Saab 9000 User manual

Technical data 1

Special tools 11

Technical description 15

Saab 9000 Fault diagnosis 93

Adjustment/replacementof components 307

Connectors and grounding points 333

SERVICE Wiring diagram 342

MANUAL

T2:7 Enginemanagement

----

system

TrionicOBDII

M 1996-

Foreword

This manual contains descriptions of the

Trionic 08D II engine management system

for model year

1996-

Saab

9000

cars.

The manual is intended for use as a service

manual and also as a workbook in connec-

tion with the training of instructors and me-

chanics.

l All particulars and illustrations in this Ser-

vice Manual are based on the version of the

cars prevailing at the time of going to press.

We reserve the right to introduce changes

without prior notice.

Saab Automobile AB

RECYCABLEPAPER

Warning, Important and Note

The headings "Warning", "Important" and "Note"

occur from time to time in the Service Manual. They

are used to draw the attention of the reader to in-

formation of special interest and seriousness. The

importance of the information is indicated by the

three different headings and the difference between

them is explained below.

WARNING

Warns ofthe risk of material damage and grave

injury to mechanics and the driver, as well as

serious damage to the car.

Important

- Points out the risk of minor damage to the car and

also warns the mechanic of difficulties and time-

wasting mistakes.

Note

Hints and tips on how the work can be done in a

way that saves time and labour. This information is

not supplied for reasons of safety.

Marketcodes

The codes refer to market specifications

Austria

Australia

Belgium

Canada

Switzerland

Germany

Denmark

Spain

Europe

Far East

Finland

France

©Saab Automobile AB 1995

Production: Service Support, Saab Automobile AB, Trollhattan, Sweden

Great Britain

Greece

Iceland

Italy

Japan

Middle East

Netherlands

Norway

Sweden

USA

US California

Technical data 1

Te.chnicaldata ,-

Engine control module ................. . 2 Injectors 6

Crankshaft position sensor . . . . . . .. . . . .. . 2 Ignition discharge module . . . . . . .. . . . . . . . 6

Manifold absolute pressure sensor . . . . . . . 3

Intake air temperature sensor . . . . . . . . . .. . 3

Engine coolant temperature sensor . . . . . . . 4

Spark plugs ........... _.. . . . . .. . . . . . . . . 7

Idle air control valve . . . . . . . . . . . . .. . . . . . . 7

Throttle position sensor . . . . .. . . . . . .. . . . . 4 Boost pressure control valve . . . . . . . . . . .. . 8

Front heated oxygen sensor (before three

way catalytic converter) . . . .. . . . . . . . . .. . . 5

Rear heated oxygen sensor (after three

EVAPcanister purge valve . . . . . . . . . . . . . . 8

Fuel pressure regulator . . . . . . . .. . . . . . . . . 9

way catalytic converter) . . . . . . . . . . . .. . . . . 5 Fuel pump............................. 9

Saab 9000

2 Technicaldata

Engine control module

Number of pins

Power supply (+30 circuit) pin Nos. 1 and 48

Power supply (+15 circuit) pin Nos. 60

Power ground pin Nos. 24 and 25

Sensor ground (output) pin Nos. 67

Reference ground, engine coolant pin Nos. 66

temperature sensor

Reference ground, front and rear pin Nos. 47

heated oxygen sensors

Crankshaft position sensor

Location Mounted in crankcase wall

Type Inductive sensor

Resistance, pins 1-2 at 20°c (68°F} Ohms 540±55 ·

Perforated ring number of ribs 58 (60-2)

Distance between sensor and ring mm .0.4-1.3

Saab 9000

Technicaldata 3

3---------

2.5 --------"---1----1

2-------------

0.5 ------------

025 50 kPa

75 100 125 150 175

•

Manifold absolute pressure sensor

Approx. voltage at 25 kPa (- o.75 approx. 0.48

bar)

50 kPa (- 0.50 bar) approx. 0.95

100 kPa (±0 bar) approx. 1.9

125 kPa (0.25 bar) approx. 2.4

150 kPa (0.50 bar) approx. 2.8

175 kPa (0.75 bar) approx. 3.3

Pressurein kPa is absolutepressure,i.e. 100kPacorrespondstobarometricpressure.

