Page 2177 of 3229
Item
Part Number Description
A -Dri ver's power operated non-memory s eat
B -Front pas s enger power operated non-memory s eat
1 -Seat s quab recli ne mot or
2 -Dri ver's s eat hei ght motor
3 -Dri ver's power operated non-memory s eat s wit ch pack
4 -Seat s li de mot or
5 -Pas s enger power operated non-memory s eat s wit ch pack
Movement of t he s eat is achieved usi ng the cont rol s wit ch pack l ocat ed on the out boa rd s ide of t he s eat. The s eat cont rol
s wit ches di rectl y operate the corresponding s eat adjus tment mot ors , mounted t o t he s eat frame and backres t . For
addi ti onal i nformat ion on the power operat ed non-memory seat control s , refer t o t he rel evant s ect ion of t he Owner's
Handbook.
The s eat adjus t ment motors are a permanent magnet motor t ype, coupl ed to a rack and pi ni on as sembl y.
DRIVER'S POWER OPERATED MEMORY SEAT
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Item
Part Number Description
1 -Driver's memory s eat s wi tch pack
2 -Power s eat modul e
The dri ver's power operated seat wi th memory i s 6-way adjust able and compri s es the s ame cont rol components as the
front non-memory seat . The seat i ncorporat es a power s eat modul e located under the s eat frame that all ows up to 3
memory posi ti ons for t he seat t o be s t ored and recall ed. If memory exteri or mirrors are ins tall ed, the power s eat modul e
als o i nit iates movement of t he ext eri or mirrors by transmit ti ng a command s ignal to the front door control modul es when
t he seat memory pos it ion i s recalled. The front door control modul es are us ed t o s to re and recall t he memory exteri or
mi rror pos it ions .
For addit ional informat ion, refer t o: Rear Vi ew Mi rrors (501-09 Rear View Mirrors , Des cript ion and Operat ion).
Power Seat Mod ule The power seat module is connected in t he wi ri ng bet ween t he s eat s wi tch pack and se
at adjus t ment motors. The module
cont ains a non-vol at il e Elect ricall y Eras able Programmable Read Onl y Memory (EEPROM) .
The power seat module moni tors t he s eat pos it ions and s tores informat ion provided by the s eat track Hal l s ens ors . The
Hall s ensors are incorporated wit hi n t he s eat adjus t ment motors . Al l s eat memory val ues and current s eat mot or pos it ions
are st ored i n t he EEPROM.
In the event of a power los s, when power i s res tored t he current mot or pos it ions are recall ed from t he EEPRO M memory
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and adopt ed as t he current pos it ions. This wil l al low the relat ive memory posi ti ons to be ret ained wit hout any need t o
recali brate the power s eat modul e.
The power seat module is able to be 'flas hed' for s ervice updates or i nterrogat ed us ing t he Land Rover approved diagnost ic
equi pment.
Up t o 3 di fferent s eat pos it ions are abl e t o be s t ored i n the power s eat modul e. Sea t pos it ions are st ored in memory by
pres s ing t he memory butt on ( M), and t hen 1 of t he 3 memory s tore butt ons ( 1, 2, 3) wi thi n 5 s econds . The memory
butt ons are l ocat ed on t he s wit ch pack. The swit ch pack memory butt ons allow the dri ver t o cont rol t he memory st orage
and recall operat ions for t he s eat and ext erior mi rrors . The s wit ch pack but tons are non-lat chi ng, moment ary act ion
s wit ches .
On vehicles i nst all ed wit h a hi gh-li ne ins t rument clus ter and t he ignit ion s wi tched on, the s eat posi ti on memory s tore
commands are di spl ayed i n t he mes sage center and a si ngl e chime is s ounded to confi r m t he new s eat pos it ion i s s aved.
• NOTE: Low-l ine i nst rument clus ters are not i nst all ed to vehi cl es equi pped wit h a m emory s eat sys t em.
