.2 Pet rol , Vehi lces bui lt up to 2011SH 7058
Type - 3.2 Pet rol and 2.2 Dies el, Vehicles buil t from 2011SH 7058
Torque Specifications
DescriptionNmlb-ft
3 way sol enoi d S11073 way sol enoi d S2107
Cover pl ate bol t - PTU s ide - 2.2 Dies el onl y2418
Cover pl ate bol t- s t arter s ide - 2.2 Di esel only2418Drai n plug bol t4735
Fil l pl ug Torx bol t3929
Flexplat e to torque convert er bol ts6044Flui d pan Torx bolt s1310
Lock pl ate bol t - oil t emperature s ens or107
Main cont rol valve body bol ts107Overflow Torx bolt75
Suct ion cover - val ve body as s y107
Trans mi ss ion cont rol module (TCM) bol ts2418Trans mi ss ion cont rol module (TCM) s upport bracket2518
Speed Sens or - Input53.7
T ransmission to engine bolts - M10:3.2 Pet rol4835
2.2 Dies el6548
Trans mi ss ion to engine bol ts - M8 - petrol 3.2l engi ne onl y2418

6-Clut ch - C3
7-Torque converter
8-Fluid pump9-Different ial as sembl y
10-Count er dri ven gear
11-Count er dri ve gearThe main cas ing ret ai ns the fl ui d at t he bot t om. A combined drai n/fill er plug i s located i n t he bot t om of t he cas ing. The oillevel is checked by removing t he inner fi ll plug when the t rans mis s ion flui d is at a t emperature of bet ween 50 t o 60°C (122t o 140°F). W hen the oi l fl ow becomes a dri p from the pl ug hol e, the l evel i s correct.
The t ransmis s ion has a flui d cool er whi ch is locat ed on t he Left Hand (LH) end of t he radi ator. The cooler is connect ed t ot he trans mi s si on convert er hous ing by 2 pipes . The fl ui d cooler is connect ed int o t he engi ne cool ing s yst em and cools thet ransmis s ion fluid by heat t rans fer t hrough t he cooler t o t he engi ne cool ant .For addit ional informat ion, refer t o: Trans mis s ion Cooli ng (307-02 Trans mis s ion/Trans axle Cooli ng, Des cri pti on andOperat ion).
TORQUE CONVERTER
ItemPart NumberDescription1-Torque convert er hous ing
2-Lock-up clut ch
3-Turbine4-Impell er
5-St ator
6-Fl uid pump7-Input shaft
The t orque convert er is t he coupl ing el ement bet ween the engine and the t rans mis s ion and is l ocat ed in t he t rans mis s ionhous i ng, on t he engine s ide of t he t rans mis s ion. The dri ven power from the engine cranks haft i s transmit ted hydrauli cal lyand mechani cal ly t hrough t he torque convert er t o t he t rans mis s ion. The torque convert er is connect ed to the engine by adri ve plate.
The t orque convert er compris es an i mpeller, a s tat or and a t urbine. The torque convert er is a sealed uni t wit h allcomponents locat ed between the converter housi ng cover and t he impel ler. The t wo component s are welded t oget her t oform a s eal ed, flui d fi ll ed hous ing. W it h the impell er welded t o the convert er hous ing cover, the impell er is t hereforedri ven at engine cranks haft s peed.
The t orque convert er cont ai ns a hydrauli cal ly operat ed lock-up clut ch which i s cont roll ed by t he TCM via a s olenoid i n t hevalve block which actuat es s pool valves to cont rol the hydraul ic pres s ure appli ed t o t he cl utch. Thi s all ows the TCM t oprovide 3 modes of convert er operat ion; unlocked, part iall y l ocked and ful ly l ocked.
VALVE BLOCK
The valve block is locat ed i n a vert ical pos i ti on at the front of t he transmis si on mai n cas i ng, behind a sealed cover. Thevalve block cont ains a number of s olenoids , dampers and s pool valves to cont rol t he trans mi s si on operati on. The s olenoidsare cont roll ed by t he TCM t o provide gear changes and s mooth trans i ti on bet ween rat io changes.

