2006 LAND ROVER FRELANDER 2 Repair Manual

transmission oil tires automatic transmission TPMS width ground clearance

Page 1737 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Publi shed: 26-Jul-2011
Auxiliary Heating - Fuel Fired Booster Heater
Diagnosi s and Tes ti ng
Overview
For informati on on t he des cri pti on and operati on of the s ys tem, refer t o s ect ion 412

Publi shed: 26-Jul-2011
Auxiliary Heating - Fuel Fired Booster Heater
Diagnosi s and Tes ti ng
Overview
For informati on on t he des cri pti on and operati on of the s ys tem, refer t o s ect ion 412-02 -REFER to:
Fuel Fired Boos t er Heat er (412-02B Auxil iary Cli mate Cont rol, Des cri pt ion and Operati on),Fuel Fired Boos t er Heat er (412-02B, Des cript ion and Operat ion),Fuel Fired Boos t er Heat er (412-02B Auxil iary Cli mate Cont rol, Removal and Ins t al lat ion),Fuel Fired Boos t er Heat er Fuel Pump (412-02B Auxili ary Cl imat e Control, Removal and Ins tall ati on),Fuel Fired Boos t er Heat er Cool ant Pump (412-02B Auxil iary Cli mate Cont rol, Removal and Ins t al lat ion),Fuel Fired Boos t er Heat er Glow Pl ug And Burner As sembl y (412-02B Auxi liary Cli mate Cont rol , Removal andIns tal lat ion).Auxi li ary Heat ing i n the works hop manual .
Inspection and Verification
1. Verify t he cus t omer concern.1.
2. Vis ually ins pect for obvious mechani cal or electrical fault s .2.
Visual inspectionMechanicalElectrical
Fuel fired heater as sembl y- Combus ti on air fan- Coolant inl et /out let- Heat exchanger- Temperat ure s ens or- Exhaus t- Fuel inlet- Ai r inlet- EvaporatorAuxili ary fuel pump and li nesAuxili ary coolant pump
Fus esHarness esEl ect ri cal connector(s )Cont roll er area network (CAN) ci rcuit sCont rol module(s)
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. Us e the approved di agnos ti c s ys t em or a s can t ool t o ret rieve any diagnos t ic t rouble codes (DTCs ) before movingont o t he sympt om chart or DTC i ndex.4.
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.
• NOTE: If the control modul e or a component i s s us pect and the vehicle remains under manufacturer warrant y, refer t o theW arranty Pol icy and Procedures manual (s ect ion B1.2), or determine i f any pri or approval programme is in operat ion, pri ort o the ins tall ati on of a new module/component.
• NOTE: Generic scan t ool s may not read the codes li st ed, or may read only 5-digi t codes . Match t he 5 digi ts from t he s cant ool t o t he fi rs t 5 di gi ts of the 7-digit code li s ted t o i dent ify the fault (the last 2 digi ts gi ve ext ra informati on read by themanufacturer-approved di agnos ti c s ys t em).
• 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: Ins pect connect ors for s igns of water ingres s , and pins for damage and/or corros ion.
• 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 .
The t abl e below l is t s all Diagnos ti c Trouble Codes (DTCs ) t hat could be logged in the Fuel Fi red Boos ter Heater Module, foraddi ti onal Di agnos is and Tes ti ng informat ion refer t o t he relevant Diagnosi s and Test ing Secti on
DTC index
For a compl ete lis t of all Di agnos ti c Trouble Codes (DTCs) t hat could be logged on this vehicle, pleas e refer to Sect ion100-00. REFER t o: Diagnost ic Troubl e Code (DTC) Index - DTC: Auxi li ary Heater Control Modul e (AHCM) (100-00 GeneralInformat ion, Des cript ion and Operat ion).

