lpg.myzen.co.uklpg.myzen.co.uk/gas4car/usb/ISGI001_MANUALE_ISTRUZ_SGIS... · 2012. 7. 2. · Author: Officina Bigas Created Date: 11/22/2005 8:57:51 AM

Rev. 1.1

INSTRUCTION MANUAL

ISGI002

BIGAS INTERNATIONAL AUTOGAS SYSTEMS S.r.l.

Sede legale: Via A. De Gaspari, 31Stabilimento: Via P. Nenni, 40

50019 Sesto Fiorentino Firenze ITALYTel. 0554211275-0554201432

Fax 0554215977http: www.bigas.it e-mail [email protected]

Realizzazione: Ufficio Tecnico Bigas 2003 ISGI001

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Required connection

Simplified calibration instruction

Point by point calibration instruction

Appendix

pag. 5-12

pag. 13-30

pag. 31-56

pag. 57-76

- SGIS general diagram pag. 59- Modification of the lambda probe connections pag. 60- General diagram for 4 cylinder engine pag. 61- General diagram for 4 cylinder engine Boxer pag. 62- pag. 63- pag. 64- pag. 65

reducer- pag. 66- pag. 67

reducer- pag. 68- 2 rail juction diagram pag. 69- Water sector diagram for 2 reducer pag. 70- LPG sector for 2 reducer pag. 71- Rail assembly diagram pag. 72- Schema di colleg. PLUG-Cilindro generale distributore pag. 73- Multiplier-Amplifier for 8 cylinders AEB387 pag. 74- AEB388 pag. 75- Signal duplicator for 8 cylinders AEB386 pag. 76-

General diagram for 5 cylinder engineGeneral diagram for 6 cylinder engineGeneral diagram for 6 cylinder engine double

General diagram for 6 cylinder engine V typeGeneral diagram for 6 cylinder engine V type double

General diagram for 8 cylinder engine

Multiplier-Amplifier for 8 cylinders

Plugs: electrics signals pag. 77

Index

Pag. 3 - 88

Pag. 4 - 88

Required connections

Pag. 5 - 88

Pag. 6 - 88


Computer connections

Pag. 7 - 88

Plug the serial cable (suppliedas standard equipment) intothe serial port of the computer.

Plug the hardware key into theparallel port of the computer.

IMPORTANT

Switch off the computer before making any connections.

1

Control box connections - phase 1

Pag. 8 - 88


Connect the female connector of the control box to the maleconnector of the pressure sensor.

NOTE:___________________________________________________________________________________________________________________________________________________________________________________________________________

SEGNALE SU: 1-2-3-4-7-8-15-16 SEGNALE SU: 9-10-11-12-13

PIN COLOR SIGNALS

1 BLACK\WHITE IMPULSE

2 RED\WHITE IMPULSE

3 WHITE\BLUE IMPULSE

4 WHITE\BROWN IMPULSE

5 BLACK 0 V

6 WHITE

7 BLACK\WHITE IMPULSE

8 BLACK\BLUE IMPULSE

9 RED 12 V (GAS WORKING)





14

15 BLACK\GREEN IMPULSE

16 BLACK\BROWN IMPULSE

Impulse in phasis at injection

time(t)

Vo

lts

(V)

Before and after Gas commutation

0

2

4

6

8

10

12

14

time(t)

Vo

lts(V

)

PLUG DRIVER

Plugs: electric signal

Pag. 81 - 88

NOTE:___________________________________________________________________________________________________________________________________________________________________________________________________________

SIGNALS OVER: A1-A2-A6-A8-B1-B6-C1-C6

SIGNALS OVER: C2-C3-B2-B3-B8

PIN COLOR SIGNALS

A1 WHITE\RED IMPULSE

A2 BLACK\WHITE IMPULSE

A3 NOT UTLIZZATED

A4 BLUE\YELLOW (BLACK

COVER)

0 V

A5 NOT UTLIZZATED

A6 BLACK\BROWN IMPULSE

A7 BLACK\GREY OXIGEN SENSOR BANK 2

A8 BLACK\GREEN IMPULSE

B1 WHITE\BLUE IMPULSE

B2 RED 12 V (GAS WORKING)


B4 NOT UTLIZZATED

B5 NOT UTLIZZATED

B6 BLACK\WHITE IMPULSE

B7 BLACK\VIOLA OXIGEN SENSOR BANK 2


C1 WHITE\BROWN IMPULSE

C2 RED 12 V (GAS WORKING)


C4 NOT UTLIZZATED

C5 NOT UTLIZZATED

C6 BLACK\BLUE IMPULSE

C7 WHITE

C8 BLACK 0 V


time(t)

Vo

lts

(V)


0

2

4

6

8

10

12

14

time(t)

Vo

lts(V

)

GREY PLUG


Pag. 80 - 88

2

Pag. 9 di 88


Control box connections - phase 2

Connect the female connector of the pressure sensor to the maleconnector of the serial cable.

