ig meter SUZUKI GRAND VITARA 2001 2.G Owners Manual
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Page 15 of 656
0B-2 MAINTENANCE AND LUBRICATION
Maintenance Schedule
Maintenance Schedule under Normal Driving Conditions
NOTE:
This interval should be judged by odometer reading or months, whichever comes first.
This table includes service as scheduled up to 90,000 km (54,000 miles) mileage. Beyond 90,000 km
(54,000 miles), carry out the same services at the same intervals respectively.
IntervalKm (× 1,000) 15 30 45 60 75 90
Miles (× 1,000) 9 18 27 36 45 54
Months 12 24 36 48 60 72
ENGINE
1-1. Drive belt V-rib belt (Flat type)––I––R
1-4. Engine oil and oil filter R R R R R R
1-5. Engine coolant––R––R
1-6. Exhaust system–I–I–I
IGNITION SYSTEM
2-1. Spark plugs When
unleaded
fuel is usedVehicle without
HO2SNickel plug –R–R–R
Iridium plug–––R––
Vehicle with
HO2SNickel plug ––R––R
Iridium plug Replace every 105,000 km or
63,000 miles
When leaded fuel is used, refer to “MAINTENANCE RECOMMENDED UNDER
SERVER DRIVING CONDITIONS” in this section.
FUEL SYSTEM
3-1. Air cleaner filter I I R I I R
3-2. Fuel lines and connections–I–I–I
3-3. Fuel filter Replace every 105,000 km or
63,000 miles
3-4. Fuel tank––I––I
EMISSION CONTROL SYSTEM
4-1. Crankcase ventilation hoses and connections (Vehicle without
HO2S)––I––I
4-2. PCV valve Vehicle without HO2S––I––I
Vehicle with HO2S–––––I
4-3. Fuel evaporative emission con-
trol systemVehicle without HO2S–I–I–I
Vehicle with HO2S–––––I
NOTE:
“R”: Replace or change
“I”: Inspect and correct, replace or lubricate if necessary
For Sweden, item 2-1, 4-2 and 4-3 should be performed by odometer reading only.
For Item 2-1. Nickel spark plugs, replace every 50,000 km if the local law requires.
Nickel spark plug: BKR6E-11 or K20PR-U11
Iridium spark plug: IFR5J11 or SK16PR11
Page 31 of 656
1B-6 AIR CONDITIONING (OPTIONAL)
Diagnosis
General
Main A/C system (front A/C system)
Condition Possible Cause Correction
Cool air does not
come out (A/C system
does not operative)No refrigerant Perform recover, evacuation and
charging.
Fuse blown Check “IG METER”, “REAR DEFG”
and “A/C” fuses, and check for
short circuit to ground.
A/C switch faulty Check A/C switch.
Blower motor switch faulty Check blower motor switch.
A/C evaporator temperature sensor (A/C evap-
orator thermistor) faultyCheck A/C evaporator tempera-
ture sensor (A/C evaporator ther-
mistor).
Refrigerant (dual) pressure switch faulty Check refrigerant (dual) pressure
switch.
Wiring or grounding faulty Repair as necessary.
A/C ON permission signal in ECM faulty Check A/C ON permission signal.
A/C controller and its circuit faulty Check A/C controller and its circuit.
Cool air does not
come out (A/C com-
pressor does not
operative (won’t rota-
tive))Magnet clutch faulty Check magnet clutch.
Compressor relay faulty Check compressor thermal switch.
Compressor relay faulty Check compressor relay.
Drive belt loose or broken Adjust or replace drive belt.
Compressor faulty Check compressor.
A/C ON permission signal in ECM faulty Check A/C ON permission signal.
A/C controller faulty Check A/C controller.
Cool air does not
come out (A/C con-
denser cooling fan
motor does not opera-
tive)Condenser cooling fan motor relay faulty Check condenser cooling fan motor
relay.
Wiring or grounding faulty Repair as necessary.
A/C condenser fan motor relay signal in ECM
faultyCheck A/C condenser cooling fan
motor relay signal.
Condenser cooling fan motor faulty Check condenser cooling fan
motor.
Cool air does not
come out (Blower
motor does not opera-
tive)Fuse blown Check “FRONT BLOW” and
“REAR DEFG” fuses, and check for
short circuit to ground.
