spring FORD KUGA 2011 1.G Manual PDF

Speed Control – System Operation and Component Description
System Diagram
E96584
1
2
34
6
78910
11
12
13
5
Description
Item
Control switch units - Cruise controlRefer to Component Description: Speed
controlswitches(page6)
1
Steering wheel module
Comments:Contains the coil spring
2
GEM (generic electronic module)
3Description
Item
Instrument cluster
4
VSS (vehicle speed sensor)
5
ABS (anti-lock brake system) module
6
TCM (transmission control module)
Comments:Vehicles with automatic transaxle.
7
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3
Speed Control
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DESCRIPTION AND OPERATION
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• Parking brake switch.– The parking brake switch is hard-wired to theGEM. The parking brake switch sends a
signal to the GEM when the parking brake is
operated. The GEM activates the parking
brake indicator lamp in the instrument cluster.
If the parking brake indicator lamp is lit,
cruise control cannot be activated.
• Back-up light switch – The backup lamp switch is hard-wired to the GEM. The backup lamp switch sends a signal
to the GEM when reverse gear is engaged.
The GEM activates the reversing lamp.
Cruise control cannot be activated when
reverse gear is engaged.
Component Description
Speed control switches
E103768
3
4
5
1
2
Description
Item
"ON" button
Comments:
1
"OFF" button
2Description
Item
"RES" button
3
"SET+" button
4
"SET-" button
5
The cruise control buttons are non-locking push
buttons. They are connected to the coil spring via
a hard-wired 9-pin plug connection.
The cruise control buttons operate according to
the resistance bridge circuit principle. The buttons
receive a 5 Volt reference voltage. When operated,
each button passes a particular voltage to the
GEM. The GEM measures this voltage and from
it determines which button has been pressed.
The operation of the cruise control buttons can be
checked by a simple measurement of the
resistance between pin 4 and pin 5 at the coil
spring 9-pin connector. A change of resistance
must occur when a button is pressed.
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Speed Control
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DESCRIPTION AND OPERATION
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Speed Control
Inspection and Verification
1. Verify the customer concern by operating thesystem.
2. Visually inspect for obvious signs of mechanical or electrical damage.
Visual Inspection Chart
Electrical
Mechanical
– Fuse(s)
– Connections
– Wiring harness
– Clockspring
– Loose or corrodedelectrical
connector(s)
– Speed control switch
– Brake pedal position (BPP) deactivation
switch
– Clutch pedal posi- tion (CPP) deactiva-
tion Switch
– Powertrain control module (PCM)
– Central junction box (CJB)
– Brake pedal
– Clutch pedal
3. NOTE: Not all passenger junction box (PJB) variants support the speed control system.
NOTE: If the PJB is configured for speed control
disable, speed control operation is not transmitted,
no Diagnostic Trouble Codes (DTCs) are
generated.
If an obvious cause for an observed or reported
concern is found, correct the cause (if possible)
before proceeding to the next step.
4. If the cause is not visually evident, verify the symptom and refer to the diagnostic tab within
the Ford approved diagnostic tool.
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Speed Control
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DIAGNOSIS AND TESTING
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SECTION 412-00 Climate Control System - General
Information
VEHICLE APPLICATION:2008.50 Kuga
PA G E
CONTENTS
SPECIFICATIONS
412-00-2
Specifications ........................................................................\
..............................................
DIAGNOSIS AND TESTING 412-00-3
Climate Control System ........................................................................\
..............................
412-00-3
Inspection and Checking ........................................................................\
............................
412-00-3
Refrigerant Circuit - Quick Check ........................................................................\
...............
412-00-4
Sequence of A/C Request Signal ........................................................................\
...............
GENERAL PROCEDURES 412-00-6
Air Conditioning (A/C) System Flushing ........................................................................\
.....
412-00-7
Air Conditioning (A/C) System Recovery, Evacuation and Charging .................................
412-00-9
Spring Lock Coupling ........................................................................\
..................................
412-00-11
Air Conditioning (A/C) Clutch Air Gap Adjustment .............................................................
412-00-12
Refrigerant Oil Adding ........................................................................\
................................
412-00-13
Contaminated Refrigerant Handling ........................................................................\
...........
412-00-14
Electronic Leak Detection ........................................................................\
...........................
412-00-15
Fluorescent Dye Leak Detection ........................................................................\
................
412-00-16
Vacuum Leak Detection ........................................................................\
..............................
412-00-1
Climate Control System - General Information
412-00- 1
.