For addit ional informat ion, refer t o: Ins t rument Clus ter (413-01 Inst rument Cl us t er, Des cript ion and Operat ion) /
Informat ion and Mes s age Cent er (413-08 Informat ion and Mes s age Cent er, Des cript ion and Operat ion).
The power seat module provi des the foll owing driver sel ect abl e functi ons: Seat and ext erior mirror memory recall Immediat e s eat adjus t ment.
For furt her operat ing det ail s of the driver sel ect abl e funct ions, refer t o t he s ect i
on 'Principles of Operat ion'.
The act ivi ty of t he s eat is automat icall y monit ored by t he power s eat module. The mo dule wil l react to motors that are not
functi oni ng correct ly t o an operat ion reques t , and will al so aim to reduce power con sumpt ion during peri ods of i nact ivit y.
The power seat module provi des the foll owing automat ic moni toring funct ions : Stal l det ect ion mode Sleep mode
Batt ery moni tor mode.
For furt her operat ing det ail s of the aut omati c monit oring funct ions , refer t o t he s e
ct ion 'Pri nci pl es of Operati on'.
Calibration of Power Seat Module
If the power s eat modul e is replaced in servi ce, t he repl acement module must be cali brat ed usi ng t he Land Rover approved
diagnost ic equipment . The cal ibrat ion routi ne is necess ary for t he power s eat module t o reset t he s eat dat um values .
FRONT SEAT HEATING Item
Part Number Description
1 -Seat s quab heat ing el ement
2 -Seat cus hi on heat ing el ement
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3
-Seat heati ng module
Dependi ng on vehi cl e s peci fi cat ion, seat heati ng is avail abl e for bot h t he manual ly operat ed and t he power operat ed
s eat s . A heati ng element is incorporated wit hi n each s eat cus hi on and s quab. A seat heati ng modul e and elect rical wiring
is locat ed beneat h each front seat .
The s eat heat ing modules are connected on the LIN bus t o t he ATC, and are als o hardw ired to the AJB for the power
s uppl y. A ground t ermi nal from each s eat heat ing modul e completes the circui t.
For addit ional informat ion, refer t o: Cont rol Component s (412-01 Cli mat e Cont rol , Descripti on and Operat ion).
LUMBAR SUPPORT Item
Part Number Description
A -Dri ver's s eat manually operat ed l umbar s upport s yst em
B -Dri ver's s eat power operat ed l umbar s upport s ys t em
Dependi ng on the vehicl e s pecificati on, t he driver's seat only may incorporat e a man uall y operated or a power operat ed
lumbar s upport s ys t em.
Manually Operated Lumbar Sup port
The manual adjus t l umbar s upport s yst em is operat ed by a hand-wheel locat ed on t he s ide of t he backres t . The
hand-wheel i s connected wit h a cable t o a flexibl e plat e mounted behind the backres t squab. As the hand-wheel rot ates ,
t he plate is di st ort ed and is forced t o bow toward or away from t he s eat s quab. The manual adjus t s ys t em provi des a high
level of control over t he increas e in lumbar s upport.
Power Operated Lumbar Support
The power operat ed l umbar s upport s ys t em features a s ingle motor dri ven pump and air cells . The air cell s are mount ed
behi nd t he s eat s quab. The l umbar motor is cont roll ed us ing t he lumbar s wit ch mounte d t o t he s eat frame. O perati on of
t he lumbar s wit ch wil l energi ze the lumbar motor, and dri ve the pump to infl ate or d efl ate the ai r cel ls .
Power for the lumbar motor i s s uppl ied and control led by the CJB, vi a a bat tery-s ave r t imer relay t o t he lumbar cont rol
s wit ch. The l umbar control swi tch di rects the volt age via a hardwired connecti on to the l umbar motor.
Lumbar pos it ion i s not s tored wit hin t he power seat module.
