2006 SUZUKI SX4 steering

Downloaded from www.Manualslib.com manuals search engine Heater and Ventilation: 7A-1
HVAC
Heater and Ventilation
General Description
Heater and Ventilation ConstructionS6RW0D7101001
NOTE
The figure shows left-hand steering vehicle. For right-hand steering vehicle, parts with (*) are installed
at the opposite side.

I6RW0C710001-02
A: Air flow 7. Defroster air 15. Rear duct (if equipped)
B: Water flow 8. Demister air 16. Foot duct
1. HVAC unit 9. Fresh air 17. Engine
2. Ventilator duct 10. Recirculation air 18. Radiator
3. Defroster duct and demister duct 11. Center ventilation air 19. Reservoir
4. Heater core 12. Air intake door 20. Temperature control door
5. Side ventilation air 13. Blower motor 21. Air flow control door
6. Foot air 14. Resistance board (non-A/C) or evaporator (A/C)

Downloaded from www.Manualslib.com manuals search engine Heater and Ventilation: 7A-7
HVAC Control Unit Removal and InstallationS6RW0D7106009
Removal
1) Disconnect negative (–) cable at battery.
2) Remove steering column hole cover from instrument
panel.
3) Remove audio unit from instrument panel referring to
“Audio Unit Removal and Installation (If Equipped) in
Section 9C”.
4) Remove driver side foot duct (1) from HVAC unit by
removing screw (2).
5) Disconnect temperature control cable (1) and air
flow control cable (2) from HVAC unit (3).
LH steering vehicleRH steering vehicle
6) Remove center garnish from instrument panel.
7) Remove HVAC control unit from instrument panel.
8) Disconnect connectors from HVAC control unit.
Installation
Reverse removal procedure noting the following
instructions.
• Connect temperature control cable and air flow control
cable of HVAC control unit to links of HVAC unit.
a. For LH steering vehicle, set airflow selector (1) to
“DEF” position and temperature selector (2) to
“MAX HOT” position.
For RH steering vehicle, set airflow selector (1) to
“VENT” position and temperature selector (2) to
“MAX COOL” position.
1
2
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F: Vehicle forward
I6RW0C710005-01
12I4RS0B710013-01
12I4RS0A710016-01

Downloaded from www.Manualslib.com manuals search engine 7A-8 Heater and Ventilation:
b. Move temperature control lever (1) to “MAX HOT”
position “a” (LH steering vehicle) or “MAX COOL”
position “b” (RH steering vehicle), then fix
temperature control inner cable (2) to pin of
temperature control lever and fix outer cable (3) to
cable lock clamp (4).
LH steering vehicle
RH steering vehiclec. Move air flow control plate (1) to “DEF” position “c”
(LH steering vehicle) or “VENT” position “d” (RH
steering vehicle), then fix air flow control inner
cable (2) to pin of air flow control plate and fix
outer cable (3) to cable lock clamp (4).
LH steering vehicle
RH steering vehicle
NOTE
After installing control cables, make sure that
control lever and plate move smoothly and
stop at proper position.

• Make sure that air flow outlet changes correctly as air
flow selector is changed.
F: Vehicle forward
I7RW01710013-02
I6RW0C710007-01
F: Vehicle forward
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I6RW0C710008-01

Downloaded from www.Manualslib.com manuals search engine Heater and Ventilation: 7A-9
Blower Speed Selector InspectionS6RW0D7106010
Check blower speed selector for each terminal to
terminal continuity. If check result does not meet the
following conditions, replace HVAC control unit.
Air Intake Selector InspectionS6RW0D7106011
• Check that there is continuity between terminal (1)
and terminal (2) when air intake selector is at “FRE”
position.
• Check that there is no continuity between terminal (1)
and terminal (2) when air intake selector is at “REC”
position.
If check result does not meet the above conditions,
replace HVAC control unit.
Air Intake Control Actuator Removal and
Installation
S6RW0D7106012
Removal
1) Disconnect negative cable from battery.
2) Remove glove box from instrument panel.
3) Remove passenger side foot duct (1) from HVAC
unit by removing screw (2). (LH steering vehicle
only.)
4) Disconnect connector (1) from air intake control
actuator (2).
5) Detach linkage rod (3) and remove air intake control
actuator (2) by removing screws (4).
IHMH
GNDLML
PositionTerminalI
OFF
1
2
3
4LMLMHHGND
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1
2
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1
2
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3
1
24I7RW01710016-02

Downloaded from www.Manualslib.com manuals search engine Heater and Ventilation: 7A-11
Center Ventilation Louver Removal and
Installation
S6RW0D7106014
Removal
1) Disconnect negative (–) cable from battery.
2) Remove audio unit from instrument panel referring to
“Audio Unit Removal and Installation (If Equipped) in
Section 9C”.
3) Remove center ventilation louver (1) with garnish (2)
from instrument panel, and then disconnect
connector from hazard switch.
NOTE
Garnish is fitted to instrument panel with six
clips. When removing garnish from
instrument panel, be careful not to break
them.