Blower motor relay faulty Check blower motor relay.
Blower motor resistor faulty Check blower motor resistor.
Blower motor switch faulty Check blower motor switch.
Wiring or grounding faulty Repair as necessary.
Blower motor faulty Check blower motor.
Page 35 of 656
1B-10 AIR CONDITIONING (OPTIONAL)
Performance Diagnosis
1) Confirm that vehicle and environmental conditions are as fol-
lows.
Vehicle is not exposed to direct sun.
Ambient temperature is within 15 - 35 °C (59 - 95 °F).
2) Make sure that high pressure valve (1) and low pressure
valve (2) of manifold gauge (3) are firmly closed.
3) Connect high pressure charging hose (4) to high pressure
service valve (5) on vehicle, and connect low pressure
charging hose (6) to low pressure service valve (7) on vehi-
cle.
4) Bleed the air in charging hoses (3), (4) by loosening their
respective nuts on manifold gauge, utilizing the refrigerant
pressure. When a hiss is heard, immediately tighten nut.
5) Warm up engine to normal operating temperature (engine
coolant temperature at 80 - 90 °C (176 - 194 °F)) and keep it
at specified idle speed.
6) Operate A/C at the following conditions.
Main (front) A/C switch at ON position.
Rear A/C main switch at ON position (if equipped).
Front blower motor switch at max position.
Rear blower motor switch at max position (if equipped).
Air outlet control button at face position.
Temperature control lever at max cool position.
Vehicle door at all open.
Air inlet door at recirculation position.
7) Keep all windows, doors and engine food open.
8) With about 20 mm (0.8 in.) of dry bulb thermometer (1)
inserted into center face air outlet (2), rear A/C air outlet (3)
(dual A/C model only) and near A/C evaporator air inlet, read
temperature indicated on each thermometer. CAUTION:
Do not interchange high and low pressure charging
hoses by mistake.
2
64
3
75 1
3
1
2
Page 37 of 656
1B-12 AIR CONDITIONING (OPTIONAL)
Performance diagnosis table
HIGH PRESSURE GAUGE
LOW PRESSURE GAUGE
THERMOMETER AT CENTER DUCT
Condition Possible Cause Correction
Pressure high
(“A” area of high side
graph)Refrigerant overcharged Recharge.
Expansion valve frozen or clogged Check expansion valve.
Clogged refrigerant passage of high side Clean or replace.
Condenser cooling fan malfunction (Insufficient cooling
of condenser)Check condenser cooling fan.
Dirty or bent condenser fins (Insufficient cooling of con-
denser)Clean or repair.
Compressor malfunction (Insufficient oil etc.) Check compressor.
Engine overheat Check engine cooling system.
Pressure low
(“B” area of high side
graph)Insufficient refrigerant (Insufficient charge or leakage) Check for leakage, repair if necessary
and recharge.
Expansion valve malfunction (valve opens too wide) Check expansion valve.
Compressor malfunction (Insufficient compression) Check compressor.
Condition Possible Cause Correction
Pressure high
(“C” area of low side
graph)Expansion valve malfunction (valve opens too wide) Check expansion valve.
Compressor malfunction (Insufficient compression) Check compressor.
Pressure low
(“D” area of low side
graph)Insufficient refrigerant (Insufficient charge or leakage) Check for leakage, repair if necessary
and recharge.
Expansion valve malfunction (valve opens too narrow) Check expansion valve.
Clogged refrigerant passage (crashed pipe) Repair or replace.
Condition Possible Cause Correction
Outlet air temperature at
center duct is high
(Crossing point is in area
“E”)Insufficient or excessive charge of refrigerant Check refrigerant pressure.
Dirty or bent A/C evaporator fins Clean or repair.
Air leakage from cooling (heater) unit or air duct Repair or replace.
Malfunctioning, switch over function of damper in cool-
ing (heater) unitRepair or replace.
Compressor malfunction Check compressor.
Outlet air temperature at
center duct is low
(Crossing point is in area
“F”)Insufficient air volume from center duct (Heater blower
malfunction)Check blower motor and fan.
Compressor malfunction Check compressor.
NOTE:
If ambient temperature is within 30 - 35 °C (85 - 95 °F), it is possible to do using “DETAIL DIAGNOSIS
TABLE” in this section for detail diagnosis.