Disconnect the hose from the connector of rail (1).

Insert the connector between rail and hose .

Connect to the pressure sensor (3)

(2)

2

1

Connecting the pressure sensor

3

Pag. 10 - 88


Pag. 79 - 88

PLUG FLUEL INJECTION

PLUG PRESSURE SENSOR

PIN COLOR SIGNALS

A1 BLACK\BLUE 12 V (GAS WORKING)

A2 BLACK\ RED 12 V (GAS WORKING)

A3 BLACK\GREEN 12 V (GAS WORKING)

A4 BLACK\YELLOW 12 V (GAS WORKING)

A5 NOT UTILIZZATED

B1 BLUE IMPULSE

B2 RED IMPULSE

B3 GREEN IMPULSE

B4 YELLOW IMPULSE

B5 WHITE\RED 12 V


PIN COLOR SIGNALS

1 BLACK 12 V

2 ORANGE\BLACK 2,4 V

3 YELLOW\RED 0,45 V

4 RED\BLACK 5 V

Pag. 78 - 88

PIN COLOR SIGNALS

A1 RED 12 V (GAS WORKING)

A2 WHITE\BLACK IMPULSE

A3 WHITE\RED IMPULSE

A4 BLUE 12 V (GAS WORKING)

A5 YELLOW 12 V (GAS WORKING)

A6 YELLOW\BLACK IMPULSE

A7 WHITE\RED 12 V

A8 NOT UTILIZZATED


B2 WHITE\MBROWN IMPULSE

B3 WHITE\BLUE IMPULSE

B4 BLACK\BLUE IMPULSE

B5 BLACK\GREEN IMPULSE

B6 YELLOW\RED 0,45 V

B7 ORANGE\BLACK 2,4 V

B8 BLACK 0 V



C3 BLACK\RED IMPULSE


C5 GREEN 12 V (GAS WORKING)

C6 RED\BLACK 5 V

C7 BLACK 0 V

C8 NOT UTILIZZATED

NOTE:___________________________________________________________________________________________________________________________________________________________________________________________________________

SIGNALSOVER : A2-A3-A6-B2-B3-B4-B5-C3 SIGNALS OVER: A1-B1-C1-C2


0

2

4

6

8

10

12

14

time(t)

Vo

lts(V

)


time(t)

Vo

lts

(V)

GREY PLUG


Final checks

Pag. 11 - 88


Before configuring the vehicle, check that the MAP and the pressurestabilizer hose are correctly connected.

Pressure Stabilizer Connection

MAP Connection

IMPORTANT

In order to ensure best system operation, we recommend taking the twodepressions by perforating in two points adjacent to the manifold, asclose as possible to the throttle valve casing.

IMPORTANT NOTICEFor good operation of the SGIS system, use spark plugs withinternal resistors; we recommend NGK, BERU.Check the engine-battery-body ground connections; if unsureof efficiency, reinforce with a cable of minimum 5 mm section.It is important that the engine hood be well-grounded; ifnecessary, install an additional cable of minimum 3 mm section.

Pag. 12 - 88


Pag. 77 - 88

PIN COLOR SIGNALS

A1 RED 12 V (SWITCHED IGNITION)

A2 RED 12 V (BATTERY)

A3 RED 5 V

A4 BROWN 5 V

A5 NOT UTILIZZATED

A6 BLACK 0 V

A7 BROWN TACHOMETER

A8 GREEN NOT UTILIZZATED

B1 BLACK 0 V

B2 BLACK 0 V

B3 BLACK 0 V

B4 ORANGE TEMPERATUR SENSOR

B5 BLACK\BLUE DON’T CONNECT

B6 BLUE\YELLOW FROM 0 TO 5 V

T.P.S. SENSOR

B7 PINK\BLACK 5 V

B8 PINK 5 V

C1 BLUE 12 V (GAS WORKING)

C2 PURPLE

C3 BLUE 4,2 V

C4 GREY OXIGEN SENSOR BANK 1

C5 WHITE GAS LEVEL SENSOR

C6 GREEN GAS LEVEL SENSOR

C7 BLACK 0 V

C8 RED\BLACK 12 V

PIN COLOR SIGNALS

4 GREEN NOT UTILIZZATED

5 PINK\BLACK 5 V

6 BLACK 0 V

7 RED\BLACK 12 V

8 PINK 5 V

NOTE:___________________________________________________________________________________________________________________________________________________________________________________________________________

DIAGNOSIS PLUG

SWITCH

BLACK PLUG


PIN COLOR SIGNALS

1 RED 5 V

2 BROWN 5 V

3 BLACK 0 V

4 BLUE 4,2

CO

NN

EC

TTH

EBRO

WN

WIR

ETO

THE

CO

NTR

OL

BO

X

ASS

EM

BLY

DIA

GRA

M(A

EB3

86

SIG

NA

LD

UPLI

CATO

R)

DESC

RIP

TIO

N

THE

AEB3

86

SIG

NA

LD

UPLI

CATO

RIS

USE

DW

HEN

THE

SIG

NA

LTO

THE

NEG

ATI

VE

OF

THE

IGN

ITIO

NC

OIL

ISTH

ED

UA

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AL

(D.I.

