Isuzu KB P190. Manual — part 810
Fuel System – V6
Page 6C – 38
5 Specifications
F u e l T a n k C a p a c i t y :
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 litres
F u e l T a n k M a t e r i a l :
. . . . . . . . . . . . . . . . . . ..'W'-type high-density multi-layer polyethylene
F u e l F i l l e r L o c a t i o n :
. . . . . . . . . . . . . . . . . . . . . . . . . Attached to the left side of tray
F u e l P u m p T y p e :
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single turbine
P r e s s u r e R e g u l a t o r L o c a t i o n :
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine bay
F u e l P u m p L o c a t i o n :
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . In fuel tank
F u e l P u m p R e g u l a t e d P r e s s u r e :
. . . . . . . . . . . . . . . . . . . . . . . . . . . . approx. 410 kPa at idle
M i n i m u m F u e l P u m p F l o w C a p a c i t y ( a t R e g u l a t e d P r e s s u r e ) :
. . . . . . . . . . . . . . . . . . . . . . . . . . . 2.95 L/min @ 13.5 volts
F u e l P u m p C u r r e n t D r a w ( S t e a d y S t a t e a t R e g u l a t e d P r e s s u r e ) :
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.0 Amps maximum
Fuel System – V6
Page 6C – 39
6
Torque Wrench Specifications
Fuel Tank Mounting Strap Bolts . . . . . . . . . . . . . . ... 68.0 Nm
Evaporative Emission Control Canister Mounting Nut . . . . ... 2.0 – 5.0 Nm
Fuel Line Securing Nut . . . . . . . . . . . . . . . . 8.0 – 12.0 Nm
Stone Guard Securing Bolt. . . . . . . . . . . . . . . 5.0 – 7.0 Nm
Fuel System – V6
Page 6C – 40
7 Special
Tools
Tool
Number Illustration
Description Tool
Classification
AU469
(J39765)
Modular Fuel Pump and Sender
Assembly Remover / Installer.
(Sedan, Wagon and Utility)
Previously released.
Mandatory
J22610
Keystone Clamp Pliers
Used to remove and fasten ear-type
clamps.
Available
J36850
TransJel Lubricant
Used to lubricate fuel tank siphon
hose during fuel tank drain/siphon
procedures.
Desirable
J44284–2
Fuel Flapper Door Holder
Holds open the fuel filler neck flapper
door to allow the fuel tank siphon
hose to be fed down into the fuel filler
neck.
Mandatory
J45004–1
Fuel Tank Siphon Hose
Flexible fuel siphoning hose with
grounding wire and threaded vacuum
pump fitting.
Mandatory
Engine Management – V6 – General Information
Page 6C1-1–1
6C1-1 Engine Management – V6
General Information
A T T E N T I O N
Before performing any service operation or other procedure described in this Section, refer to 1.3 Warning
Caution and Notes for correct workshop practices with regard to safety and / or property damage.
1
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3
1.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2
Emission Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 3
ADR 79/01 Emissions Standards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3
1.3
Warning Caution and Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4
Definition of WARNING, CAUTION and NOTE Statements. . . . . . . . . . . . . . . . . . . . . 4
WARNING defined . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
CAUTION defined . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4
NOTE defined. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2
Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5
2.1
Cylinder Numbering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 5
2.2
Engine Compartment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4
Interior. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3
System Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...9
3.1
Fuel Delivery System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Fuel System Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 9
Fuel Injection System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 10
Short Term Fuel Trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 10
Long Term Fuel Trim. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2
Air / Fuel Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Starting Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 11
Run Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11
Open Loop Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11
Closed Loop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 11
Acceleration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 11
Deceleration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 11
Fuel Shut-off Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11
Battery Voltage Correction Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 12
Limp Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Engine Protection Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 12
Clear Flood Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3
Ignition Control System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 12
3.4
Starter Motor Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 12
3.5
Throttle Actuator Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 12
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 12
Throttle Body Relearn Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 14
TAC System Default Actions / Reduce Power Modes. . . . . . . . . . . . . . . . . . . . . ... 14
Forced Engine Shutdown. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.6
Cruise Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.7
Brake Torque Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.8
Emission Control Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 15
Evaporative Emission Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 15
Engine Ventilation System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 16
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