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Spring Lock Coupling
Special Tool(s)412-026
Disconnect Tool, Spring Lock
Coupling (3/8" red)
23023A
412-027
Disconnect Tool, Spring Lock
Coupling (1/2" blue)
34001
412-038
Disconnect Tool, Spring Lock
Coupling (5/8" black)
34003
412-069
Disconnect Tool, Spring Lock
Coupling (3/4" white)
34002
Materials
Specification
Name
WSH-M1C231-B /
6U7J-M1C231-AA
Compressor Oil - Air
Conditioning 1.
Refer to: Air Conditioning (A/C) System Health
and Safety Precautions (100-00 General
Information, Description and Operation).
2. NOTE: Choose the special tool according to the
line diameter.
Special Tool(s): 412-026, 412-027, 412-038,
412-069
E68499
3.
E68500
4. CAUTION: Make sure that all openings are sealed.
E68501
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Climate Control System - General Information
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GENERAL PROCEDURES
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5. CAUTION: Make sure that all openingsare sealed.
• Check the locking spring for damage.
• Carefully remove damaged locking springswith a thin wire, and renew them.
E68502
6.Install new refrigerant line O-rings.
E68523
7. CAUTION: Never lubricate connections
and O-rings with mineral oil.
Coat the O-rings for the refrigerant line with
clean refrigerant oil.
Material: Compressor Oil - Air Conditioning(WSH-M1C231-B / 6U7J-M1C231-AA)
refrigerant oil
8.
E68503
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Climate Control System - General Information
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GENERAL PROCEDURES
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Fluorescent Dye Leak Detection
General EquipmentUV Leak Detector
1. Refer to: Air Conditioning (A/C) System Health
and Safety Precautions (100-00 General
Information, Description and Operation).
2. NOTE: Some vehicles may have signs of
refrigerant oil at the spring lock couplers. The
cause of this may be a procedure used in
production before installation of the fittings in
order to assist their assembly. When a spring
lock coupler is suspected of leaking, always
wipe the fitting clean and verify the leak with
R-134a Automatic Calibration Halogen Leak
Detector.
NOTE: The exact location of leaks can be
pinpointed by the bright yellow - green glow of
the tracer dye. Since more than one leak can
exist, always inspect each component.
• Locate the leaks. Check all components, fittings and lines of the A/C system for leaks.
General Equipment: UV Leak Detector
3. After the leak is found and rectified, remove any
traces of dye with a general purpose solvent.
4. Check the repair by operating the system for
some minutes and inspecting with the UV lamp
again.
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Climate Control System - General Information
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GENERAL PROCEDURES
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permitted, the high-pressure switch turns off the
refrigerant compressor.
The compressor on-off cycle is controlled by the
dual pressure switch depending on the pressure
in the refrigerant accumulator. The dual pressure
switch turns the refrigerant compressor off
permanently if the pressure falls below a permitted
value (e.g. if there is a leak).
Component Description
Air conditioning compressor
E100826
The special feature of a compressor with variable
swash plate is that the stroke of the pistons can
be varied by means of the variable swash plate.
The swash plate is mounted on a slide rail in the
axial direction.
The piston stroke and thus the delivery rate are
determined by means of the variable obliqueness
of the swash plate.
The obliqueness of the swash plate is dependent
upon the chamber pressure and thus on the
pressure conditions at the top and bottom of the
piston. This is supported by springs in front of and
behind the swash plate.
The chamber pressure is determined by the high
and low pressure applied to the control valve and
by a calibrated orifice bore. If the low pressure is
relatively high, the control valve is opened and the
chamber pressure is reduced.
If the low pressure is relatively low, the control
valve is closed and the chamber pressure is
increased. The force due to the chamber pressure
exerted on the piston bottom, is higher than the
sum of the force due to the low pressure on the
piston top and the spring force.
Pollen filter
E97720
The fresh air flowing into the vehicle through the
air inlet housing passes through a pollen filter which
is located on the left-hand side of the climate
control housing (LHD and RHD) and removes
pollen and dust particles measuring 0.003 mm or
more.
Control assembly, climate control -
vehicles with manual temperature control
E97721
In vehicles with manual temperature control, the
heating and air conditioning are operated using
three rotary switches. The air distribution flaps are
actuated via the air distribution flap/temperature
control flap actuating unit, which is connected via
a rod to the control assembly for the climate
control. The temperature control flap is also
actuated via the air distribution flap/temperature
control flap actuating unit, which is connected via
a cable to the control assembly. In addition, the
operating switch for recirculated air mode and the
on/off switch for the air conditioning are located on
the control assembly.
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Climate Control
412-01- 24
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