S.)TY

PE:

THE

CO

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OW

NH

ERE

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ASE

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LC

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AM

PLE

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-CYL

IND

ER

EN

GIN

ES

WIT

HD

.I.S.

IGN

ITIO

N),

AN

DM

AY

REPLA

CE

THE

38

8.

Signal duplicator for 8 cylinders AEB386

Pag. 76 - 88 Pag. 13 - 88

Simplified Calibration Manualby Displacement

Pag. 14 - 88

CO

NN

EC

TBO

THW

IRES

TOTH

EBRO

WN

WIR

EO

FTH

EC

ON

TRO

LBO

X

ASS

EM

BLY

DIA

GRA

M(A

EB3

88

MU

LTIP

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FIE

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FO

R8

CYL

IND

ERS

EN

GIN

E

DESC

RIP

TIO

N

THE

AEB

38

8RPM

MU

LTIP

LIER

ISU

SED

WH

EN

THE

SIG

NA

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THE

NEG

ATI

VE

OF

THE

IGN

ITIO

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LLO

WIN

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PE :

IFRPM

’SEN

GIN

EC

HA

NG

ES

CO

NTI

NU

OU

SLY

AN

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GIN

ERU

NS

ALT

ERN

ATE

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RT

ON

E1

00

0O

HM

RESI

STO

RFO

REA

CH

OF

TWO

BRO

WN

WIR

ES.

Pag. 75 - 88

Multiplier - Amplifier for 8 cylinders AEB388

Multiplier - Amplifier for 8 cylinders AEB387

CO

NN

EC

TBO

THW

IRE

OF

THE

CO

NTR

OL

BO

X

ASS

EM

BLY

DIA

GRA

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EB3

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ERS

EN

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7RPM

MU

LTIP

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MPLI

FIE

RIS

USE

DW

HEN

THE

IGN

ITIO

NSI

GN

AL

ON

THE

CO

ILS

ISTH

ESQ

UA

RE

WA

VE

TYPE,A

SSH

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THE

EX

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PLE

.

IFRPM

’SEN

GIN

EC

HA

NG

ES

CO

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NU

OU

SLY

AN

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EEN

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ERU

NS

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RT

ON

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00

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HM

RESI

STO

RFO

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BRO

WN

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ES.

Pag. 74 - 88


Pag. 15 - 88

- Before beginning configuration of the control box,

check that all the cable connections are correct and

that the hardware key is inserted in the computer.

Click the “Sequential GIS” icon on the Windows

desktop to launch the SGIS software.

INTRODUCTION

Vehicle configuration is performed in two phases.The first phase provides for entering the technical data for the vehicle;the second phase comprises actual calibration of the vehicle.

To access the first phase, click: “VEHICLE CONFIGURATION”

GAS change-over

Pag. 16 - 88


IMPORTANT

Before continuing, check that the TPS, MAP, RPM, LAMBDA,TEMPERATURE, PRESSURE, and LEVEL values are correctly detected.

In particular, should the RPM value not be similar to that given by thevehicle engine speed indicator:

- shift the RPM signal pickup point- if unsure of the specific connection, try all the leads

to the engine ECU comb one by one until themonitor displays the correct value;

- or connect the special AEB adapters to the ignitioncoil.

Firs

tfir

ing

eng

ine

cyl

ind

er

AE

BC

DPlu

gPlu

gPlu

gPlu

gPlu

g

5C

Dis

trib

uto

r

Firs

tfir

ing

eng

ine

cyl

ind

er

AB

CD

Plu

gPlu

gPlu

gPlu

g

4C

Dis

trib

uto

r

Firs

tfir

ing

eng

ine

cyl

ind

er

AB

CF

EG

Plu

gPlu

gPlu

gPlu

gPlu

gPlu

g

6C

Dis

trib

uto

r

Firs

tfir

ing

eng

ine

cyl

ind

er

AB

CE

GD

FH

Plu

gPlu

gPlu

gPlu

gPlu

gPlu

gPlu

gPlu

g

8C

.D

istrib

uto

r

Firs

tfir

ing

eng

ine

cyl

ind

er

AB

CF

GE

Plu

gPlu

gPlu

gPlu

gPlu

gPlu

g

6C

“V”

Dis

trib

uto

r

BANK1

BANK2

Firs

tfir

ing

eng

ine

cyl

ind

er

BC

DG

HF

EA

Plu

gPlu

gPlu

gPlu

gPlu

gPlu

gPlu

gPlu

g

8C

“V”

Dis

trib

uto

r

BANK1

BANK2

Dis

trib

uto

rp

lug

co

nne

ctio

ns

dia

gra

m

Distributor plug connections diagram

Pag. 73 - 88

Rail assembly diagram

Pag. 72 - 88

ASS

EM

BLY

DIA

GRA

M

DESC

RIP

TIO

N

THE

GA

SPIP

ES

BETW

EEN

THE

RA

ILA

ND

THE

CO

LLEC

TOR

MAY

BE

OF

DIF

FEREN

TLE

NG

THS.

