Page 1969 of 3229

Publi shed: 06-Jul-2011
Module Communications Network - Communications Network
Diagnosi s and Tes ti ng
Principles of Operation
For a detail ed descripti on of the Communi cat ions Net work, refer to t he relevant Des cript ion and O perati on sect ion i n theworks hop manual .REFER to: Communi cat ions Network (418-00 Modul e Communi cat ions Network, Des cri pti on and Operati on).
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 and sys tem integrit y.2.
Visual InspectionElectrical
Fuses (refer to elect rical guide)W iri ng harnes sCorrect engagement of el ect ri cal connectorsLoose or corroded connect ionsRouti ng of fi bre opt ic harnes sesCorrect engagement of opt ical connect orsCorrect pl acement of opti cal connectors (ring order)Correct as s embly of opti cal connect ors (backout , etc)Damage t o fibre (chafi ng, abras ion, kinking, cut s , etc)
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 ep3.
4. If t he caus e is not vis ually evi dent , check for Di agnos ti c Trouble Codes (DTCs) and refer t o t he DTC Index.4.
For a compl ete lis t of all di agnos ti c troubl e codes that coul d be l ogged on t his vehicle, pleas e refer to s ect ion 100-00.REFER to: Di agnos ti c Trouble Code (DTC) Index - DTC: Body Cont rol Module (BCM) (100-00 General Informat ion,Des cript ion and Operat ion).
Page 1970 of 3229
Publi s hed: 11-May-2011
Module Communications Network - Central Junction Box (CJB)
Removal and Inst all ati on
Removal
If renewing t he CJB, us e Land Rover approved di agnos ti c equi pmentt o int errogat e t he module and upload t he s t ored data, pri or toremoval of the CJB.
1.
Di sconnect t he bat t ery ground cable.
Refer t o: Specificati ons (414-00 Bat tery and Charging Sys tem -General Informat ion, Specificati ons).
2.
Remove t he glove compartment .
Refer t o: Glove Compart ment (501-12 Ins trument Panel andConsol e, Removal and Ins t al lat ion).
3.
4.
5.
Page 1971 of 3229
6.
Installation
1. NOTE: The Cent ral Junct ion Box i s pre-programmed by Land Roverand t herefore no IDS connecti on is requi red. Original remot e keyswi ll functi on. Any addit ional remot e keys wil l no longer funct ion.
To i nst all , revers e t he removal procedure.
1.
Page 1972 of 3229

Publi s hed: 11-May-2011
Module Communications Network - Battery Junction Box (BJB)TD4 2.2L
Diesel
Removal and Inst all ati on
Removal
Remove t he bumper armature.
Refer t o: Front Bumper (501-19 Bumpers , Removal and Ins tall ati on).
1.
Remove t he air cleaner hous ing.
Refer t o: Air Cleaner (303-12A Intake Ai r Dis tribut ion and Fil tering -I6 3.2L Pet rol, Removal and Ins t al lat ion).
2.
Remove t he s econdary bulkhead cent er panel.
Refer t o: Secondary Bulkhead Cent er Panel - TD4 2.2L Dies el(501-02 Front End Body Panel s, Removal and Ins tal lati on).
3.
Remove t he brake boost er.
Refer t o: Brake Boost er (206-07 Power Brake Act uat ion, Removaland Inst all at ion).
4.
Remove t he ABS module.
Refer t o: Ant i-Lock Brake Sys t em (ABS) Modul e (206-09A Anti -LockControl, Removal and Ins tall ati on).
5.
Remove t he fuel fi red boos ter heater.
Refer t o: Fuel Fired Boos t er Heat er (412-02B Auxil iary Cli mateControl, Removal and Ins tall ati on).
6.
Remove both headlamps .
Refer t o: Headl amp As sembl y (417-01 Ext eri or Li ght ing, Removaland Inst all at ion).
7.
Remove t he engi ne upper s upport ins ulat or.
Refer t o: Engi ne Upper Support Ins ulat or (303-01A Engine - I6 3.2LPetrol, Removal and Ins tall ati on).
8.
Remove t he glove compartment l id.
Refer t o: Glove Compart ment (501-12 Ins trument Panel andConsol e, Removal and Ins t al lat ion).
9.
Page 1973 of 3229
10. NOTE: RHD i llus t rati on s hown, LHD is s imil ar.
Remove t he LH fender s pl ash s hi eld.
10.
11.
Page 1974 of 3229
Page 1975 of 3229
Page 1976 of 3229
18.
19.
Releas e t he harness and wit hdraw i nto engine bayarea.20.