Downloaded from www.Manualslib.com manuals search engine Air Conditioning System: Manual Type 7B-9
Abnormal Noise Symptom Diagnosis of A/C SystemS7RS0B7214002
Abnormal Noise from Compressor
Abnormal Noise from Magnetic Clutch
Abnormal Noise from Tubing
Abnormal Noise from Condenser Assembly
Abnormal Noise from Crankshaft PulleyInsufficient airflow of
cooled air
A/C evaporator clogged or frosted
Check A/C evaporator and evaporator
thermistor (evaporator temperature sensor)
referring to “Evaporator Inspection” and
“Evaporator Thermistor (Evaporator
Temperature Sensor) Inspection”.
Air leaking from HVAC unit or air duct Repair as necessary.
Blower motor faulty Check blower motor referring to “Blower Motor
Inspection in Section 7A”.
Wiring or grounding faulty Repair as necessary.
Condition Possible cause Correction / Reference Item
Condition
Possible cause Correction / Reference Item
During compressor
operation, a rumbling
noise is heard
proportional to engine
revolutions Inadequate clearance in scroll area
Replace compressor.
A loud noise is heard at a
certain rpm,
disproportionately to
engine revolution Loose or faulty compressor drive belt
Adjust drive belt tension or replace drive belt.
Loose compressor mounting bolts Retighten mounting bolts.
A loud rattle is heard at
low engine rpm Loose compressor clutch plate bolt
Retighten clutch plate bolt.
Replace compressor if it was operated in this
condition for a long time.
Condition Possible cause Correction / Reference Item
A rumbling noise is heard
when compressor is not
in operation Worn or damaged bearings
Replace magnet clutch assembly.
A chattering noise is
heard when compressor
is in operation Faulty magnet clutch clearance
(excessive clearance)
Adjust magnet clutch clearance.
Worn magnet clutch friction surface Replace magnet clutch assembly.
Compressor oil leaked from shaft seal,
contaminating the friction surface Replace compressor body assembly.
Condition
Possible cause Correction / Reference Item
A droning noise is heard
from inside of the vehicle,
but not particularly
noticeable in engine
compartment Faulty tubing clamps
Reposition clamps or increase the number of
clamps.
Resonance caused by pulsation from
variations in re frigerant pressure Attach a silencer to tubing, or modify its
position and length.
Condition
Possible cause Correction / Reference Item
Considerable vibration in
condenser assembly Resonance from condenser assembly
bracket and body Firmly insert a silenc
er between condenser
assembly bracket and body.
Condition Possible cause Correction / Reference Item
A large rattling noise is
heard at idle or sudden
acceleration Loosen crankshaft pulley bolt
Retighten bolt.
Downloaded from www.Manualslib.com manuals search engine 7B-26 Air Conditioning System: Manual Type
Expansion Valve Removal and InstallationS7RS0B7216010
Removal1) Recover refrigerant fr om the A/C system with
recovery and recycling equipment referring to
“Recovery” in “Operation Procedure for Refrigerant
Charge”.
2) Loosen a bolt (1) and remove pipes from expansion valve (2).
3) Loosen bolts (3) and remove expansion valve.
Installation
Reverse removal procedure noting the following
instructions.
• Apply compressor oil to O-ring of expansion valve and pipes.
• Evacuate and charge the A/C system referring to “Evacuation” and “Charge” in “Operation Procedure
for Refrigerant Charge”.
Tightening torque
Expansion valve mount bolt: 3.5 N·m (0.35 kgf-m,
2.5 lb-ft)
Expansion Valve InspectionS7RS0B7216011
Refer to “A/C System Performance Inspection”.
A/C Refrigerant Pressure Sensor and Its Circuit
Inspection
S7RS0B7216012
1) Disconnect A/C refrigerant pressure sensor connector.
2) Turn ignition switch to ON position.
3) Check if voltage between “RED” wire terminal and “ORN” wire terminal of A/C refrigerant pressure
sensor connector is 4.75 V to 5.25 V.
If not, check A/C refrigerant pressure sensor circuit.
4) Connect A/C refrigerant pressure sensor connector with ignition switch turned OFF.
5) Connect manifold gauge set to the charging valves.
6) Check A/C refrigerant pressure sensor voltage of ECM connector referring to “A/C System Inspection
at ECM”.