GA

S

SGIS

EC

U

Ma

nifo

ldN

ozz

le

Air

Ga

s

1

2

3

4

5

6

7

Pag. 17 - 88


GAS change-over

1

2

3

4

5

6

7

Select the RPM signal type

Enter the number of engine cylinders

Enter fuel switching mode.

Enter the RPM value for switchover to gas fueling.

Enter the RPM value for engine speed limiter cut-in.

Enter the minimum pressure reducer temperature value for fuelswitchover.

Enter the gasoline-to-gas fuel switchover delay time, in seconds.

(We recommend temperature = 25°C)

(We recommend leaving the value = 0)

I

Lambda

Pag. 18 - 88


- Press F2 to access the lambda probe configuration menu

1

2

3

4

1

2

3

4

Select the lambda probe output signal on the basis of thevalue shown in the box during gasoline-fueled operation.

Enter the number of lambda probes connected to the GISWhen the

no. 2 lambda probe is inserted, two lambda value reportboxes will be shown on the display. The left-hand boxcorresponds to the first block (1).

Enter the lambda probe reading time delay, in seconds

If necessary in order to adapt the lambda signal value (inVolts) to the standard sensors value, enter the lambdaprobe ground reference value (in Volts) when lean mixtureis detected

(This value is always = 1 for 4-cylinder engines).

(We recommend an initial setting = 10 and then measuringthe lambda probe response time after starting the enginein the gasoline operation mode.

(We recommend leaving the setting = 0, atleast initially).

*

Collegamento parallelo di 2 distributoriLPG sector for 2 reducer

PIP

ED

M.6

PIP

ED

M.8

UN

ION

1/8

DM

.8

CO

UPLI

NG

¼

CO

UPLI

NG

¼D

M.8

UN

ION

TEE

¼D

M.6

ASS

EM

BLY

DIA

GRA

M(R

ED

UC

ER

JUN

CTI

ON

S)

Pag. 71 - 88

Water sector diagram for 2 reducer

ASS

EM

BLY

DIA

GRA

M(W

ATE

RC

IRC

UIT

)

WATE

RIN

LET

WATE

RO

UTL

ET

UN

ION

TEES

Pag. 70 - 88

TPS

1

2

3

4

5

*

Pag. 19 - 88


- Press F3 to access the TPS configuration menu.

1

2

3

4

5

*Select the type of TPS installed on the vehicle, with reference tothe value shown in the box.

Indicate whether or not an additional TPS switch (besides linearTPS) is installed on the vehicle, and if so, the type.

Select this option if a Drive by wire system is installed on thevehicle.

Select to manually adjust the TPS. (

Enter the TPS hysteresis value (in Volts) for more uniformoperation of cut-off and fuel enrichment.

In the case of a single TPS switch, connect the linear TPS lead of

the GIS to it and enter the values in this box.

(Option not currently available)

We recommend not

selecting this option, at least initially)

(We recommend not

changing this value initially and in any case, when stepping up

the value, to proceed by 0.01 V intervals)

(Straight 0-12Volt Inverted 12-0Volt)

Emulation

1

Pag. 20 - 88


- Press F4 to access the lambda probe emulation configurationmenu.

1

Select the lambda probe emulation type from among theavailable options. This information is provided on the technicalinformation card specific to each vehicle.

BIG

AS

CO

NN

EC

TIO

NU

NIO

NFO

RPRESS

URE

STA

BIL

IZATI

ON

GA

SIN

LET

FRO

MRED

UC

ER

N°1

GA

SIN

LET

FRO

MRED

UC

ER

N°2

ASS

EM

BLY

DIA

GRA

M(D

ISTR

IBU

TOR

JUN

CTI

ON

S)

DESC

RIP

TIO

N

Afte

rha

ving

co

mp

lete

dc

alib

ratio

no

fe

ac

hsi

ng

led

istrib

uto

rw

ithth

ep

ress

ure

test

er ,

co

nne

ctth

ed

istrib

uto

rsusi

ng

the

unio

nfo

rth

at

purp

ose

(se

ed

iag

ram

).

BIG

AS

2 Rail juction diagram

Pag. 69 - 88

Pag. 68 - 88


*

*

Important: if injection sequence is unknown or in absence of electronic sequential injection,connect the blue-yellow wire to the engine ground or to the negative pole of ignitioncoil (for tradional type with distributor ignition).

