2008 SAAB 9-3 ignition

206 Car careEmission control
systemsThe systems for controlling emissions to the
atmosphere require regular checking and
adjustment at the intervals specified in the
service program.
In addition to meeting the exhaust emission
regulations and thereby helping to keep the
environment clean, a correctly tuned engine
will also give maximum fuel economy.
Saab Trionic engine
management system, 4-cyl
engineThe Saab Trionic engine management
system is a unique Saab development that
combines sequential multiport fuel injection,
electronic distributorless ignition and turbo-
charger boost pressure control into one sys-
tem.
The Trionic engine control module (ECM)
monitors many different engine parameters
such as:
Intake manifold pressure.
Intake air temperature.
Crankshaft position.
Engine coolant temperature.
Throttle position.
The oxygen content of the exhaust gases.
The ECM receives information regarding
engine knocking from a sophisticated feed-
back function in the ignition discharge unit.
By processing all of this information, the Tri-
onic system can control fuel injector open-
ing duration, ignition timing and turbo-
charger boost pressure to provide excellent
engine performance while maintaining low
emissions and fuel consumption.
WARNING
Engine exhaust, some of its constituents,
and certain vehicle components contain
or emit chemicals known to the State of
California to cause cancer and birth
defects and reproductive harm. In addi-
tion, certain fluids contained in vehicles
and certain products of component wear
contain or emit chemicals known to the
State of California to cause cancer and
birth defects or other reproductive harm.
NOTEThe Trionic engine management system
continuously monitors the operation of
these systems and has on-board diag-
nostic capabilities (OBD II). If the Engine
malfunction (CHECK ENGINE) light in
the main instrument illuminates, the Tri-
onic ECM has detected a problem. The
car will continue to operate, but perfor-
mance may be diminished. You should
have your car checked by a workshop as
soon as possible. We recommend that
you contact a Saab dealer.
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207 Car care
Bosch ME9 engine management
system, V6 engineThe Bosch ME9 engine management
system is a system that combines sequen-
tial multiport fuel injection, electronic distrib-
utorless ignition and turbocharger boost
pressure control into one system and intake
camshaft phasing control.
The ME9 engine control module (ECM)
monitors many different engine parameters
such as:
Charge air pressure.
Intake air temperature.
Crankshaft position.
Engine coolant temperature.
Throttle position.
The oxygen content of the exhaust gases.
By processing all of this information, the
ME9 system can control fuel injector open-
ing duration, ignition timing, intake camshaft
phasing and turbocharger boost pressure to
provide excellent engine performance while
maintaining low emissions and fuel con-
sumption.
ORVR (Onboard Refueling Vapor
Recovery)All hydrocarbons formed when refueling will
be recovered by the car and not released
into the atmosphere. The hydrocarbons are
absorbed in an evaporative emission canis-
ter. When the engine is subsequently
started, the evaporative emission canister is
gradually purged as air is sucked into it
through a shut-off valve. The hydrocar-
bon/air mixture passes through the evap
canister purge valve and into the engine
where it is burned. “Refueling”, see
page 159.
When refueling, make sure you screw the
filler cap on and keep turning until it has
clicked 3 times.
NOTEThe ME9 engine management system
continuously monitors the operation of
these systems and has on-board diag-
nostic capabilities (OBD II). If the Engine
malfunction (CHECK ENGINE) light in
the main instrument illuminates, the ME9
ECM has detected a problem. The car will
continue to operate, but performance
may be diminished. You should have your
car checked by a workshop as soon as
possible. We recommend that you con-
tact a Saab dealer.
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222 Car careWasher jetsThe washer jets, which are adjustable, can
be cleaned with a pin if necessary.
Changing bulbs
Autochecking of lightsThe bulbs that are most important from the
point of view of traffic safety are monitored
by the car’s electrical system. If one of these
bulbs should fail, a message will be dis-
played on the SID.
Example of SID message:
The following bulbs are not checked: park-
ing lights, front fog lights, reversing lights,
license plate lighting, side marker lights and
side direction indicators.
SportCombi
The tail lights and brake lights consist of
LEDs. If approx. 3/4 of the LEDs on one side
are broken then this is indicated in the SID.
If a stop light bulb fails
SportSedan: If a stop light bulb fails, the
adjacent taillight will act as a stop light to
ensure traffic safety. Change the broken
bulb when possible.
All rear light bulbs are of the same type and
rated 21 W, with the exception of the license
plate lighting which is rated 5 W.
WARNING
Before changing a bulb in the engine
bay, switch off the engine to avoid the
danger of fingers and hands being
injured by moving parts.
