2000 SUZUKI SWIFT service

6B-18 ENGINE COOLING
ECT SENSOR
Refer to “ECT SENSOR” in Section 6E1.
REQUIRED SERVICE MATERIAL
TIGHTENING TORQUE SPECIFICATION
MaterialRecommended SUZUKI product
(Part Number)Use
Ethylene glycol base
coolant (Anti-freeze/
Anti-corrosion coolant)—Additive to engine cooling system for improving
cooling efficiency and for protection against
rusting.
SealantSUZUKI BOND NO. 1207C
(99000-31150)To apply to mating surface of water pump
Fastening partTightening torque
Nm kg-m lb-ft
Generator adjusting bolt 23 2.3 17
Generator pivot bolt 50 5 36
Water pump bolt and Nuts 22 2.2 16

ENGINE FUEL 6C-1
6F1
6F2
6G
6C
6K
7A
7A1
7B1
7C1
7D
7E
7F
8A
8B
8C
8D
8E
9
10
10A
10B
SECTION 6C
ENGINE FUEL
CONTENTS
GENERAL DESCRIPTION .............................. 6C-1
ON-VEHICLE SERVICE .................................. 6C-2
COMPONENTS ........................................... 6C-2
PRECAUTIONS ........................................... 6C-3
FUEL LINES ................................................. 6C-4
FUEL PIPE ................................................... 6C-4
FUEL FILLER CAP ...................................... 6C-5FUEL TANK INLET VALVE ......................... 6C-6
FUEL TANK ................................................. 6C-7
FUEL PUMP ASSEMBLY .......................... 6C-10
DISASSEMBLY AND REASSEMBLY .... 6C-12
SPECIAL TOOL ............................................ 6C-14
TIGHTENING TORQUE SPECIFICATION.... 6C-14

GENERAL DESCRIPTION
The main components of the fuel system are fuel tank, fuel pump assembly (with fuel filter, fuel level gauge, fuel
pressure regulator and tank pressure control valve), fuel/vapor separator fuel feed line and fuel vapor line.
For the details of fuel flow and fuel vapor flow, refer to “GENERAL DESCRIPTION” in Section 6E. 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 engine of this vehicle requires the use of unleaded fuel only. Use of leaded and/or low lead fuel
can result in engine damage and reduce the effectiveness of the emission control system.

6C-2 ENGINE FUEL
ON-VEHICLE SERVICE
COMPONENTS
1. Fuel tank 7. Fuel vapor line 13. Fuel filler hose clamp screw 19. Fuel pressure regulator
2. Fuel pump assembly 8. EVAP canister 14. Tank cover 20. Fuel pump
3. Breather hose 9. Delivery pipe 15. Fuel filler bracket screw 21. Fuel filter assembly
4. Fuel filler cap 10. Fuel/vapor separator 16. Fuel filler bracket nut 22. Fuel level gauge (Fuel sender gauge)
5. Fuel feed line 11. Fuel pump bolt (6 pcs.) 17. Gasket Do not reuse.
6. Wire harness for fuel pump 12. Fuel tank bolt (4 pcs.) 18. O-ring Tightening torque

ENGINE FUEL 6C-3
PRECAUTIONS
WARNING:
Before attempting service of any type on fuel system, the
followings should be always observed in order to reduce
the risk or fire and personal injury.
Disconnect negative cable at battery.
Do not smoke, and place no smoking signs near work
area.
Be sure to have CO
2 fire extinguisher handy.
Be sure to perform work in a well-ventilated area and
away from any open flames (such as gas hot heater).
Wear safety glasses.
To relieve fuel vapor pressure in fuel tank, remove fuel
filler cap from fuel filler neck and then reinstall it.
As fuel feed line is still under high fuel pressure even
after engine was stopped, loosening or disconnecting
fuel feed line directly may cause dangerous spout of
fuel to occur where loosened or disconnected.
Before loosening or disconnecting fuel feed line, make
sure to relieve fuel pressure “FUEL PRESSURE
RELIEF PROCEDURE” in Section 6.
A small amount of fuel may be released after the fuel
line is disconnected. In order to reduce the chance of
personal injury, cover the fitting to be disconnected
with a shop cloth. Be sure to put that cloth in an
approved container when disconnection is completed.
Note that fuel hose connection varies with each type of
pipe. Be sure to connect and clamp each hose cor-
rectly referring to the figure.
[A] : With short pipe, fit hose as far as it reaches pipe joint as shown.
[B] : With the following type pipe, fit hose as far as its peripheral projection as shown.
[C] : With bent pipe, fit hose as far as its bent part as shown or till depth “b”.
[D] : With straight pipe, fit hose till depth “b”.
[E] : With red marked pipe, fit hose end reaches red mark on pipe.
1. Pipe
2. Hose
3. Clamp
4. Ped mark
“a” : Clamp securely at a position 3 to 7 mm (0.12 – 0.27 in.) from hose end.
“b” : 20 to 30 mm (0.79 – 1.18 in.)
“c” : 0 to 5 mm (0 – 0.19 in.)

6C-6 ENGINE FUEL
FUEL TANK INLET VALVE
REMOVAL
1) Remove fuel filler cap.
2) Insert hose of a hand operated pump into fuel filler hose (1)
and drain fuel in space “A” in the figure.
3) Hoist vehicle and remove clamp (2) and fuel filler hose (1)
from fuel tank.
4) Remove fuel tank inlet valve (1) using flat-bladed screw-
driver.
INSPECTION
Check fuel tank inlet valve for the followings.
Damage
Smooth opening and closing
If any damage or malfunction is found, replace.WARNING:
Refer to the WARNING at the beginning of ON-VEHICLE
SERVICE in this section.
CAUTION:
Do not force pump hose into fuel tank, or pump hose
may damage fuel tank inlet valve (2).
1
2
CAUTION:
Be careful not to damage fuel tank inlet valve (1) with flat-
bladed screwdriver.