CUT-OFF

1

2

3

4

Pag. 21 - 88


- Press F5 to access the CUT-OFF configuration menu.

1

2

3

4

Select the CUT-OFF type.

Enter the RPMs for end of CUT-OFF.

Enter the CUT-OFF start delay time, in seconds. This valueaffects driving quality (smoothness).

Enter the CUT-OFF stop delay time, in seconds. This valueaffects driving quality (smoothness.

(For reduced fuel consumption and

faster return to idle select CUT-OFF COMPLETE)

(We recommend values

from 1400 to 1600 rpm)

(We recommend not

changing the preset value, at least initially)

(We recommend not

changing the preset value, at least initially)

GAS level

1

2

Pag. 22 - 88


- Press F6 to access the gas fuel level configuration menu.

1

2

Select the gas fuel level sensor type.

Select this option to activate switchover to gasoline fueling witha low gas bottle level

(For other types of sensors,

use AEB adapters)

(We recommend not using this option)

Basic vehicle configuration ends here.

Click the “X” in the top right corner of the window to return to themain menu.

Pag. 67 - 88

General diagram for 6 cylinder engine V type

double reducer

*

*


Pag. 66 - 88

General diagram for 6 cylinder engine V type

*

* Important: if injection sequence is unknown or in absence of electronic sequential injection,connect the blue-yellow wire to the engine ground or to the negative pole of ignitioncoil (for tradional type with distributor ignition).

Pag. 23 - 88


- To access the second phase, click: “CALIBRATION”

1

Pag. 24 - 88


To continue, enter the requested data and click OK to continue.

IMPORTANTThe carburetion curves currently available refer 1200 - 1400 -1600 - 1800 - 2000 - 3000 - 4000 - 5000 cc engines for LPG and1600 for methane fuel. Important: For intermediate cylinder

capacities, select the closest approximation.

1

Select type of fuel

WARNING If you continue you risk to eliminate theCarburation current parameters

Set vehicle

EXIT

Pag. 65 - 88

General diagram for 6 cylinder engine double

reducer

*


Pag. 64 - 88


*


1

2

Pag. 25 - 88


1

2

Switch over from gasoline to gas fuel and leave the engineidling.

Use an Allen wrench to adjust the reducer pressure to a valuebetween 0.92 e 0.98 bar (green-colored area on dial). A fewseconds after pressure stabilizes, the message screen will read“ENTER”: press the “ENTER” key on the computer keyboard tostart the calibration-at-idle phase.

EXIT

Pressure

Wait for the reducer temperature toovercome ok then switch to gas

1

Pag. 26 - 88

Wait until the blue calibration bar moves all the way to the right.If calibration is successful, the window shown below will open.

1

Pressure

Calibration idling


Pag. 63 - 88


*


Pag. 62 - 88

General diagram for 4 cylinder engine Boxer

*


1

Pag. 27 - 88


1

Pressure

Set the engine to approx 2000 REVS

Calibrating out of idling

Accelerate the engine to 2000 RPM and hold engine speedconstant +/- 50 RPM.Wait until the blue calibration bar moves all the way to the right.If calibration is successful, the window shown below will open.

EXIT

Calibration ended successfully

Calibration is now correctly completed. Press “ESC” to return tothe main menu.

1

Pag. 28 - 88


We recommend saving the configuration after the vehicle has beencalibrated.

To save the current configuration, click“ and follow the instructions given onthe screen.

SAVE CURRENT CONFIGURATION”

Enter the filename in the space for that purpose and click OK

1


Pag. 61 - 88


*

*

Modification of the lambda probe connections

DESC

RIP

TIO

N

MA

KE

THIS

MO

DIF

ICATI

ON

IFTH

ESG

ISSO

FTW

ARE

REA

DS

THE

LAM

BD

APRO

BE

SIG

NA

LIN

CO

RREC

TLY.

ASS

EM

BLY

DIA

GRA

M(M

OD

IFIC

ATI

ON

OF

THE

LAM

BD

APRO

BE

CO

NN

EC

TIO

NS)

Pag. 60 - 88

GREY

WH

ITE

BLA

CK

DO

UBLE

EXC

HA

NG

ERELA

Y

A.E

.B.RL3

2A

EN

GIN

EG

RO

WN

D

PRE-C

ATA

LYTI

CO

XIG

EN

SW

ITC

HG

AS

ON

IMPO

RTA

NT

!!!

THE

MO

DIF

ICATI

ON

HA

STO

BE

APPLI

ED

ON

LYIF

TEN

SIO

NFO

UN

DO

NTH

EBLA

CK

WIR

E

OF

THE

LAM

BD

ASEN

SO

RIS

BETW

EEN

0,7

E1,5

VO

LTS.

Istruzione di taratura semplificata

Pag. 29 - 88

To load a new configuration, click:“ ”.

Select a filename from the list and click OK.

ATTENTION!Once OK has been clicked, the software will proceed withprogramming the control box for the selected configuration.

