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Page 2015 of 2057

FORD KUGA 2011 1.G Workshop Manual • The refrigerant line between the fixed orificetube and the evaporator must be cold from the
point where the fixed orifice tube is installed.
Depending on the weather, the refrigerant line
may also

• The refrigerant line between the fixed orificetube and the evaporator must be cold from the
point where the fixed orifice tube is installed.
Depending on the weather, the refrigerant line
may also have ice on its surface.
• The refrigerant line between the evaporator and the A/C compressor including the dehydrator
must be cold.
Evaporator outlet line temperature test
To test the power of the A/C system, the
temperature at the evaporator outlet line must be
measured. To do this, the following preconditions
must be met:
• Open all windows.
• Set the air distribution to the defrost/dashboardposition and open all the ventilation nozzles.
• DO NOT switch on recirculated air.
• Select lowest blower switch setting.
• Select lowest temperature setting.
NOTE: The temperature measurement cannot be
done with a thermometer which makes no contact.
The surface reflection from the metal line may
cause incorrect readings.
Connect the temperature sensor (Fluke 80 PK-8)
to the outlet line of the evaporator. Locate the
temperature sensor as close as possible to the
evaporator. Connect the temperature sensor to the
multimeter.
Start the engine and allow it to run at idle speed
for several minutes.
Switch on the A/C.
After three minutes, measure the surface
temperature of the evaporator outlet line.
If the temperature measured is 4° C or lower, the
A/C system is OK. If the temperature is higher, the
A/C system may be under-filled. For further
information, refer to
REFER to: Air Conditioning (A/C) System
Recovery, Evacuation and Charging (412-00
Climate Control System - General Information,
General Procedures).
Frequent faults and their causes
If the cooling power of the A/C system is not
adequate, make certain that the temperature
control flap(s) is/are operating correctly. • No or poor cooling performance:
– Blockage or narrowing of a refrigerant line orin the dehydrator. The location of the
blockage or narrowing can easily be located
by temperature comparisons at the
refrigerant lines and the dehydrator. The
blockage or restriction is located at the point
where the temperature difference is
identified. Note: A temperature difference
in the area of the fixed orifice tube is
normal. If the location of the blockage or
narrowing is found, check the corresponding
component and renew as applicable.
• Sudden drop in cooling performance (after the air conditioning has been switched off for
approx. 5 minutes, the cooling performance
returns to normal):
– The cause is an iced-up fixed orifice tubebecause of moisture in the refrigerant circuit.
In order to ensure that moisture is completely
removed from the refrigerant circuit, the
dehydrator should be renewed and the
evacuation time should be extended to 2-3
hours. For further information
REFER to: Air Conditioning (A/C) System
Recovery, Evacuation and Charging
(412-00 Climate Control System - General
Information, General Procedures).
Sequence of A/C Request Signal
NOTE: The electronic automatic temperature
control (EATC) module is integrated into the air
conditioning control assembly.
NOTE: The generic electronic module (GEM) is
an integral part of the central junction box (CJB).
After actuating the A/C ON/OFF switch integrated
into the A/C control assembly, an A/C request
signal is sent from the A/C control assembly
(vehicles with EATC: EATC module) to the GEM.
From there, the signal is sent to the instrument
cluster via the MS-CAN bus. A gateway is installed
in the instrument cluster, which establishes the
connection between the MS-CAN bus and the
HS-CAN bus.
After the signal has been converted in the gateway,
it is relayed to the powertrain control module (PCM)
via the HS-CAN bus. Once all the required
parameters have been met, the PCM switches on
the refrigerant compressor and thus the A/C system
via the A/C clutch relay.
G1055878en2008.50 Kuga8/2011
412-00- 4
Climate Control System - General Information
412-00- 4
DIAGNOSIS AND TESTING
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Page 2038 of 2057

FORD KUGA 2011 1.G Workshop Manual Fault Memory Interrogation without
diagnostics unit - vehicles with
automatic temperature control
NOTE:On vehicles equipped with a DVD
navigation system with touchscreen, the fault
memory can only be

Fault Memory Interrogation without
diagnostics unit - vehicles with
automatic temperature control
NOTE:On vehicles equipped with a DVD
navigation system with touchscreen, the fault
memory can only be interrogated using the Ford
diagnostic tool.
The climate control and heating system features
a on-board diagnosis function which can detect
and store both current permanent faults as well as
intermittent faults which have occurred during
normal operation of the vehicle. It is also possible
to read out these faults via the display on the
control panel of the climate control system. To read
out the fault memory, the ignition key must be
turned to the "ON" position and the battery voltage
must be between 9 V and 16 V.
To activate the on-board diagnosis at the control
panel for the climate control system, PRESS the
"OFF" and "FOOTWELL" buttons simultaneously
for exactly 2 seconds, then PRESS "AUTO" within
1.5 seconds. The on-board diagnosis which then
starts lasts a few seconds. An animated display
appears in the display of the control panel for the
climate control system during this time. Any faults
found are displayed on both displays of the control
panel for the climate control system in the form of
trouble codes.
To read out saved errors at the control panel for
the climate control system, PRESS the "OFF" and
"FOOTWELL" buttons simultaneously for exactly
2 seconds, then PRESS "HEAD AREA" within 1.5
seconds. Any stored faults are shown on the
display of the control panel for the climate control
system and should be noted for safety reasons.
By PRESSING the "DEFROST" button, the fault
memory is cleared and diagnosis mode is ended.
To end the diagnostic mode without clearing the
DTCs, PRESS any other operating button on the
control panel for the climate control system.
To read out the software version at the control
panel for the climate control system, PRESS the
"OFF" and "FOOTWELL" buttons simultaneously
for exactly 2 seconds, then PRESS "A/C" within
1.5 seconds. The software version is shown on the
display of the control panel for the climate control
system. The output mode can be exited by
PRESSING any button on the control panel for the
climate control system.
Switch over from Celsius to Fahrenheit
The switch from Celsius to Fahrenheit is performed
on the display of the instrument cluster and is then
transmitted via the CAN bus to the module of the
two-zone air conditioning system.
G1034945en2008.50 Kuga8/2011
412-01- 11
Climate Control
412-01- 11
DESCRIPTION AND OPERATION
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FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL

Page 2052 of 2057

FORD KUGA 2011 1.G Workshop Manual Control assembly, climate control -
vehicles with automatic temperature
control
E97722
Vehicles with automatic temperature control have
a control assembly with the following button
operated functions:

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