Solenoids
ItemPart NumberDescription
1-3-W ay s olenoi d - S1
2-3-W ay s olenoi d - S23-Line press ure cont rol s ol enoi d - SLT
4-Shift cont rol s ol enoi d - SLC2
5-Shift cont rol s ol enoi d - SLC16-Lock-up cont rol s olenoi d - SLU
7-Shift cont rol s ol enoi d - SLC3
8-Shift cont rol s ol enoi d - SLB19-Valve bl ock
Shift Cont rol Solenoids - SLC1, SLC2, SLC3, SLB1
The s hift control sol enoi ds (SLC1, SLC2, SLC3 and SLB1) are ins tal led on t he front valve body. The s olenoids respond t oinputs from t he TCM and control the hydrauli c pres s ure appli ed to the clut ches (C1, C2 and C3) and to the brake B1 t oprovide s moot h s hifti ng. The TCM us es a si ngl e or a combinat ion of t hes e s olenoids to provi de shi ft s from 1s t t o 6t h gear.
If a s ol enoi d fai ls , t he TCM wi ll remove t he current t o t he s hift cont rol s ol enoi ds and the trans mi s si on wil l use limp homemode, to prevent damage t o t he transmis s ion.
Line Pres s ure Cont rol Solenoid - SLT
The li ne pres s ure control s olenoid (SLT) is i nst all ed on t he front val ve body. The sol enoi d i s cont roll ed in a l inear mannerby t he TCM which us es t hrott le openi ng degree s ignals and engine t orque i nformat ion from t he Engi ne Control Module(ECM) t o det ermi ne the sol enoid operati on. The s olenoid controls t he l ine pres s ure appli ed t o t he cl utches and brakes toprovide s moot h s hifti ng.
If the s olenoid fail s, t he TCM will remove the current s uppl ied t o t he s ol enoi d. Maxi mum l ine press ure wil l be appl ied t ot he cl utches and brakes unl ess the fail ure i s due t o the sol enoi d val ve s ti cki ng, whi ch may res ult i n low li ne pres s ure.
Lock-Up Cont rol Solenoid - SLU
The lock-up control sol enoid is i nst all ed on t he front val ve body. The s ol enoi d i s cont roll ed in a l inear manner by t he TCMwhich us es engi ne s peed, t hrott le openi ng degree s ignals and t rans mis s ion s peed s ensor s ignals t o det ermi ne thes olenoi d operat ion. The sol enoi d cont rol s the amount of l ock-up or s l ip requi red for the t orque converter l ock-up cl utch.
If the s olenoid fail s, t he TCM removes the current s uppli ed t o t he sol enoi d which resul ts i n no t orque converter l ock-upbeing appli ed.
3-W ay Solenoi d - S1, S2
The 3-way sol enoid (S1) i s located on t he center valve body and s ol enoi d (S2) i s located on the front valve body. Thes olenoi ds are on/off s olenoids control led by the TCM. A combi nat ion of t he 2 s olenoids i s us ed to operat e ei ther the 1s tgear engine braki ng or enabl e gear s hift s.
If a s ol enoi d fai ls , t he TCM wi ll remove t he current s uppli ed to bot h s olenoids .
Speed Sensors

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

• 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.

• NOTE: Engine braking is avail abl e when t hi s gear is s elected.
Power Flow Neutral
Solenoid Operation
T ransmission Selector Lever PositionSolenoid
SLC 1SLC 2SLC 3SLB 1S1S2NNeutralXXXX--
X = Operat ing
C lutch and Brake OperationT ransmission Selector Lever PositionClutchBrakeO ne-Way clutch
C1C2C3B1B2F1
RRevers e Gear------X = Operat ing
In neut ral , all the sol enoi ds , except t he 3 way s olenoids , are energi s ed and the cl ut ches and brakes are all di sengaged.This al lows rot ati on from the i nput s haft t o rotat e t he front pl anet ary gear train wit hout t rans ferring any drive t o t hedifferent ial ri ng gear.
TRANSMISSION CONTROL MODULE (TCM)
ItemPart NumberDescription1-TCM
2-'Neutral 'N' pos it ion
3-Park 'P' posi ti on4-Pos it ion sens or/manual s haft
5-El ect ri cal connector
The TCM i s located on the t op of t he trans mi s si on cas i ng and is connect ed on t he high s peed CAN bus t o s end and receiveinformat ion t o and from other s ys t em modules .
The TCM out put s s ignals t o operat e t he transmis si on s olenoid valves t o cont rol t he hydraulic operat ion of t het ransmis s ion.
The ECM s upplies t he engine management dat a on t he high speed CAN bus s ys tem. The TCM requires engi ne dat a t oefficient ly control t he t rans mis s ion operat ion, usi ng for example; cranks haft torque, engine s peed, accel erat or pedal angl e,engi ne t emperature etc.
The TCM proces ses si gnal s from t he t rans mis s ion s peed and t emperature s ens ors , ECM and ot her vehicl e s ys t ems . Fromt he received s ignal i nput s and pre-programmed data, t he module calculat es the correct gear, t orque converter clut chs ett ing and opt imum pres sure s ett ings for gear s hift and lock-up clut ch control.
The s teeri ng angle s ensor and t he ABS module als o s uppl y data to t he TCM on the hi gh s peed CAN bus sys t em. The TCMus es dat a from thes e s yst ems t o s us pend gear changes when t he vehi cl e is cornering and/or t he Anti -l ock Brake Syst em(ABS) module is controll ing braking or t ract ion control .
The TCM i s posi ti oned over t he manual s haft whi ch protrudes through an oi l seal on the t op face of the main cas ing. Thes haft locates i n a rotary posi ti on s ens or and t urns t he sens or in t he appropri ate directi on when a s electi on is made us ingt he sel ect or lever. The rot ary pos it ion s ens or i s a Hal l effect s ens or which out put s a s pecifi ed volt age relat ing t o t hes elect ed s elector l ever posi ti on.
The s elect or lever is connect ed to the aut omati c transmis si on and t he rot ary pos it ion s ensor i n t he transmis si on by aBowden cabl e. Movement of the s elect or l ever moves t he posi ti on s wit ch vi a t he Bowden cabl e and the swi tch pos it ioninforms the TCM of t he s elected pos it ion; P, R, N or D. The s port and manual +/- 'CommandShi ft ™' s wit ch pas s es s port ormanual s elect ions to the TCM on a Local Interconnect Net work (LIN) bus . The TCM out put s appropri at e i nformati on on thehigh s peed CAN bus whi ch is received by t he i ns t rument clus ter t o dis play t he gear sel ect ion i nformati on in t he mes s agecent er.