If voltage is not as specified below, replace A/C
refrigerant pressure sensor. A/C refrigerant pressure sensor voltage
specifications (A/C refrigerant pressure measured
by manifold gauge)
0.8 MPa (8.0 kg/cm2, 116 psi): 1.46 – 1.71 V
1.4 MPa (14 kg/cm2, 203 psi): 2.28 – 2.53 V
1.6 MPa (16 kg/cm2, 232 psi): 2.55 – 2.80 V
1.8 MPa (18 kg/cm2, 261 psi): 2.82 – 3.03 V
A/C Refrigerant Pressure Sensor Removal and
Installation
S7RS0B7216013
Removal
1) Recover refrigerant from the A/C system with the recovery and recycling equipment referring to
“Recovery” in “Operation Procedure for Refrigerant
Charge”.
2) Disconnect negative (–) cable from battery.
3) Disconnect A/C refrigerant pressure sensor connector.
4) Remove A/C refrigerant pressure sensor (1) from liquid pipe (2).
Installation
Reverse removal procedure noting the following
instructions.
• Apply compressor oil to O-ring of A/C refrigerant
pressure sensor.
• Tighten A/C refrigerant pressure sensor to specified torque.
Tightening torque
A/C refrigerant pressure sensor (a): 11 N·m (1.1
kgf-m, 8.0 lb-ft)
• Evacuate and charge the A/C system referring to “Evacuation” and “Charge” in “Operation Procedure
for Refrigerant Charge”.
1
2 2
3
I4RS0A720028-01
1 2I4RS0A720029-01
(a)I4RS0A720031-01
Downloaded from www.Manualslib.com manuals search engine 7B-32 Air Conditioning System: Manual Type
Relief Valve Removal and InstallationS7RS0B7216030
Removal1) Recover refrigerant fr om the A/C system with
recovery and recycling equipment referring to
“Recovery” in “Operation Procedure for Refrigerant
Charge”.
2) Remove relief valve (1) from compressor (2). Installation
Reverse removal procedure nothing the following
instructions.
• Use new O-ring.
• Apply compressor oil to O-ring.
• Tighten relive valve to the specified torque.
Tightening torque
Relief valve (a): 8 N·m (0.8 kgf-m, 6.0 lb-ft)
• Evacuate and charge the A/C system referring to “Evacuation” and “Charge” in “Operation Procedure
for Refrigerant Charge”.
Specifications
Tightening Torque SpecificationsS7RS0B7217001
NOTE
The specified tightening torque is also described in the following.
“Compressor Assembly Components”
Reference:
For the tightening torque of fastener not specified in this section, refer to “Fasteners Information in Section 0A”.
12I4RS0A720048-01
(a)I4RS0A720049-01
Fastening part
Tightening torque
Note
N ⋅mkgf-mlb-ft
Receiver/dryer bolt 10 1.0 7.5 )
Expansion valve mount bolt 3.5 0.35 2.5 )
A/C refrigerant pressure sensor 11 1.1 8.0 )
Armature plate bolt 15 1.5 11.0 )
Relief valve 8 0.8 6.0 )
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Special Tools and Equipment
Recommended Service MaterialS7RS0B7218001
NOTE
Required service material is also described in the following.
“Precautions on Servicing A/C System”
Special ToolS7RS0B7218002
Material SUZUKI recommended product or Specification Note
Compressor oil MATSUSHITADEN KI GU10 P/No.: 99000–99015–
00A )
/ )
Silicon sealant SUZUKI SILICON SEALANT KE-
347W (100g) P/No.: 99000–34220
)
09900–06107 09990–86012
Snap ring pliers (opening
type) Gas leak detector
) / ) / ) / ) This kit includes following
items. 1. Gas leak detector,
2. Instruction manual, 3.
Filter, 4. Sensor, 5. Dri-sell
battery (size D) ) / )
09991–06310
Armature plate holder
) / )
1 2
3 4
5
Downloaded from www.Manualslib.com manuals search engine Air Conditioning System: Automatic Type 7B-41
Cool air does not come
out or insufficient cooling
(A/C system normal
operation)Insufficient or excessive charge of
refrigerant
Check the amount of refrigerant and system
for leaks.
Condenser clogged Check condenser referring to “Condenser
Assembly On-Vehicle Inspection”.
A/C evaporator clogged or frosted Check A/C evaporator and evaporator
temperature sensor referring to “Evaporator
Inspection” and “Evaporator Thermistor
(Evaporator Temperature Sensor) Inspection”.
Evaporator temperature sensor faulty Check evaporator temperature sensor
referring to “Evaporator Thermistor
(Evaporator Temperature Sensor) Inspection”.
Expansion valve faulty Check expansion valve referring to “Expansion
Valve Inspection”.
Desiccant clogged Replace receiver/dryer.
Compressor drive belt loosened or
broken Adjust or replace drive belt.
Magnet clutch faulty Check magnet clutch. Referring to “Magnet
Clutch Inspection”.
Compressor faulty Check compressor.
