SAAB WIS ONLINE

(291-2397) Improvement of turbo speed protection B235R

Symptom: Turbo damage

MODIFICATION INSTRUCTION
Bulletin Nbr: 291-2397
Date: ........... Januari 2003
Market: all
Improvement of turbo speed protection B235R

Customer Satisfaction Campaign 154 22

Cars in stock must be rectified before delivery.

A personal communication must be sent to the owners of cars already delivered requesting them to get in touch with the nearest Saab garage as soon as possible to have the fault rectified.

Cars affected

Saab 9-5 M 02 with engine alternative B235R.

Saab 9-5 M 03 with engine alternative B235R up to and including Vehicle Identification Number 33016966.

Note

Tools to use with SPS programming:

PC with TIS2000 and WIS installed

86 12 558 Dongle with adapter

Tech 2 with 32 Mbit card

Tech 2 PC cable with RS232 adapter (max length 10 m)

86 12 533 Battery tester (EU)

Pliers


Background

Driving in a combination of high external air temperature and high altitude can result in a too high turbo speed. This can in turn cause permanent damage to the turbo. In order to protect the turbo, new software with improved overspeed protection has been developed.

Symptom description

Turbo damage



Procedure

Before proceeding, check box B4 of the modification identity plate. If the box is not marked, proceed as follows.

Trionic 7 is programmed using:

53 86 313 Software , M02

53 86 107 Software M03

Use Tech 2 version "105.500" or later and TIS "2002-6 update 5" or later.

SPS programming Trionic 7

12 Volt current requirement for programming

It is essential that the battery is in good condition in order to carry out successful SPS programming. Before work is begun the status of the battery must be checked. This is done with 86 12 525 Battery tester ". Follow the battery tester instructions. Remove the car's main fuses by the battery in order to eliminate system noise during the test. Fit the main fuses after the battery test has been carried out.

If necessary, charge the battery with low level current (less than 15 A) at the same time as SPS programming is carried out. Avoid rapid charging (above 20 A) as this can disrupt SPS programming.

Note

DICE starts the cooling fan when Trionic 7 is programmed, this is why it does not receive an engine temperature signal via the bus from Trionic 7.


Follow the instructions below carefully for a successful result.


1. Connect Tech2 to the data link connector.

2. Start Tech2 and choose Service Programming System (SPS) .

3. Choose Request Information .

4. Then choose: model year, car type, group, car system.

5. Follow the directions in Tech2.

6. Disconnect Tech 2 from the car, and connect it to the COM port on the computer (flat cable). TIS 2000 must be installed on the computer.

7. See whether the software version on the computer is newer than the one in Trionic 7. If so, download it to Tech 2.

8. Disconnect Tech 2 from the computer and reconnect it to the car.

9. Start TECH2 and choose Service Programming System (SPS) .

10. Choose Program Control Module .

11. Follow the directions in Tech2.

12. Wait for the entire programming procedure to complete. It will take approx. 20 minutes.

13. When the programming is complete: switch off the ignition, connect the cooling fan and test start.

If the engine does not start: Switch off the ignition, undo and refit the fuse for Trionic 7, no. 17 and test start.


Marking the modification identity plate

On completion of the necessary procedure, box B4 of the modification identity plate must be marked. If the work was carried out by the importer, mark the box with a "7". If done by a dealer, mark with an "8".

Standard times-/Warranty information

See separate information.