REAR SEAT
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Item
Part Number Description
1 -ISOFIX fast ening point s
The rear s eat is a 60/40 s plit confi gurati on, and i s des igned to fold in order to i n crease luggage capaci ty. Removal of t he
rear s eat head res ts wi ll all ow t he s eat to fold compl et ely flat t o t he fl oor.
The rear s eat is manufact ured from 2 high s t rength st eel ext rus ions t hat are joined at each end wit h a hi gh st rengt h s teel
bracket and pi vot . The rear s eat bas e i s formed wi th an ant i-s ubmarine shelf t hat wi l l ret ai n t he rear occupants i n t he s eat
duri ng a front end col li si on.
The s eat bas e and backrest are i nl ayed wit h formed s ect ions of dual hardnes s mol ded foam that form the s eat s quab and
cus hion. The s eats provi de excell ent support and comfort for t he rear occupants .
An i nject ion molded armres t wit h s t owage tray is mount ed in the center of t he backre s t, and may be fol ded down from t he
rear s eat when the center pos it ion i s not occupi ed.
ISOFIX fast ening point s are manufact ured on the rear s eat frame and are provided for secure fas tening of compati ble chil d
s afety seat s t o the 2 outer s eat pos it ions . The ISOFIX fas t eni ngs provide t he s afes t method of chil d s afety seat res t rai nt ,
as t he chi ld s afet y s eat is not able to roll or become det ached from t he rear s eat , even during s evere vehicle maneuvers .
CONTROL DIAGRAM - FRONT POWER OPERATED NON-MEMORY SEATS (SHEET 1 OF 3)
• NOTE: A = Hardwi red; N = Medium s peed Cont roll er Area Net work (CAN) bus; O = LIN bus .
Page 2182 of 3229
Item
Part Number Description
1 -Driver's power operat ed non-memory s eat sl ide mot or
2 -Driver's door l atch wi th ajar s wit ch
3 -Pas senger power operat ed non-memory s eat s l ide mot or
4 -Driver's door control modul e
5 -Pas senger power operat ed non-memory s eat s quab recli ne mot or
6 -Pas senger power operat ed non-memory s eat s wi tch pack
7 -Pas senger s eat relay
8 -CJB wi th internal bat tery-s aver t imer rel ay
9 -St art cont rol module
10 -AJB
11 -Power operated l umbar support s wi tch
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12
-Power operated l umbar support mot or
13 -Driver's power operat ed non-memory s eat swi tch pack
14 -Driver's power operat ed non-memory s eat hei ght mot or
15 -Driver's power operat ed non-memory s eat squab recl ine mot or
CONTROL DIAGRAM - DRIVER'S POWER OPERATED MEMORY SEAT (SHEET 2 OF 3)
• NOTE: A = Hardwi red; N = Medium s peed CAN bus; O = LIN bus . Item
Part Number Description
1 -Driver's power operat ed memory s eat s l ide mot or
2 -Driver's door l atch wi th ajar s wit ch
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3
-Driver's door control modul e
4 -LH ext erior mirror
5 -Pas senger door control modul e
6 -RH ext eri or mirror
7 -Inst rument clus t er
8 -CJB wi th bat tery-s aver t imer relay
9 -St art cont rol module
10 -AJB
11 -Power operated l umbar support s wi tch
12 -Power operated l umbar support mot or
13 -Driver's power operat ed memory s eat s wi tch pack
14 -Driver's power operat ed memory s eat hei ght mot or
15 -Driver's power s eat module
16 -Driver's power operat ed memory s eat s quab recli ne mot or
CONTROL DIAGRAM - FRONT SEAT HEATING (SHEET 3 OF 3)
• NOTE: A = Hardwi red; N = Medium s peed CAN bus; O = LIN bus . Item
Part Number Description
1 -ATC modul e
2 -Driver's s eat heat ing module
3 -Pas s enger s eat heat ing module
4 -AJB
5 -CJB