LOAD NEW CONFIGURATION

Pag. 30 - 88

SGIS General diagram

12

13

83

9

11

10

5

14

74

4

6

21

15

1)In

dic

ato

r-re

ad

ysw

itch

2)A

EB

co

ntro

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3-6

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10

15

7BIG

AS

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me

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onne

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as

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Pag. 59 - 88

Pag. 58 - 88

Point by point calibrationinstruction manual

Pag. 31 - 88

Pag. 32 - 88

APPENDIX

Pag. 57 - 88

Pag. 56 - 88

- Before beginning configuration of the control box,

check that all the cable connections are correct and

that the hardware key is inserted in the computer.

- Double-click the “Sequential GIS” icon on the Windows

desktop to launch the software.

INTRODUCTION

Vehicle configuration is performed in two phases.The first phase consists of entering the technical data for thevehicle. The second consists of actual calibration of the vehicle.

To access the first phase, click on: “ ”VEHICLE CONFIGURATION

Pag. 33 - 88


IMPORTANT NOTICE

Before proceeding with calibration, check that the TPS, MAP,RPM, LAMBDA, TEMPERATURE, PRESSURE, and LEVEL values havebeen correctly detected.

In particular, should the RPM value not be similar to that givenby the vehicle engine speed indicator:

- shift the RPM signal pickup point.- if unsure of the specific connection, try all the leads tothe engine ECU comb one by one until the monitordisplays the correct value.- if these steps still do not solve the problem, connect the

special AEB adapters to the ignition coil.

Pag. 34 - 88

GAS change-over


To load a new configuration, click:“ ”.

Select a name from the list and press OK.

IMPORTANT!Once OK has been pressed, the software will program thecontrol box with the selected configuration.

LOAD NEW CONFIGURATION

Pag. 55 - 88


We recommend saving the configuration once the automobilehas been fully tuned.

To save the current configuration, click:“ ” and follow the instructions.SAVE CURRENT CONFIGURATION

Enter a filename in the space for that purpose and clickOK. If the configuration is an improvement of an existingmap, overwrite the old map by saving with the samefilename.

1

1

Pag. 54 - 88


1

2

3

4

5

6

7

Select the RPM signal type (Standard>5 Volt Weak<5 Volt).

Enter the number of engine cylinders.

Enter fuel switching mode (for vehicles with unstable TPSsignals, select switching in acceleration and do not use theCUT-OFF).

Enter the RPM value for switchover to gas fueling.

Enter the RPM value for engine speed limiter cut-in

Enter the minimum pressure reducer temperature value forfuel switchover

Enter the gasoline-to-gas fuel switchover delay time, inseconds

(We recommend temperature = 25°C).

(We recommend leaving the value = 0).

Pag. 35 - 88

GAS change-over

1

2

3

4

5

6

7


Lambda

- Press F2 to access lambda probe configuration.

1

2

3

4

Select the lambda probe output signal on the basis of thevalue shown in the box during gasoline-fueled operation.

Enter the number of lambda probes connected to the GISWhen the

no. 2 lambda probe is inserted, two lambda value reportboxes will be shown on the display. The left-hand boxcorresponds to the first block (1).

Enter the lambda probe reading time delay, in seconds

If necessary in order to adapt the lambda signal value (inVolts) to the standard sensors value, enter the lambdaprobe ground reference value (in Volts) when lean mixtureis detected

(This value is always = 1 for 4-cylinder engines).

(We recommend an initial setting = 10 and then measuringthe lambda probe response time after starting the enginein the gasoline operation mode.

(We recommend leaving the setting = 0, atleast initially).

*

Pag. 36 - 88

1

2

3

4


Screen displaying the acquired map curves.

The map may be modified from this screen as well. With themouse, scroll to the desired line and left-click. Then move themouse cursor to the value to be modified; hold down the leftmouse button and move down or up to the desired value.

Pag. 53 - 88


Miscellaneous

- Press F9 to access “Miscellaneous”

SECOND PHASE OF MAPPING

- Always make use of the controlled return to idle function(zeroing of the correction when decelerating below the 1000RPM threshold); it is possible to maintain a small correction of +10-10 (+1% -1% on the map).- Use the idle lock function if it is not possible to otherwisestabilize the idle (the corrector never goes below zero).

Pag. 52 - 88


TPS

1

2

3

4

5

- Press F3 to access TPS configuration.

Select the type of TPS installed on the vehicle, with reference tothe value shown in the box

Indicate whether or not an additional TPS switch (besides linearTPS) is installed on the vehicle, and if so, the type.

Select this option if a drive-by-wire system is installed on thevehicle .

Enter the TPS hysteresis value (in Volts) for more uniform operationof cut-off and fuel enrichment

If the GIS software does not automatically detect the minimumvalue of the TPS signal, select this option to manually set the TPS

(Direct 0-12 Volt, Inverted 12-0 Volt).In the case of a single TPS switch, connect the linear TPS lead ofthe GIS to it and enter the values in this box.