SymbolDescription
44th gear s elected ('CommandShift™ 'mode)
55th gear s elected ('CommandShift™ 'mode)66th gear s elected ('CommandShift™ 'mode)
SPORTSport mode s elected
Message Center Display
The mes s age center i s located bel ow t he speedometer and t he tachometer at t he bot t om of t he ins trument cl ust er. Themes s age center i s a Liqui d Crys tal Di spl ay (LCD) t o rel ay vehi cl e s tat us informat ion t o t he dri ver.For addit ional informat ion, refer t o: Informat ion and Mes s age Cent er (413-08 Informat ion and Mes s age Cent er, Des cript ionand Operat ion).
CONTROLLER AREA NETWORK (CAN)
The high s peed CAN broadcast bus net work i s us ed to connect t he powert rai n modules . The CAN bus is connect ed betweent he foll owing el ect ronic uni ts :
High Speed CAN Bus
TCMIns t rument clus terSteering angle s ens orRest rai nts control modul eEngi ne Control Module (ECM)ABS moduleAdapt ive Front l ight ing Syst em (AFS) cont rol moduleDiagnost ic socket .
The CAN bus all ows a fast exchange of dat a between modules . The CAN bus compri ses two wires which are identi fied asCAN hi gh (H) and CAN low (L). The t wo wires are colored yel low/bl ack (H) and yell ow/brown (L) and are twi s ted t oget her tomi ni mi se el ect romagneti c int erference (nois e) produced by the CAN bus mes sages .For addit ional informat ion, refer t o: Communicati ons Net work (418-00 Modul e Communicati ons Net work, Des cript ion andOperat ion).
In the event of CAN bus fai lure, t he fol lowi ng s ympt oms may be obs erved:
Trans mis s ion operat es in default modeTorque converter lock-up clut ch cont rol is dis abl edGear pos it ion indicati on in ins trument cl us t er LCD inoperati ve (t his will al so occur wit h any t rans mis s ion faul t).
DRIVING MODES
A number of different dri ving modes are avai lable. Some can be s elected by the driver and some are aut omati cal ly i nit iatedby t he TCM t o adapt t o di fferent drivi ng condit ions .
NormalSportManual 'CommandShift ™'CoolingHil l Descent Cont rol (HDC)Crui seLimp homeCoastFast off recogni ti onUphill and TrailerDownhillW i de Throt tl eTerrai n Res pons eRevers e lock-out
Normal
Normal mode is automat icall y s elect ed by t he TCM when t he i gni ti on is swi tched on. In this mode all automat ic andadapt ive modes are acti ve. Normal mode uses gear s hi ft and l ock-up maps which provi de the opt imum of fuelcons umpt ion, emis s ions and dri veabil it y, depending on t he dri ving s tyl e.
If the t rans mis s ion is operat ed in sport mode or 'CommandShi ft ™' mode and t he s elector lever is moved back t o t he drive'D' pos it ion, then normal mode operat ion is resumed.
Sport
Sport mode provi des enhanced accelerat ion and respons ivenes s by t he us e of s ports shi ft maps . This mode al lows t het ransmis s ion t o down s hift more readil y and hol d gears for longer at hi gher engine speeds .
Manual 'CommandShift™'
Manual 'CommandShift ' mode al lows t he t rans mis s ion t o operat e as a semi -aut omati c trans mi s si on. The driver can changeup and down t he s ix forward gears wi th the freedom of a manual t rans mis s ion.
Shift maps are provi ded to protect t he engi ne at high s peeds . The TCM wi ll automat icall y change up t o a higher gear rat iot o prevent engine overspeed and change down to a lower gear rati o t o avoi d engine l aboring and s t al li ng.
W hen ki ck-down is reques ted the TCM shi ft s down t o t he lowes t avai lable gear. W hen the vehicl e is st ati onary, t he drivercan s el ect 1s t , 2nd or 3rd t o s tart off.