Whencheckingthepressuresensorusingapressure/vacuumpump,somewhatlowervoltagereadingsmaybe

obtainedat highaltitudes.

Powersupply:5 V.

kOhm

Intake air temperature sensor

0 C(Of) kohms V

-30 (-22) 20-30 approx. 4.5

-10(-14) 7.0-11.4 approx. 3.9

20 (68) 2.1-2.9 approx. 2.4

40 (104) 1.0-1.3 approx. 1.5

60 (140) 0.565-0.670 approx. 0.9

80 (176) 0.295-0.365 approx. 0.54

90 (194) 0.24-0.26 approx. 0.41

Powersupply:5 Vthrougha 2.74 kohm resistorin thecontrolmodule.

Saab9000

4 Technical data

kOhm

9.2

+···

!!t::~==~--,_

0.32 ' ' '

~:~~

::.! :

j ;

II I I

-40 -20 0 20 40

•

Engine coolant temperature sensor

(Of)

kohms V

-30 (-22) 20-30 approx. 4.5

-10 (-14) 7.0-11.4 approx. 3.9

20 (68) 2.1-2.9 approx. 2.4

40 (104) 1.0-1.3 approx. 1.5

60 (140) 0.565-0.670 approx. 0.9

80 (176) 0.295--0.365 approx. 0.54

90 (194) 0.24-0.26 approx. 0.41

110(230) 0.14-0.16 approx. 0.26

Power supply: 5 V through a 2.74 kohm resistor in the control module.

Throttle position sensor

kohms

pins 1-2 1.6-2.4

Idling speed, pins 2-3 0.8-1.2

Wide open throttle, pins 2-3 2.0-3.0

The throttle position sensor's pins are gold-plated.

Power supply: 5 V

o·

20· 30· 40·

so· so·

10·

ao·

90·

5±0.1

0.5±0.4

4.5±0.4

Saab 9000

Technicaldata 5

•

0.8

0.6

--------

0.4

0.2

C\I

-;:.

0.80 0.90 1.00 1.10 1.20

').,

C\I

(.)

Front heated oxygen sensor (before three way catalytic converter)

Type

Rating, heating element

Control range

Resistance at 20°c (68°F), pins 1-2

Pins 3 and 4 are gold-plated.

Bosch LSH25Pwith electric heating

Watts 18

V 0-1

Ohms 2.0 +0.5 (PTC)

-0.2

0.8

0.6

0.4

0.2

•

0 ._____,___.._______,______,

0.80 0.90 1.00 1.10 1.20

').,

Rear heated oxygen sensor (after three way catalytic

converter)

Type

Rating, heating element

Control range

Resistance at 20°c (68°F), pins 1-2

Pins 3 and 4 are gold-plated.

Bosch LSH25PLwith electric heating

Watts 18

V 0-1

Ohms 2.0 +0.5 (PTC)

-0.2

Saab 9000

6 Technical data

Injectors

Type

Design

Resistance at 20°c (68°F)

Flow capacity

Maximum permissible difference be-

tween injectors

Ignition discharge module

Number of pins

Power supply

Capacitor voltage

lgn~tion

voltage, max.

Firing order

Ionization voltage

Bosch EV1-3E, red

4-hole

Ohms 12.0±0.35

ml/30S· 176±14

ml 18

V 12

V 400

V 40000

1-3-4-2

V 80

Saab 9000

Technicaldata 7 I

Spark plugs

Manufacturer NGK

Type BCPR 7ES

'---- Electrode gap mm (in) 1.0+0.1

-0.0

(0.0394+0.00394

-0.0)

Tightening torque Nm (lbf ft) 27 (20)

Idle air control valve

Number of windings 1

Winding resistance at 20°c (68°F) Ohms 7.7±1

Control voltage PWM 12 V 500 Hz

Idling speed, warmed-up engine 850±50 rpm

Saab9000

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