Air in A/C system Replace receiver/dryer, and then perform
evacuation and charge referring to “Operation
Procedure for Refrigerant Charge”.
Air leaking from HVAC unit or air duct Repair as necessary.
Heater and ventilation system faulty Check HVAC unit.
Temperature selector faulty Check temperature selector referring to
“Inspection of HVAC Control Module and Its
Circuit”.
HVAC control module faulty Check HVAC control module referring to
“Inspection of HVAC Control Module and Its
Circuit”.
Temperature control actuator faulty Check temperature control actuator referring to
“Temperature Control Actuator Inspection”.
Blower motor faulty Check blower motor referring to “Blower Motor
Inspection in Section 7A”.
Excessive compressor oil in A/C system Drain excessive compressor oil from A/C
system circuit and compressor.
Cool air does not come
out only intermittently Wiring connection faulty
Repair as necessary.
Expansion valve faulty Check expansion valve referring to “Expansion
Valve Inspection”.
Excessive moisture in A/C system Replace receiver/dryer, and then perform
evacuation and charge referring to “Operation
Procedure for Refrigerant Charge”.
Magnet clutch faulty Check magnet clutch. Referring to “Magnet
Clutch Inspection”.
Excessive amount of refrigerant Check the amount of refrigerant.
Cool air comes out only at
high speed Condenser clogged
Check condenser referring to “Condenser
Assembly On-Vehicle Inspection”.
Insufficient charge of refrigerant Check the amount of refrigerant and system
for leaks.
Air in A/C system Replace receiver/dryer, and then perform
evacuation and charge referring to “Operation
Procedure for Refrigerant Charge”.
Compressor drive belt loosened or
broken Adjust or replace drive belt.
Compressor faulty Check compressor.
Condition Possible cause Correction / Reference Item
Downloaded from www.Manualslib.com manuals search engine 8-ii Table of Contents
DTC B1062 / B1066: Driver / Passenger Side-Air Bag Initiator Circuit Resistance Low .......... 8B-67
DTC B1063 / B1067: Driver / Passenger Side- Air Bag Initiator Circuit S hort to Ground .......... 8B-70
DTC B1064 / B1068: Driver / Passenger Side- Air Bag Initiator Circu it Short to Power
Circuit .............................................................. 8B-73
DTC B1071: Forward-Sensor Performance Problem ........................................................... 8B-76
DTC B1072: Forward-Sensor Communication Error ................................................................ 8B-76
DTC B1073: Forward-Sensor Circuit Short to Ground ............................................................ 8B-76
DTC B1074: Forward-Sensor Circuit Short to Power Circuit or Open ..................................... 8B-78
DTC B1081 / B1091: Driver / Passenger Side- Sensor Performance Probl em ......................... 8B-80
DTC B1082 / B1092: Driver / Passenger Side- Sensor Communication Erro r .......................... 8B-80
DTC B1083 / B1093: Driver / Passenger Side- Sensor Circuit Short to Ground ....................... 8B-80
DTC B1084 / B1094: Driver / Passenger Side- Sensor Circuit Short to Power Circuit or
Open ............................................................... 8B-81
DTC B1085 / B1095: Wrong Side-Sensor (Driver Side / Passenger) ID ........................... 8B-83
DTC B1361 / B1365: Driver / Passenger Side Curtain-Air Bag Initiator Circuit Resistance
High ................................................................. 8B-84
DTC B1362 / B1366: Driver / Passenger Side Curtain-Air Bag Initiator Circuit Resistance
Low ................................................................. 8B-86
DTC B1363 / B1367: Driver / Passenger Side Curtain-Air Bag Initiator Circuit Short to
Ground ............................................................ 8B-88
DTC B1364 / B1368: Driver / Passenger Side Curtain-Air Bag Initiator Circuit Short to
Power Circuit ................................................... 8B-90
Contact Coil Cable and Its Circuit Check .......... 8B-93 Inspection of Intermittent and Poor
Connections .................................................... 8B-95
Repair and Inspection Required after Accident .......................................................... 8B-96
Repair Instructions ............ ................................8B-98
Disabling Air Bag System.................................. 8B-98