Page 39 of 656
1B-14 AIR CONDITIONING (OPTIONAL)
Wiring Circuit
ACG
LT GRN
PNK
PNK
BLKORN
BLK
YEL/GRNRED/BLKBLK/WHT
BLU/WHTPNK/BLK
PNK/GRN
RED/BLK
WHT/RED
YEL/GRN
YEL/BLU
A/C
RED/BLU
RED/BLU
RED/BLKBLK
BLU/ORN
BLU/WHT
BLU/WHT
PNK
PNK/BLU
BLK
PNK/WHT
YEL/BLK
GRY/WHT
GRN/BLK
BLK/WHT
RED/BLK
YEL/GRN
BLK
BLK
BLK
YEL/BLK
YEL/GRN
YEL/GRNBLU/GRN
BLU/YELBLUBLU/BLK
BLU/BLK
17
21
22 18
16
15
19
2026 25 24 23
14
12
29
3
4
7
33 30
31
32
28
27
1213
10
11
35 349
856
A
1. Front blower motor main relay 10. Compressor relay 19. Battery 28. Solenoid valve relay
2. Front blower motor 11. Compressor 20. Generator 29. Rear blower motor relay
3. Front blower motor resistor 12. Condenser cooling fan motor
relay21. Ignition main fuse 60 A 30. Rear blower motor resistor
4. Front blower motor switch 13. Condenser cooling fan motor 22. Heater/A/C main fuse 60 A 31. Rear blower motor
5. A/C controller 14. Fuse box 23.“IG METER” fuse 20 A 32. Rear blower motor switch
6. ECM (PCM) 15.“A/C” fuse 25 A 24.“REAR DEFG” fuse 25 A 33. Rear A/C main switch
7. Heater mode control switch 16. Ignition switch 25.“REAR BLOW” fuse 20A 34. Rear A/C evaporator temperature con-
troller
8. Dual (refrigerant) pressure switch 17. Main fuse box 26.“FRONT BLOW” fuse 30A 35. Rear A/C evaporator temperature sensor
9. A/C evaporator thermistor
(A/C evaporator temperature sensor)18. Battery main fuse 100 A 27. Solenoid valve [A] : Rear A/C wiring circuit (if equipped)
Page 40 of 656
AIR CONDITIONING (OPTIONAL) 1B-15
Inspection of A/C Controller and Its Circuits
A/C Controller (1) and its circuits can be checked at A/C controller
wiring couplers by measuring voltage.
Voltage check
1) Remove A/C controller (1) from vehicle referring to “A/C
CONTROLLER” in this section.
2) Remove ECM (2) from vehicle.
3) Connect A/C controller couplers to A/C controller and con-
nect ECM couplers to ECM.
4) Check each terminal voltage with couplers connected by
referring to “A/C CONTROLLER VOLTAGE VALUES TABLE”. CAUTION:
A/C controller and ECM cannot be checked by itself.
It is strictly prohibited to connect voltmeter or ohmmeter
to A/C controller and ECM with couplers disconnected
from it.
3. Terminal AC-A-2
4. Terminal C51-3-6
NOTE:
For “Fig. A”, “Fig. B”, “Fig. C” in the figure, refer to “A/C
CONTROLLER VOLTAGE VALUES TABLE”.
Page 41 of 656
1B-16 AIR CONDITIONING (OPTIONAL)
SYSTEM CIRCUIT
Terminal arrangement of A/C controller
Terminal arrangement of ECM
A: To “FRONT BLOW” fuse 1. Front blower motor relay 6. Dual (refrigerant) pressure switch 11. Condenser cooling fan motor
B: To “REAR DEFG” fuse 2. Front blower motor 7. A/C thermistor (evaporator temperature sensor) 12. A/C controller
C: To “IG METER” fuse 3. Front blower motor resistor 8. Compressor relay 13. ECM
D: To “A/C” fuse 4. Front blower motor switch 9. Compressor
5. A/C switch 10. Condenser cooling fan motor relay
5V
12V12V
12V5V
12V
5V
AC-A-1
AC-A-7
AC-A-4
AC-B-2
AC-B-1
AC-A-16AC-A-9
AC-A-2 AC-A-13
E61-8
E61-17
E61-22
A
DBBC
1
2
3
4
7 865
1011912
13
12 12
3
45 6 7 8 9 101112131415 16 AC-B
AC-A
87
22 23
34
3565
16 17
25
262
1
8 9
20
212
1
8 9
21
22 1 2 3 4 5 6
9
24 25 26 27 28 29 30 31 32 3310 11
12 13 14 15 16 17 18 19 20 211 2 3 4
7 8 9
10 11 12 13 14 15
18 19 20 21 22 23 243 4 5 6 7
10 11 12 13 14 15 16 17 18 19
22 23 24 25 26
27 283 4 5 6 7
10 11 12 13 14 15 16 19 18 2017
23
24 25 26 27 29 28 30 E61 C51-3 C51-1 C51-2
Page 56 of 656
AIR CONDITIONING (OPTIONAL) 1B-31
INSPECTION
1) Connect battery positive (+) cable to terminal “b” and battery
negative (–) cable to terminal “c” as shown.
