HEATER AND VENTILATION 1A-1
6F1
6F2
6G
1A
6K
7A
7A1
7B1
7C1
7D
7E
7F
8A
8B
8C
8D
8E
9
10
10A
10B
SECTION 1A
HEATER AND VENTILATION
CONTENTS
GENERAL DESCRIPTION .............................. 1A-2
DIAGNOSIS ..................................................... 1A-3
DIAGNOSIS TABLE ..................................... 1A-3
WIRING CIRCUIT ........................................ 1A-4
ON-VEHICLE SERVICE .................................. 1A-5
HEATER UNIT ............................................. 1A-5BLOWER FAN MOTOR ............................... 1A-7
BLOWER FAN MOTOR RESISTOR ........... 1A-8
HEATER CONTROL ASSEMBLY ............... 1A-9
AIR INLET BOX ......................................... 1A-12
VENTILATION LOUVER............................ 1A-13
REQUIRED SERVICE MATERIALS ............. 1A-14
WARNING:
For vehicles equipped with Supplement Restraint (Air Bag) System
Service on and around the air bag system components or wiring must be performed only by an
authorized SUZUKI dealer. Refer to “Air Bag System Components and Wiring Location View” under
“General Description” in Section 10B in order to confirm whether you are performing service on or
near the air bag system components or wiring. Please observe all WARNINGS and “Service Precau-
tions” under “On-Vehicle Service” in Section 10B before performing service on or around the air
bag system components or wiring. Failure to follow WARNINGS could result in unintentional activa-
tion of the system or could render the system inoperative. Either or these two conditions may result
in severe injury.
Technical service work must be started at least 90 seconds after the ignition switch is turned to the
“LOCK” position and the negative cable is disconnected from the battery. Otherwise, the system
may be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
NOTE:
The link mechanism of the heater varies depending on the specifications.
1A-8 HEATER AND VENTILATION
BLOWER FAN MOTOR RESISTOR
REMOVAL
1) Disconnect negative (–) cable at battery.
2) Disconnect blower fan motor resistor coupler.
3) Remove blower fan motor resistor (1) as shown.
INSPECTION
Measure each terminal-to-terminal resistance on resistor
If measured resistance is incorrect, replace blower motor resistor.
Blower fan motor resistor resistance
H–MH : approximately 0.5
Ω
ΩΩ Ω at 25°C (77°F)
H–ML : approximately 1.5
Ω
ΩΩ Ω at 25°C (77°F)
H–L : approximately 3.0
Ω
ΩΩ Ω at 25°C (77°F)
INSTALLATION
Reverse removal procedure for installation.
CAUTION:
When the heater unit is disassembled and reassembled,
locking force of the heater case lock may reduce. In such
a case, tighten the heater case with a tapping screw (1) of
M4 x L16 as shown in the figure, or air may leak from its
joint section.
1
HEATER AND VENTILATION 1A-9
HEATER CONTROL ASSEMBLY
REMOVAL
1) Disconnect negative (–) cable at battery.
2) Remove steering column hole cover.
3) Remove heater control knob (1), center upper garnish (2),
center lower garnish (3) and glove box.
4) Disconnect air outlet control (3), temperature control (2) and
fresh air control (1) cables.
5) Remove heater control assembly (1), and then disconnect
blower fan switch connector (2) after unlock locking part (3)
as shown.
1. Heater control assembly 3. A/C switch LED (if equipped) 5. Fresh air control cable 7. Temperature control cable
2. A/C switch knob (if equipped) 4. Bulb 6. Air outlet control cable 8. Heater control knob
AIR CONDITIONING (OPTIONAL) 1B-1
6F1
6F2
6G
1B
7A
7A1
7B1
7C1
7D
7E
7F
8A
8B
8C
8D
8E
9
10
10A
10B
SECTION 1B
AIR CONDITIONING (OPTIONAL)
CONTENTS
GENERAL DESCRIPTION .............................. 1B-3
REFRIGERANT CIRCULATION .................. 1B-3
REFRIGERANT TYPE ................................. 1B-3
MAJOR COMPONENTS AND
LOCATION ................................................... 1B-4
DIAGNOSIS ..................................................... 1B-5
GENERAL DIAGNOSIS TABLE ................... 1B-5
ABNORMAL NOISE DIAGNOSIS ................ 1B-7
QUICKLY CHECKING OF REFRIGERANT
CHARGE ...................................................... 1B-9
PERFORMANCE DIAGNOSIS .................. 1B-10
PERFORMANCE DIAGNOSIS TABLE .. 1B-12
DETAIL DIAGNOSIS TABLE (AMBIENT
TEMPERATURE AT 30°C (86°F)) ......... 1B-13
COMPRESSOR DRIVE BELT ................... 1B-15ELECTRICAL DIAGNOSIS ........................... 1B-16
WIRING DIAGRAM .................................... 1B-16
A/C SYSTEM INSPECTION OF ECM AND
ITS CIRCUITS ........................................... 1B-17
REFRIGERANT RECOVERY, EVACUATING
AND CHARGING........................................... 1B-20
OPERATION PROCEDURE FOR
REFRIGERANT CHARGING ..................... 1B-20
RECOVERY ............................................... 1B-21
REPLENISHING COMPRESSOR OIL ...... 1B-21
EVACUATING............................................ 1B-22
EVACUATING PROCEDURE ................ 1B-22
CHECKING SYSTEM FOR PRESSURE
LEAKS.................................................... 1B-23
CHARGING................................................ 1B-24
CHARGING PROCEDURE .................... 1B-24 WARNING:
For vehicles equipped with Supplemental Restraint (Air Bag) System :
Service on and around the air bag system components or wiring must be performed only by an
authorized SUZUKI dealer. Refer to “Air Bag System Components and Wiring Location View” under
“General Description” in air bag system section in order to confirm whether you are performing ser-
vice on or near the air bag system components or wiring. Please observe all WARNINGS and “Ser-
vice Precautions” under “On-Vehicle Service” in air bag system section before performing service
on or around the air bag system components or wiring. Failure to follow WARNINGS could result in
unintentional activation of the system or could render the system inoperative. Either of these two
conditions may result in severe injury.
