Land Rover Discovery: Auxiliary Climate Control
COMPONENT LOCATION
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- Auxiliary climate control unit
- Fan speed control
OVERVIEW
The vehicle features a choice of air conditioning systems, with new features available to enhance the performance for second and third row seat passengers.
The system is available in two forms, with an optional rear air conditioning unit:
- Manual air conditioning system
- 2-zone climate control system, with separate LCD display controls for the driver and front passenger.
Vehicles with 5+2 seating have an optional auxiliary air conditioning unit for third row passengers, with a control for fan speed. Depending on the level of climate fitted to the vehicle the rear air conditioning temperature is controlled from the Touch Screen:
- On vehicles with dual zone climate - Climate > Rear A/C
- On vehicles with single zone manual climate - Home > Extra features > Rear A/C.
The rear air conditioning has a child lock function which disables the rear fan speed control switches. This is feature is accessed from the Touch Screen.
Third seats - fan speed control
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DESCRIPTION
The auxiliary climate control assembly is installed on the right side of the luggage compartment, behind the rear quarter trim panel.
The air conditioning system includes the following features:
- B-pillar mounted mid-level vents for row 2 passengers
- Face-level vents mounted in the C-pillar on vehicles with 5+2 seating, for row 3 passengers
- A mist sensor on the windscreen, used to detect conditions likely to cause misting
- An air quality sensor for detection of pollutant levels. When levels exceed set limits the system switches to re-circulation mode
- ECO mode enables the system to adopt a more economical operating mode.
Air Conditioning Layout with Optional Independent Rear Air Conditioning Unit
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- B-pillar mounted mid-level vents for row 2 passengers
- Face-level vents mounted in the C-pillar on vehicles with 5+2 seating, for row 3 passengers
- Optional independent air conditioning unit.
OPERATION
Air Conditioning Refrigerant Circuit With Optional Auxiliary Rear Air Conditioning Unit
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- Condenser
- Internal heat exchanger
- Front evaporator
- Rear evaporator
- 5 Compressor
- Joints B High pressure side C Low pressure side D Hose E Sealed system F Thermal expansion valve G Block connector
Auxiliary Climate Control
Fuel Fired
Booster Heater
Fuel Pump (G1791379)
/ Removal and InstallationAuxiliary Climate Control
Electric Booster
Heater
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Auxiliary Climate Control
Electric Booster
Heater
COMPONENT LOCATION
Climate control assembly
Electric booster heater
OVERVIEW
Due to the slower warm up times associated with some engines, an electric
booster heater may be fitted to increase he
Auxiliary Climate Control
Fuel Fired
Booster Heater
COMPONENT LOCATION - FUEL FIRED BOOSTER HEATER WITHOUT REMOTE CONTROL
Integrated Control Panel (ICP) with Automatic Temperature Control Module
(ATCM)
Ambient Air Temperature (AAT) sensor
Fuel F
Fuel Fired Booster
Heater - Fuel
Pump
Fuel line connector
Non return valve
Solenoid coil
Plunger
Filter insert
Fuel line connector
O-ring seal
Spring
Piston
Bush
The Fuel Fired Booster Heater (FFBH), fuel pump is mounted adj
SEE MORE:
Running out of fuel
Avoid running out of fuel.
If the vehicle does run out of fuel, a
minimum of 4 litres will be required to
restart the engine.
The vehicle should be left with the
ignition on for 5 minutes after refuelling,
before attempting to restart the engine.
The vehicle will need to be driven for a
distance of
Central Junction Box
The CJB controls the exterior lighting system through interconnections as
follow:
Left steering column multifunction switch
Side lamp position
Low beam position
Automatic ('AUTO') position (if fitted)
Front fog lamp switch (if fitted)
Rear fog lamp switch
Turn signal indicators
High beam sw