2) Using ohmmeter, check continuity between terminal “a” and
terminal “b” at specified temperature as shown.
Rear A/C evaporator temperature controller specification :
“A” : Approximately 3.5 °C (38.3 °F)
“B” : Approximately 5.0 °C (41 °F)
INSTALLATION
Reverse removal procedure to install rear A/C evaporator temper-
ature controller noting the following instruction.
When the rear A/C evaporator thermistor (temperature sen-
sor) removed, it should be reinstalled in original position.
Refrigerant Pipes and Hoses
INSPECTION
Use a leak tester to check hoses and pipes for any gas leakage.
Check each hose or pipe clamp for tightness. Retighten or replace loose clamp as required, if any.
REMOVAL
1) Recover refrigerant by using recovery and recycling equipment. Be sure to follow the instruction manual for
the equipment.
The amount of compressor oil removed must be measured and the same amount must be added to the sys-
tem when reinstalling.
2) Replace defective hose or pipe.
INSTALLATION
Reverse removal procedure to install refrigerant line noting the following instruction.
Evacuate and charge system. Refer to “EVACUATING” and “CHARGING” in this section.
CAUTION:
As soon as the above hose or pipe is disconnected, cap its opened fitting to prevent moisture and
dust from entering.
NOTE:
Remove EVAP canister and fuel tank cover, if necessary
Page 58 of 656
AIR CONDITIONING (OPTIONAL) 1B-33
Rear Blower Motor Assembly
REMOVAL
1) Remove solenoid valve referring to “SOLENOID VALVE” in
this section.
2) Disconnect rear blower motor coupler (1).
3) Remove rear blower motor assembly (2) from rear A/C unit
(3).
INSPECTION
1) Check continuity between two terminal as shown.
If check results are no continuity, replace rear blower motor
assembly (1).
2) Check operate and current.
a) Fix rear blower motor assembly (1) by using vise.
b) Connect battery to rear blower motor assembly (1) as
shown.
c) Check that there is smoothly operates and no noise.
d) Check that ammeter indicates specified current.
If measure current is incorrect, replace blower motor
assembly.
Rear blower fan motor specified current at 12V
: 16 A maximum
INSTALLATION
Reverse removal procedure for installation.
2
3
1
Page 66 of 656
AIR CONDITIONING (OPTIONAL) 1B-41
Magnet Clutch
INSPECTION
Check the following items.
Check no sigh of compressor oil leakage
Check magnet clutch pulley bearing for noise and grease
leakage.
Check magnet clutch operation as follows :
a) Connect battery (1) and ammeter (2) to compressor (3) as
shown.
b) Check that steadily locks between armature plate (4) and
magnet clutch pulley (5).
c) Check that ammeter (2) indicates specified current.
Specified current of magnet clutch :
4A MAX at 12V
If any detects are found, repair or replace magnet clutch assem-
bly.
REMOVAL
1) Remove compressor from vehicle. Refer to “COMPRESSOR
ASSEMBLY” in this section.
2) Fix armature plate (1) with special tool and remove armature
plate bolt.
Special tool
(A) : 09920-53740
3) Remove armature plate (1).
4) Remove shims from shaft.
1. Armature plate bolt 3. Circlip 5. Shim (s) 7. Compressor body assembly
2. Armature plate 4. Magnet clutch 6. Magnet clutch coil 8. Magnet clutch assembly
1234367
5
8
3
2
1 5 4
NOTE:
Do not reuse armature plate bolt.
(A)1