Technical service work must be started at least 90 seconds after the ignition switch is turned to the
“LOCK” position and the negative cable is disconnected from the battery. Otherwise, the system
may be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
CAUTION:
The air conditioning system of this vehicle uses refrigerant HFC-134a (R-134a).
None of refrigerant, compressor oil and component parts is interchangeable between two types of
A/C : one using refrigerant HFC-134a (R-134a) and the other using refrigerant CFC-12 (R-12).
Be sure to check which refrigerant is used before any service work including inspection and mainte-
nance. For identification between these two types, refer to “REFRIGERANT TYPE” in this section.
When replenishing or changing refrigerant and compressor oil and when replacing parts, make sure
that the material or the part to be used is appropriate to the A/C installed in the vehicle being serviced.
Use of incorrect one will result in leakage of refrigerant, damage in parts or other faulty condition.
NOTE:
For basic servicing method of the air conditioning system that is not described in this section, refer to
“AIR CONDITIONING BASIC MANUAL (Part number : 99520-02130)”.
AIR CONDITIONING (OPTIONAL) 1B-23
1) Connect high charging hose (1) and low charging hose (2) of
manifold gauge set (3) respectively as follows :
High charging hose (1) → High pressure charging valve (4)
on condenser outlet pipe
Low charging hose (2) → Low pressure charging valve (5)
on suction pipe
2) Attach center charging hose (6) of manifold gauge set (3) to
vacuum pump (7).
3) Operate vacuum pump (7), and then open discharge side
valve (Hi) (8) of manifold gauge set (3).
If there is no blockage in the system, there will be an indica-
tion on high pressure gauge (9).
In this case, open the other side valve (Lo) (10) of the set
and repair the system.
4) Approximately 10 minutes later, low pressure gauge (11)
should show a vacuum lower than –760 mmHg providing no
leakage exists.
5) Evacuation should be carried out for a total of at least 15
minutes.
6) Continue evacuation until low pressure gauge (9) indicates a
vacuum less than –760 mmHg, and then close both valves
(8), (10).
7) Stop vacuum pump (7). Disconnect center charging hose (6)
from pump inlet. Now, the system is ready for charging
refrigerant.
CHECKING SYSTEM FOR PRESSURE LEAKS
After completing the evacuation, close manifold gauge high pres-
sure valve and low pressure valve and wait 10 minutes. Verify
that low pressure gauge reading has not changed.NOTE:
If the system does not show a vacuum below –760
mmHg, close both valves, stop vacuum pump and
watch movement of low pressure gauge.
Increase in the gauge reading suggests existence of
leakage. In this case, repair the system before continu-
ing its evacuation.
If the gauge shows a stable reading (suggesting no
leakage), continue evacuation.
CAUTION:
If the gauge reading moves closer to “0”, there is a leak
somewhere. Inspect the tubing connections, make nec-
essary corrections, and evacuate system once again,
making sure that there are no leaks.
AIR CONDITIONING (OPTIONAL) 1B-25
7) When refrigerant container (1) is emptied, use the following
procedure to replace it with a new refrigerant container (1).
a) Close low pressure valve.
b) Replace empty container (1) with a refrigerant container
which has been charged with refrigerant. When using
refrigerant container tap valve (2), use the following proce-
dure for replacement.
i) Retract needle (3) and remove refrigerant container tap
valve (2) by loosening its plate nut (4).
ii) Install previously-removed refrigerant container tap valve
(2) to a new refrigerant container (1).
c) Purge any air existing in center charging hose
When using refrigerant container tap valve, use the follow-
ing procedure to purge air.
i) Once fully tighten refrigerant container tap valve (1), and
then loosen (open) plate nut (2) slightly.
ii) Open low pressure side valve (3) of manifold gauge set
(4) a little.
iii) As soon as refrigerant comes out with a “hiss” through a
clearance between refrigerant container and tap valve,
tighten plate nut (2) as well as low pressure side valve (3).
iv) Turn handle of tap valve (1) clockwise so that its needle is
screwed into the new container to make a hole for refriger-
ant flow.