Enabling Air Bag System .................................. 8B-99
SDM Removal and Installation ........................ 8B-100
SDM Inspection ............................................... 8B-101
Driver Air Bag (Inflato r) Module Removal and
Installation ..................................................... 8B-101
Driver Air Bag (Inflator) Module Inspection ..... 8B-103
Passenger Air Bag (Inflator) Module Removal and Installation .............................................. 8B-103
Passenger Air Bag (I nflator) Module
Inspection ...................................................... 8B-105
Side-Air Bag (Inflator) Module Removal and
Installation ..................................................... 8B-105
Side-Air Bag (Inflator) Inspection .................... 8B-107
Side Curtain-Air Bag (Inflator) Module Removal and Installation ............................... 8B-107
Side Curtain-Air Bag (Inflator) Module Inspection ...................................................... 8B-109
Forward-Sensor Removal and Installation ...... 8B-109
Forward-Sensor In spection ............................. 8B-110
Side-Sensor Removal and Installation ............ 8B-110
Side-Sensor Inspection ................................... 8B-111
Passenger Air Bag (Inflator) Module Repair
Harness Installation....................................... 8B-112
Air Bag (Inflator) Module and Seat Belt Pretensioner Disposal ................................... 8B-113
Deployed Air Bag (Inflator) Module and Activated Seat Belt Pretensioner Disposal.... 8B-124
Specifications .................. .................................8B-125
Tightening Torque Specifications .................... 8B-125
Special Tools and Equipmen t .........................8B-125
Use of Special Tools ....................................... 8B-125
Recommended Service Material ..................... 8B-127
Special Tool .................................................... 8B-127
Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-7
Schematic and Routing Diagram
Air Bag System Wiring Circuit DiagramS7RS0B8202001
[A]
[B]“E13” “E44”, “G04” “G35” and "L03" \
"L41"
1
2 GRN/RED
GRN GRN/RED
GRN
BLU/RED YEL/RED BLU/RED
YEL/RED
GRN/ORN GRN/YEL
RED
13
PPL/WHT
9 7
8
5
6
10 “L10”
“L11”
“L04”
“G35” “G34”
“G33”
“G28”
“G32”
“L35”
L29-2
L29-27
L29-32 L29-5
L29-6 L29-4
L29-3
L29-8
L29-7
IG
ST
YEL L29-37ADS
WHT/RED
LT GRN/BLK L29-46
L29-47 SD+
SD-
11
WHT/GRN LT GRN
BLK L29-45
L29-44 WL
L29-28
E1 DP-
DP+ P- P+ D- D+
“G10”
“G04”“L29”
18
BLU/ORN
BLU/YEL “L36”
L29-9
L29-10
PP-
PP+
19 17
GRY/RED
GRY
L29-12
L29-11
DS- DS+ “L25”
20
BRN/WHT
BRN
L29-13
L29-14
PS- PS+ “L30”
21
YEL/GRN
YEL/BLU
L29-20
L29-19
DC- DC+ “L18”
22
BLK/YEL
BRN/YEL
L29-21
L29-22
PC- PC+ “L41”
2316
15
14
“L29”
SP+
SP-
“G26”“L32”
“L03”“E44”“E13”
12
ORN
PNK/BLK
GRY/RED
GRY L29-50
L29-51 FD+
FD-
3 4
YEL/BLK
YEL/BLK
GRN RED/BLK
I7RS0A820002-03
[A]: Shorting bar
8. BCM 17. Passenger air bag (inflator) module
[B]: Connector 9. To data link connector (DLC)18. Driver seat belt pretensioner
1. To battery 10. Driver side-sensor (if equipped)19. Passenger seat belt pretensioner
2. Ignition switch 11. Passenger side-sensor (if equipped) 20. Driver side-air bag (inflator) module (if equipped)
3. “AIR BAG” warning light 12. Forward-sensor 21. Passenger side-air bag (inflator) module (if equipped)
4. Light driver 13. Ground for air bag system 22. Driver side curtain-air bag (inflator) module (if equipped)
5. “METER” fuse 14. SDM 23. Passenger side curtain-air bag (inflator) module (if equipped)
6. “A/BAG” fuse 15. Contact coil
7. Junction block assembly 16. Driver air bag (inflator) module
Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-9
Component Location
Air Bag System Components, Wiring and Connectors LocationS7RS0B8203001
5
2
10
(a)(b)
(b)
(b)
(b)
(c)(d)
1
1
23
4
5
6
7
8
8
8
910
11
11
12
12
11
12
13
1313
15
14
I4RS0A820007-01
1. Passenger air bag (inflator) module
8. Side-air bag (inflator) module (if equipped)15. “AIR BAG” warning right
2. Driver air bag (inflator) module 9. Ground for air bag system: 23 N⋅m (2.3 kgf-m, 16.5 lb-ft)
3. Contact coil assembly 10. SDM: 9 N⋅m (0.9 kgf-m, 6.5 lb-ft)
4. Air bag harness in main harness 11. side-sensor (if equipped): 43 N⋅m (4.3 kgf-m, 31.5 lb-ft)
5. Forward-sensor 12. Seat belt pretensioner: 5.5 N⋅m (0.55 kgf-m, 4.0 lb-ft)