The radiator fan can cut in even when the
engine is switched off.NOTESwitch off the ignition before changing a
bulb, to avoid possible short-circuiting.
Left low beam failure.
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239 Car care
Fuse panel in end of fasciaNo. Amp. Function
1 15 Steering wheel lock
2 5 Steering column unit; ignition switch
310Hands-free3
410 Main instrument unit; automatic climate control
(ACC)3
57.5 Control module in front doors; Park Brake Shift Lock
(automatic transmission)
6 7.5 Brake light switch
7 20 Dash fuse panel; fuel filler door
8 30 Control module in passenger front door
9 10 Dash fuse panel
1030 Trailer socket3; electrical socket in storage com-
partment between seats3
11 10 Data link connection (diagnostics)
12 15 Interior lighting incl. glove box
13 10 Accessories
14 20 Amplifier 2, Sound System 3
15 30 Control module in driver’s door
16 5 Passenger Sensing System
17 - -
18 - -
19 - -
20 7.5 Headlight levelling switch3
217.5 Hands-free3; brake light switch; manual climate
control3; clutch pedal switch
22 30 Cigarette lighter3
23 40 Cabin fan
24 7.5 Airbag control module
25 - -
265
Yaw sensor (cars with ESP
® )
27 - -
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243 Car care
Fuse panel in front of battery3
33 3
Relays
R 1 Washer fluid pump, windshield
R2 -
R3 -
R4 -
R 5 Flash-to-pass
R6 Horn
R7 -
R8 Starter motor
R 9 Windshield wipers ON/OFF
R10 Washer fluid pump, rear window3
R11 Ignition +15
R12 Windshield wipers, high/low speed
R13 -
R14 Washer fluid pump, headlights3
R15 -
R16 -
No. Amp. Function
1 - Air pump, secondary air3
220 Fuel pump; preheated oxygen sensors (lambda
probe)
3 10 A/C compressor
4 30 Main relay
Relays
1-
2 A/C-compressor
3 Preheated oxygen sensors (lambda probe)
4 Main relay, engine (ECM/EVAP/injectors)
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305 Index
Head restraint, Convertible
_________ 74
Head restraints
__________________ 23
Headlight flasher _________________ 99
Headlight levelling ________________ 98
Headlights
______________________ 98
Hood
_________________________ 204
Horn _________________________ 120
Horn button
____________________ 120
IIf a tire goes flat
________________ 251
Ignition switch
__________________ 152
Immobilizer
_____________________ 55
Important considerations for driving
_156
Important information, petrol-engined
cars with catalytic converters
_____ 157
Indicator lights
___________________ 82
Inflation, tires __________________ 244
Information about fuel
____________ 161
Instrument illumination, adjusting
___ 100
Interior lighting, Convertible
________ 78
Interior lighting, SportSedan and
SportCombi
___________________ 133
Interior rearview mirror
___________ 125
Intermittent malfunctioning, central
locking
_______________________ 50
JJump starting
__________________ 200
KKey
___________________________ 48
Kick-down
_____________________ 167
Kurvljusstrålkastare
_______________ 99
LLabeling, tire sidewall
____________ 252
Labels and plates, location
________ 299
Lashing eyes, SportCombi ________ 146
Lashing eyes, SportSedan ________ 141
Laying the car up
_______________ 181
LATCH (child safety) ______________ 25
Leather upholstery, cleaning
_______ 267
Lighting in luggage compartment,
Convertible
____________________ 79
Limp-home
____________________ 157
Limp-home, automatic transmission
_168
Load carriers, roof
_______________ 194
Load indices, tires _______________ 253
Loading your vehicle _____________ 254
Load-through hatch, SportCombi
___ 145
Load-through hatch, SportSedan ___ 140
Locking a car with flat battery
_______ 51
Locks
__________________________ 48
Long-term parking
_______________ 181
Luggage compartment
___________ 138
Luggage compartment lighting,
Convertible
____________________ 79Luggage compartment lighting,
SportSedan
_______________ 134
, 142
Luggage compartment lighting,
changing
_____________________ 234
MMain instrument panel
_____________ 82
Main/dipped beam
________________ 99
Maintenance schedule
___________ 280
Manual gear selection ____________ 170
Manual gearbox
_________________ 164
Manual tripping of car alarm
________ 58
Materials used in the car, reclamation
273
MAXI fuses
____________________ 238
Memory, driver’s seat
_____________ 21
Messages on SID, Convertible
______ 71
Milometer
_______________________ 90
Moonroof ______________________ 130
Mug holder ____________________ 134
NNew tires, buying
________________ 247
Night driving
___________________ 197
Number plate lighting, changing
____ 233
OORVR
________________________ 207
Oil capacity, engine
______________ 291
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