8) After the system has been charged with specified amount
(330 – 390 g) of refrigerant or when low pressure gauge (1)
and high pressure gauge (2) have indicated the following
specified amount, close low pressure side valve (3) on mani-
fold gauge set (4). At this time, look into the sight glass (5) of
condenser outlet pipe (6) and check that there are no bub-
bles (7) in it, which means that the system is fully charged.
Low side and high side pressure example
Gauges should read as follows when ambient tempera-
ture is 30°C (86 °F).
Pressure
on high pressure gauge1400 – 1750 kPa
14.0 – 17.5 kg/cm
2
199.1 – 248.9 psi
Pressure
on low pressure gauge230 – 350 kPa
2.3 – 3.5 kg/cm
2
32.7 – 49.8 psi
STEERING, SUSPENSION, WHEELS AND TIRES 3-5
TIRE DIAGNOSIS
IRREGULAR AND/OR PREMATURE WEAR
Irregular and premature wear has many causes. Some of them
are: incorrect inflation pressures, lack of tire rotation, driving hab-
its, improper alignment.
If the following conditions are noted, rotation is necessary:
Front tire wear is different from rear.
Uneven wear exists across the tread of any tire.
Front tire wear is unequal between the right and left.
Rear tire wear is unequal between the right and left.
There is cupping, flat spotting, etc.
A wheel alignment check is necessary if following conditions are
noted:
Front tire wear is unequal between the right and left.
Wear is uneven across the tread of any front tire.
Front tire treads have scuffed appearance with “feather”
edges on one side of tread ribs or blocks.
WEAR INDICATORS
Original equipment tires have built-in tread wear indicators (1) to
show when they need replacement.
These indicators (1) will appear as 12 mm (0.47 in) wide bands
when the tire tread depth becomes 1.6 mm (0.063 in).
When the indicators (1) appear in 3 or more grooves at 6 loca-
tions, tire replacement is recommended.NOTE:
*1: Right-to-left trim height (“H”) difference should be
within 15 mm (0.6 in.) with curb weight. (same with rear
side.)
“H”
[A] : Hard Cornering, under inflation or lack of tire rotation
[B] : Incorrect wheel alignment, tire construction not uniform or wheel heavy acceleration
FRONT END ALIGNMENT 3A-3
DIAGNOSIS
DIAGNOSIS TABLE
For the details, refer to Section 3.
PRELIMINARY CHECKS PRIOR TO ADJUSTING FRONT ALIGNMENT
Steering and vibration complaints are not always the result of improper alignment. An additional item to be
checked is the possibility of tire lead due to worn or improperly manufactured tires. “Lead” is the deviation of the
vehicle from a straight path on a level road without hand pressure on the steering wheel. Procedure for deter-
mining the presence of a tire lead problem contains in SECTION 3. Before making any adjustment affecting toe
setting, the following checks and inspections should be made to ensure correctness of alignment readings and
alignment adjustments:
1) Check all tires for proper inflation pressures and approximately the same tread wear.
2) Check for loose of ball joints. Check tie rod ends; if excessive looseness is noted, it must be corrected
before adjusting.
3) Check for run-out of wheels and tires.
4) Check vehicle trim heights; if out of limits and a correction is to be made, it must be made before adjusting
toe.
5) Check for loose of suspension arms.
6) Check for loose or missing stabilizer bar attachments.
7) Consideration must be given to excess loads, such as tool boxes. If this excess load is normally carried in
vehicle, it should remain in vehicle during alignment checks.
8) Consider condition of equipment being used to check alignment and follow manufacturer's instructions.
9) Regardless of equipment used to check alignment, vehicle must be on a level surface both fore and aft and
transversely.
TOE ADJUSTMENT
1) Loosen right and left tie rod end lock nuts (1) first.
2) Rotate right and left tie rods (2) by the same amount to align
toe-in to specification. In this adjustment, right and left tie
rods (2) should become equal in length “A”.
3) After adjustment, tighten lock nuts (1) to specified torque.
Tightening torque
Tie rod end lock nuts (a) : 45 N·m (4.5 kg-m, 32.5 lb-ft) NOTE:
Before rotating tie rods (2), apply grease between tie
rods and rack boots so that boots won't be twisted.
NOTE:
Make sure that rack boots are not twisted.