(Option not currently available)

(We recommend not changing thisvalue initially and in any case, when stepping up the value, toproceed by 0.01 V intervals).

(We recommend not selecting this option, initially). When the TPSsignal is stable, the value in Volts displayed on the screen will beshown in red with the accelerator not pressed (idle speed); thecolor of the value display must change to blue when the engine isaccelerated slightly.

*

Pag. 37 - 88

1

2

3

4

5

*


- Press F4 to access lambda probe emulation configuration.

1 Select the lambda probe emulation type from among theavailable options. This information is provided on thetechnical information card specific to each vehicle or isavailable from the supplier's technical service.For FEEDBACK emulation see the next page.

Pag. 38 - 88

Emulation

1


Enrichment

- Press F8 to access the “Enrichment” window.


- To reduce the acceleration response delay, select a value ofup to 40 (4% enrichment on the map); this solution slightlyincreases LPG consumption.- For methane gas use, we recommend negative values to -40(-4% on the map).

Pag. 51 - 88



- Again with the engine in neutral gear, accelerate brusquely. Ifthe engine speed (RPM) does not increase uniformly, select cellsas shown in the figure. Press ENTER/RETURN; in the “ModifyMap Values” window, use the “Percentage” option to modify thevalues by making small corrections, positive if the mixture islean and negative if the mixture is rich.

Pag. 50 - 88

Correct Map


Correct Map

FEEDBACK MAPPING (for automobiles for which there exists no

specific OBD emulator; e.g., Citroen and Peugeot)

- Emulation with the FEEDBACK system is performed as outlined below.- Once system installation is completed (with the automobile in thegasoline operation mode), the next step is to acquire about 40 pointsdistributed over the entire map. To acquire a point, simply position thedot on the cell; as soon as the lambda probe begins to oscillatebetween red and green, press SPACE to acquire the value. Once pointacquisition is completed, click “Download Road-Acquired Map”. In thegasoline fuel mode, proceed at a steady speed to various points onthe map and check that the gasoline correction value (on the lowerright of the display) remains within a maximum value range of +/- 100.If so, the map is good; contrariwise, any chosen point may be preciselycorrected, taking the gasoline correction value as the point value.Example: if at a given point on the map we see a gasoline correctionvalue of 350, use the mouse to light the correction window and enter avalue of -35%.When gasoline mapping is completed, it is possible to go on to GASmapping by setting “Lambda emulation” on the FEEDBACK screen.

- FEEDBACK System

Pag. 39 - 88


CUT-OFF

- Press F5 to access CUT-OFF configuration.

1

2

3

4

Select the CUT-OFF type

Enter the RPM for end of CUT-OFF

Enter the CUT-OFF start delay time, in seconds. This valueaffects driving quality (smoothness)

Enter the CUT-OFF stop delay time, in seconds. This valueaffects driving quality (smoothness) and idling stability

If the engine stalls upon return to idle speed, use only leanmixture or no CUT-OFF.

(For reduced fuel consumptionand faster return to idle select COMPLETE CUTOFF.

(We recommend valuesfrom 1400 to 1600 RPM).

(We recommend notchanging the preset value, at least initially).

(Werecommend selecting values in the 0.04 to 0.48 range).

Pag. 40 - 88

1

2

3

4



- Again with the engine idling, modify the cells adjacent to thered reference point in such a manner as to obtain more similarvalues. This modification will result in greater engine stability atidling speed. In this phase, work in such a manner as to bringthe correction close to zero, with a temperature of about 70°.- For example: maintain a time interval of between 0.4 and 0.8between one line of the map and the next.

Between one RPM line and the next in the interval between 500and 1500 RPM, up to a MAP value of 1.08, maintain a timeinterval between 0.1 and 0.2.

Pag. 49 - 88

Correct Map



- With the automobile in neutral gear and the engine idling (andthe air conditioner off), use the SHIFT and ARROW keys to selectthe first line of the map; press ENTER/RETURN to open the “ModifyMap Values” window. Select the “Absolute” option and enter avalue very similar to that of the cell above the red referencepoint at idle (in this case, cell “A”).- For example: if the stored cell “A” value is 4.14, we will enter avalue of 4.00; this modification will improve the return to idlingspeed at the end of cutoff and reduce the delay inacceleration during gear change.

A

Pag. 48 - 88

Correct Map


GAS level

- Press F6 to access gas fuel-level sensor configuration.

1

2

Select the gas fuel level sensor type.

Select this option to activate switchover to gasoline fuelingwith a low gas bottle level

Basic vehicle configuration ends here.

Click the “X” in the top right corner of the active window toreturn to the main menu.

(For other types ofsensors, use AEB adapters).

(We recommend not makinguse of this option).

Pag. 41 - 88

1

2


Correct Map

- Press F7 to access mapping.