ENGINE FUEL 6C-7
INSTALLATION
1) Install fuel tank inlet valve (1) to fuel tank.
2) Install fuel filler hose (1) to fuel tank and secure it with clamp
(2).
For proper installation, refer to “COMPONENTS” under “ON-
VEHICLE SERVICE”.
3) Lower vehicle and install fuel filler cap.
FUEL TANK
REMOVAL
1) Relieve fuel pressure in fuel feed line according to “FUEL
PRESSURE RELIEF PROCEDURE” in Section 6.
2) Disconnect negative cable at battery.
3) Hoist vehicle.
4) Disconnect fuel filler hose (1) and breather hose (2) from
filler neck (3).
5) Due to absence of fuel tank drain plug, drain fuel tank by
pumping fuel out through fuel tank filler.
Use hand operated pump device to drain fuel tank.
1
2
WARNING:
Before starting the following procedure, be sure to
observe “PRECAUTIONS”.
CAUTION:
Never disconnect fuel filler hose (1) from fuel tank inlet. If
half or more of fuel is remaining to fuel tank, fuel over
flows in this case and come out.
CAUTION:
Do not force pump hose into fuel tank, or pump hose
may damage fuel tank inlet valve.
Never drain or store fuel in an open container due to
possibility of fire or explosion.
2
1
3

6C-10 ENGINE FUEL
5) Connect fuel feed hose (1) and vapor hose (2) to each pipe
as shown in figure and clamp them securely.
6) Connect negative cable at battery.
With engine OFF, turn ignition switch to ON position and
check for fuel leaks.
FUEL PUMP ASSEMBLY
REMOVAL
1) Remove fuel tank from vehicle. Refer to “FUEL TANK”.
2) Disconnect fuel breather hose (1), fuel vapor hose (2) and
pipes from fuel pump assembly.
When disconnecting joint of fuel feed line (3) from pipe,
unlock joint by inserting special tool between pipe and joint
lock first.
Special tool
(A) : 09919-47020 CAUTION:
When connecting joint, clean outside surfaces of pipe
where joint is to be inserted, push joint into pipe till
joint lock clicks and check to ensure that pipes are
connected securely, or fuel leak may occur.
Never let the fuel hoses touch the ABS sensor harness
(if equipped).
WARNING:
Refer to the PRECAUTIONS at the beginning of ON-VEHI-
CLE SERVICE.
1
23

ENGINE AND EMISSION CONTROL SYSTEM 6E1-1
6F1
6F2
6G
6H
6E1
7A
7A1
7B1
7C1
7D
7E
7F
8A
8B
8C
8D
8E
9
10
10A
10B
SECTION 6E1
ENGINE AND EMISSION CONTROL SYSTEM
CONTENTS
GENERAL DESCRIPTION ............................ 6E1-2
AIR INTAKE SYSTEM ............................... 6E1-5
FUEL DELIVERY SYSTEM ....................... 6E1-6
FUEL PUMP ........................................... 6E1-6
ELECTRONIC CONTROL SYSTEM .......... 6E1-7
ENGINE & EMISSION CONTROL
INPUT/OUTPUT TABLE ........................ 6E1-8
ECM INPUT/OUTPUT CIRCUIT
DIAGRAM............................................... 6E1-9
ECM TERMINAL ARRANGEMENT
TABLE .................................................. 6E1-13
ON-VEHICLE SERVICE .............................. 6E1-15
ACCELERATOR CABLE
ADJUSTMENT ..................................... 6E1-15
IDLE SPEED/IDLE AIR CONTROL
(IAC) DUTY INSPECTION ................... 6E1-15
IDLE MIXTURE INSPECTION /
ADJUSTMENT (VEHICLE WITHOUT
HEATED OXYGEN SENSOR) ............. 6E1-17
AIR INTAKE SYSTEM ............................. 6E1-18
THROTTLE BODY ............................... 6E1-18IDLE AIR CONTROL VALVE (IAC
VALVE) ................................................ 6E1-20
FUEL DELIVERY SYSTEM ..................... 6E1-21
FUEL PRESSURE INSPECTION ........ 6E1-21
FUEL PUMP WITH PRESSURE
REGULATOR ....................................... 6E1-22
FUEL INJECTOR ................................. 6E1-23
ELECTRONIC CONTROL SYSTEM ....... 6E1-27
ENGINE CONTROL MODULE
(ECM) ................................................... 6E1-27
MANIFOLD ABSOLUTE PRESSURE
SENSOR (MAP SENSOR)................... 6E1-27
THROTTLE POSITION SENSOR (TP
SENSOR) ............................................. 6E1-28
INTAKE AIR TEMPERATURE
SENSOR (IAT SENSOR) ..................... 6E1-29
ENGINE COOLANT TEMPERATURE
SENSOR (ECT SENSOR) ................... 6E1-30
HEATED OXYGEN SENSOR (HO2S-1
AND HO2S-2) ...................................... 6E1-31
CAMSHAFT POSITION SENSOR ....... 6E1-32 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).
NOTE:
Whether the following system (parts) are used in the particular vehicle or not depends on vehicle
specifications. Be sure to bear this in mind when performing service work.
EGR valve
Heated oxygen sensor(s) or CO adjusting resistor
Three way catalytic converter
Immobilizer indicator lamp
Knock sensor