Page 1738 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Auxiliary Climate Control -
Torque SpecificationsDescriptionNmlb-ft
Electric boos ter heater Torx screws21
Fuel fired boost er heat er bol ts107Feul fired boost er heat er fue

Page 1739 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Auxiliary Climate Control - Electric Booster Heater
Des cript ion and Operat ion
COMPONENT LOCATION
ItemPart NumberDescription1-Heater as sembl y
2-Electric boos ter heater
OV

Page 1740 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual • NOTE: There i s als o a mini mum bl ower motor s peed required el ect ri c boost er heat er operat ion.
The electric boos ter heater is limit ed to 1.25 kW . If electrical load management is i

Page 1741 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual Publi s hed: 11-May-2011
Auxiliary Climate Control - Fuel Fired Booster Heater
Des cript ion and Operat ion
COMPONENT LOCATION - VEHICLES WITHOUT FFBH REMOTE CONTROL
ItemPart NumberDescription1-Automa

Page 1742 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual ItemPart NumberDescription
1-Automat ic Temperat ure Cont rol (ATC) modul e2-Fuel Fi red Boos ter Heater (FFBH)
3-Auxili ary coolant pump
4-Ambi ent ai r temperat ure s ens or5-Auxili ary fuel pump

Page 1743 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual FFBH antenna mat chi ng uni t and a remote hands et for operati on of the s ys tem. The FFBH unit remains as previ ous l y fi tt edbut has upgraded s oftware. The Engine Cont rol Modul e (ECM) al

Page 1744 of 3229

LAND ROVER FRELANDER 2 2006 Repair Manual The s olenoi d coil of the auxil iary fuel pump i s ins tal led around a hous ing which cont ains a pl unger and pis t on. The pi st onlocates i n a bus h, and a s pri ng is i nst all ed on t he p

The s olenoi d coil of the auxil iary fuel pump i s ins tal led around a hous ing which cont ains a pl unger and pis t on. The pi st onlocates i n a bus h, and a s pri ng is i nst all ed on t he pis ton bet ween the bus h and t he plunger. A fil ter i nsert and a fuel l ineconnector are ins tal led i n the inlet end of t he hous ing. A non return valve and a fuel line connect or are i nst all ed in the fueloutl et end of t he housi ng.
W hi le t he s olenoid coil i s de-energized, the spring holds t he pis t on and plunger i n t he clos ed pos i ti on at the i nlet end oft he hous ing. An O-ri ng s eal on the pl unger provides a fuel ti ght s eal bet ween t he plunger and t he filt er ins ert , prevent ingany fl ow t hrough t he pump. W hen the sol enoi d coi l is energi zed, t he pis ton and pl unger move t owards t he outl et end oft he hous ing, unti l the pl unger cont act s t he bush; fuel i s t hen drawn i n t hrough the i nlet connecti on and fi lt er. The i ni ti almovement of t he pis t on als o clos es t rans verse dril li ngs in t he bus h and is olat es the pumpi ng chamber at t he out let end oft he hous ing. Subsequent movement of t he pis ton then forces fuel from t he pumping chamber through t he non return val veand int o t he li ne to the fuel fi red boost er heat er. W hen the s olenoid de-energizes , the s pri ng moves the pi s ton andplunger back t owards t he cl osed pos it ion. As t he pis t on and plunger move towards t he clos ed posi ti on, fuel fl ows pas t t heplunger and through t he annul ar gaps and t rans vers e holes i n t he bus h t o replenis h the pumping chamber.
FUEL FIRED BOOSTER HEATER (FFBH)
The FFBH is ins tall ed in the coolant s uppl y li ne to the heat er as s embly and i s located behind the RH front fender s plas hs hield. Two el ect ri cal connectors connect the FFBH t o t he vehi cl e wi ri ng.
The FFBH compris es t he fol lowing:
A combus ti on air fanA burner housi ngA heat exchangerAn air i nlet hose and mufflerAn exhaus t pipe and mufflerA control modul e.
Sect ioned View of Typi cal Fuel Fired Boost er Heater

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