The operations for performing mapping of the SGIS control box areoutlined below.

- In order to make use of probe emulation with gasoline feedback, the gasoline map must be createdbefore switching over to GAS fueling.- Start the automobile and switch to GAS fueling when the temperature exceeds 60°.- With the vehicle idling, use the SHIFT and ARROW keys to highlight the map cells around the red referencepoint.- Check the A correction value. If this value oscillates between +/- 40 and the lambda probe displayed onthe screen changes color continually between red and green (lambda control condition 1.00), press theBACKSPACE key to acquire the datum (if the datum is successfully acquired the cell under the dot will turnwhite) and go on to recording the next point.

- If the A correction value oscillates between 200 and 100, press the ENTER/RETURN key to open the “ModifyMap Values” window, select the “Percentage” option and enter a value of -5. Press OK. At this point thehighlighted values will change and the correction will oscillate between 150 and 50. Repeat the operationuntil the correction oscillates within the +/- 40 range and the lambda probe displayed on the screenchanges color continually between red and green (lambda control condition 1.00). Press the BACKSPACEkey to acquire the datum and go on to recording the next point.

- If the A correction value oscillates between +200 and +100, press the ENTER/RETURN key to open the“Modify Map Values” window, select the “Percentage” option and enter a value of +5. Press OK. At thispoint the highlighted values will change and the correction will oscillate between +150 and +50. Repeatthe operation until the correction oscillates within the +/- 40 range and the lambda probe displayed on thescreen changes color continually between red and green (lambda control condition 1.00). Press theBACKSPACE key to acquire the datum and go on to recording the next point.

A

Pag. 42 - 88


INSERTION OF THE ACQUIRED DATA

- With the automobile in neutral gear and the engine idling,press the “Download Road-Acquired Map” button. Severalseconds later the curves of the map thus obtained will bedisplayed. Calibration is now terminated; to obtain even moreprecise values, repeat the operations relative to registration ofthe five points (use of a greater number of points can improvethe precision of the map).

The first phase of mapping is thus concluded. The second phaseconsists of manual modification of certain map values.

N.B. We recommend saving the first part of the procedureunder the name of the automobile. In case of errors in thesecond phase it will thus be possible to restore the valueswithout having to repeat the road test.

Pag. 47 - 88

Correct Map


RECORDING THE FIFTH POINT

- In second gear, using both the accelerator and the brake, run the engine at a steady speed of about3000 RPM. Use the SHIFT and ARROW keys to highlight the map cells around the red reference point.- Check the A correction value. If this value oscillates between +/- 100 and the lambda probe displayed onthe screen changes color continually between red and green (lambda control condition 1.00), press theBACKSPACE key to acquire the datum and go on to recording the next point.


- If the A correction value oscillates between +200 and +100, press the ENTER/RETURN key to open the“Modify Map Values” window, select the “Percentage” option and enter a value of +5. Press OK. At thispoint the highlighted values will change and the correction will oscillate between +150 and +50. Repeatthe operation until the correction oscillates within the +/- 100 range and the lambda probe displayed onthe screen changes color continually between red and green (lambda control condition 1.00). Press theBACKSPACE key to acquire the datum and go on to recording the next point.

A

Pag. 46 - 88

Correct Map


Correct Map

RECORDING THE SECOND POINT

- In neutral gear, accelerate the engine to a steady speed of about 4500 RPM. Use the SHIFT and ARROWkeys to highlight the map cells around the red reference point.- Check the A correction value. If this value oscillates between +/- 100 and the lambda probe displayed onthe screen changes color continually between red and green (lambda control condition 1.00), press theBACKSPACE key to acquire the datum and go on to recording the next point.



A

Pag. 43 - 88


RECORDING THE THIRD POINT

- In second gear, using both the accelerator and the brake, run the engine at a steady speed of about1000-1500 RPM. Use the SHIFT and ARROW keys to highlight the map cells around the red reference point.- Check the A correction value. If this value oscillates between +/- 100 and the lambda probe displayed onthe screen changes color continually between red and green (lambda control condition 1.00), press theBACKSPACE key to acquire the datum and go on to recording the next point.



A

Pag. 44 - 88

Correct Map


RECORDING THE FOURTH POINT

- In second gear, using both the accelerator and the brake, run the engine at a steady speed of about4500 RPM. Use the SHIFT and ARROW keys to highlight the map cells around the red reference point.- Check the A correction value. If this value oscillates between +/- 100 and the lambda probe displayed onthe screen changes color continually between red and green (lambda control condition 1.00), press theBACKSPACE key to acquire the datum and go on to recording the next point.



A

Pag. 45 - 88

Correct Map


Documents

lpg.myzen.co.uklpg.myzen.co.uk/gas4car/usb/ISGI001_MANUALE_ISTRUZ_SGIS... · 2012. 7. 2. · Author: Officina Bigas Created Date: 11/22/2005 8:57:51 AM