4) Separate center ventilation louver and garnish.
Installation
Reverse removal procedure.
Side Ventilation Louver Removal and
Installation
S6RW0D7106015
Removal
1) Remove instrument panel from vehicle body
referring to “Instrument Panel Removal and
Installation in Section 9C”
2) Remove steering support member (1), defroster
nozzle (2) and ventilator duct (3) from instrument
panel.3) Remove side ventilation louver (1) from instrument
panel while pressing clips (2).
Installation
Reverse removal procedure noting the following
instruction.
• Side ventilation louver is fitted to instrument panel
with four clips (1). When installing side ventilation
louver to instrument panel, position the smallest clip to
the top.
1
2
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3
12
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1
2
2
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1
1
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Downloaded from www.Manualslib.com manuals search engine Air Conditioning System: Manual Type 7B-7
Electronic Control System Components LocationS6RW0D7213002
NOTE
The figure shows left-hand steering vehicle. For right-hand steering vehicle, parts with (*) are installed
at the opposite side.

[A]
8*
9* 10*
11
1
5
7*
6
7*
12
13
14
1715
1642
3
I6RW0C721003-01
[A]: Junction block assembly viewed from relay side 6. Blower motor relay 12. Air intake selector
1. A/C refrigerant pressure sensor 7. Junction block assembly 13. Rear defogger switch
2. Compressor relay 8. Air intake actuator 14. Temperature selector
3. Condenser cooling fan relay 9. Blower motor 15. Blower speed selector
4. ECT sensor 10. Blower motor resistor 16. Air flow selector
5. Condenser cooling fan 11. HVAC control unit 17. A/C switch

Downloaded from www.Manualslib.com manuals search engine Air Conditioning System: Manual Type 7B-25
HVAC Unit ComponentsS6RW0D7216007
NOTE
The figure shows left-hand steering vehicle. For right-hand steering vehicle, parts with (*) are installed
at the opposite side.

1
10
1
9
8
25
25
3
20
3
19 19
19
24
24 21
4
23*27 15 16* 14
25*18*2
2526
17*1312 11
5*22
67
*
26
5*
I6RW0C721006-01
1. Blower upper case 8. Air intake control actuator 15. Evaporator 22. Temperature control door
assembly
2. Blower lower case 9. Air intake control link 16. Evaporator temperature sensor 23. Drain hose
3. Heater unit upper case 10. Air intake control door 17. Expansion valve 24. Cable lock clamp
4. Heater unit lower case 11. Blower motor 18. Expansion pipe 25. Packing
5. Foot duct 12. Blower motor cap 19. Air flow control lever 26. O-ring
: Apply compressor oil.
6. HVAC air filter (if equipped) 13. Blower motor resister 20. Air flow control door assembly 27. Resistance board (non-A/C)

Downloaded from www.Manualslib.com manuals search engine Air Conditioning System: Manual Type 7B-27
Installation
Reverse removal procedure noting the following
instructions.
• Replenish specified amount of compressor oil to
compressor suction side referring to “Replenishing
Compressor Oil” in “Operation Procedure for
Refrigerant Charge”.
• Install the padding (1) to the installation hole
uniformly.
• Evacuate and charge the A/C system referring to
“Evacuation” and “Charge” in “Operation Procedure
for Refrigerant Charge”.
• Refill cooling system with coolant referring to “Cooling
System Flush and Refill in Section 1F”.
• Adjust control cables referring to “HVAC Control Unit
Removal and Installation in Section 7A”. (vehicle with
manual type A/C)
Evaporator InspectionS6RW0D7216009
Check the followings.
• Clog of A/C evaporator fins.
If any clogs are found, A/C evaporator fins should be
washed with water, and then should be dried with
compressed air.
• A/C evaporator fins for leakage and breakage.
If any defects are found, repair or replace A/C
evaporator.
• A/C evaporator fittings for leakage.
If any defects are found, repair or replace A/C
evaporator.
Evaporator Temperature Sensor Removal and
Installation
S6RW0D7216010
Removal
1) Remove HVAC unit from vehicle body referring to
“HVAC Unit Removal and Installation”.
2) Remove evaporator temperature sensor (1) from
evaporator by (2) disassembling HVAC unit.
Installation
Reverse the removal procedure noting the following
instruction.
• Install evaporator temperature sensor (1) onto
evaporator (2) as shown.
LH steering vehicle
RH steering vehicle
1
I5RW0A721025-02
3. 138 ± 5 mm (3.3 ± 0.2 in.)
4. Sensor part fixed to 12th fin from pipe fitting side
5. Holding part fixed to 13th fin from pipe fitting side
6. Pipe fitting
1
2
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5
4
6 1
2
3I7RW01721026-01
1
5
642
3
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