Dann ist es keine Trionic und damit gibt es auch keinen Ansauglufttemperaturfühler. Zumindest keinen, der alleine auszutauschen ist; das Teil ist im Luftmassenmesser integriert. Allerdings stimmen dann meine Angaben bezüglich des Fehlercodes auch nicht.
Die Motronik kann man auslesen, indem man einen Pin links im Motorraum gegen Masse kurschließt und die Zündung einschaltet. Dann sollte eine fünfstellige Numer auszulesen sein. Gab's schon mal 'nen Fred zu...
Edit: da isser:
http://www.saab-cars.de/355563-post11.html
Edit 2: zur Vollständigkeit die Fehlercodes:
Bosch LH 2.4/2.4.1/2.4.2
(flash codes)
Flash Description
code
12111 Oxygen sensor (OS) fault (fuel air mixture on idling)
12112 Oxygen sensor (OS) fault (fuel air mixture engine at cruising speed)
12113 Idle speed control valve (ISCV) adaption fault, pulse ratio too low
12114 Idle speed control valve (ISCV) adaption fault, pulse ratio to high
12211 Battery voltage, less than 10 volts or greater than 16 volts
12212 Throttle switch (IS), idle contacts
12213 Throttle switch (IS), full-load contacts
12214 Temperature sensor signal faulty (below 90°C or above 160°C)
12221 No air mass meter signal
12222 Air conditioning system faulty
12223 Fuel air mixture lean, OS sensor shorting to earth
12224 Fuel air mixture rich, OS sensor shorting to battery voltage
12225 Oxygen sensor (OS) or OS heater fault
12232 Voltage supply to ECM pin 4 is less than 1 volt
12233 Fault in electronic control module (ECM) - read only memory (ROM)
12241 Mixture lean
12242 Hot-wire burn-off function faulty
12243 No signal from vehicle speed sensor
12244 No “Drive” signal (automatic transmission)
12245 Exhaust gas recirculation (EGR) function faulty
00000 No faults detected, or all fault codes have been transmitted
Bosch LH 2.4 ac&ator selection code table
Note: The actuators will actuate in the following sequence. Listen for an audible sound, or touch the component to determine whether it has been activated
Code Description
No display Fuel pump circuit
12411 Injector circuit
12412 Idle speed control valve (ISCV) circuit
12413 Carbon filter solenoid valve (CFSV) circuit
12421 Automatic transmission (auto) drive signal. The SD light ceases flashing when the gear lever is moved from “D” to “N”
12424 Throttle switch (IS), idle contacts. Slightly open the throttle. The SD light ceases flashing once the throttle moves away from the idle position
12431 Throttle switch (IS), full-load contacts. Fully open the throttle. The SD light ceases flashing as the throttle approaches the fully-open position
Bosch LH 2.4/2.4,2 and Saab Direct Ignition (FCR codes)
FCR code FCR code
(permanent) (intermittent) Description
11111 - Reply code for OK
42241 22241 High voltage (1991 -on)
42251 22251 Electronic control module (ECM) pin 4, signal low
42252 22252 Signal low, less than 10 volts
42291 22291 Battery voltage, less than 10 volts/greater than 16 volts
42440 22440 Oxygen sensor (OS) or OS circuit, rich mixture
42441 22441 Rich mixture, idling (1991-on)
42442 22442 Rich mixture, driving (1991-on)
42450 22450 Oxygen sensor (OS) or OS circuit, weak mixture
42451 22451 Weak mixture, idling (1991-on)
42452 22452 Weak mixture, driving (1991-on)
42460 22460 Oxygen sensor (OS) or OS circuit
42491 22491 Idling mixture incorrect
42492 22492 Driving mixture incorrect
44221 24221 Engine RPM signal absent (1991-on)
44261 24261 Vehicle speed sensor (VSS) or VSS circuit (1991-on)
44360 24360 Crank angle sensor (CAS) or CAS circuit
44460 24460 Engine load signal faulty
44660 24660 Pre-ignition fault (knocking or pinking)
44661 24461 Knock sensor (KS) or KS circuit
44662 24462 Combustion, synchronising fault
44671 24671 Pre-ignition signal over 20 seconds
45641 25641 Mass airflow (MAF) sensor or MAF sensor circuit, signal high
45651 25651 Mass airflow (MAF) sensor or MAF sensor circuit, signal low
45691 25691 Mass Airflow (MAF) sensor or MAF sensor circuit
45723 25723 “Drive” signal (automatic transmission)
45771 25771 Throttle pot sensor (IPS) signal or IPS circuit
45772 25772 Throttle pot sensor (IPS) signal or TPS circuit
46221 26221 Coolant temperature sensor (CTS) or CTS circuit, signal low
46271 26271 Coolant temperature sensor (CTS) or CTS circuit, signal high
46391 26391 Exhaust gas recirculation (EGR) system or EGR circuit
58121 38121 Mass airflow (MAF) sensor or MAF sensor circuit, bum-off absent
58321 38321 Air conditioning valve function or circuit
58322 38322 Evaporative loss control device (ELCD) valve function or circuit
58371 38371 Injector or injector circuit
58372 38372 Evaporative loss control device (ELCD) valve or circuit
58382 38382 Evaporative loss control device (ELCD) valve short-circuit (1991-on)
60000 - Internal monitoring
60001 - Read only memory (ROM) fault
60002 - Random access memory (RAM) fault
67192 - Electronic control module (ECM), read only memory (ROM)
...übrigens alles Informationen vom Alex... ;-)