Workshop Manuals Factory service & repair Land Rover
01 Range Rover 2002MY ON Workshop Manual - System Description and Operation - LM - 6th Edition - NAS02 03 04 05 06 07 08 09 ENGINE - V810 11 12 ENGINE MANAGEMENT SYSTEM – V813 14 FUEL DELIVERY SYSTEM – V815 16 17 18 19 20 COOLING SYSTEM – V821 22 MANIFOLDS AND EXHAUST SYSTEM – V823 TRANSFER BOX24 AUTOMATIC TRANSMISSION – ZF 5HP2425 26 DRIVE AND PROPELLER SHAFTS27 28 FINAL DRIVE29 STEERING30 31 SUSPENSION32 33 34 35 BRAKES36 37 38 RESTRAINT SYSTEMS39 40 41 DOORS42 INTERIOR TRIM COMPONENTS43 44 45 SCREENS46 SEATS47 48 SUNROOF49 50 AIR CONDITIONING51 52 53 54 55 56 57 WIPERS AND WASHERS58 59 CHARGING AND STARTING60 61 62 63 64 LIGHTING65 66 BODY CONTROL UNIT67 68 COMMUNICATION DATA BUSES69 70 71 SECURITY72 WINDOWS73 74 75 ENTERTAINMENT AND INFORMATION SYSTEMS76 DRIVING AIDS77 78 INSTRUMENTS
Land Rover L322 Range Rover System Description and Operation50 · AIR CONDITIONING
50 · Heating & A/C

Flap Control – Low Line System

Make
Land Rover
Model
Range Rover L322 Range Rover System Description and Operation
Section
Operation › Flap Control – Low Line System
AIR CONDITIONINGFlap Control – Low Line System
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AIR CONDITIONING

82-42

DESCRIPTION AND OPERATION

Heater Coolant Circuit - Without FBH

1 Coolant valve (low line system)
2 Heater matrix
3 Coolant valves (high line system)

4 Auxiliary coolant pump
5 Engine cooling system
6 ATC ECU

Flap Control – Low Line System
While the ignition is on, the position of the recirculation flaps is manually controlled by selection of the recirculation 
switch on the control panel and the steering wheel switch. If the recirculation flaps are in the recirculation position 
when the ignition is switched off, the ATC ECU automatically sets them to the fresh air position, to ensure that fresh 
air is available if a fault occurs with the recirculation flap drive circuit at the next ignition on.

The positions of the distribution flaps are manually controlled by selection of the distribution rotary switch on the 
control panel. The flaps are also automatically positioned by the ATC ECU to open the:

l

Windscreen and footwell outlets, when parked heating is initiated by the FBH

l

Face and footwell outlets, when parked ventilation is initiated

l

Windscreen outlets, when the ignition is switched off and the ambient temperature is less than 0 

°

C, or 

windscreen and footwell outlets when the ignition is switched off and the ambient temperature is 0 

°

C and above.

M82 0819

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2

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3

2

1

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