9-3 SE Hatchback (9400) L4-2.0L Turbo (B205) HO (2000)
Checking Bus
ONE OR MORE BUS SYSTEMS CANNOT BE CONTACTED CAUSE One or more control modules are not communicating on the bus
DIAGNOSTIC PROCEDURE Press <OK> to view missing control module.
OK
If <OK> is pressed, a list of the control modules fitted as original equipment on the car will be displayed. "OK" is shown on the right of each control
module if it is communicating correctly and "Missing" if the control module is missing from the bus.
Bus Configuration
Instrument Bus Systems
TWICE (Theft Warning ICE)
OK
SID (Saab Information Display)
OK
MIU (Main Instrument Unit)
Missing
Audio system
OK
ACC (Automatic Climate Control)
OK
CD Changer
OK
More
Regardless of whether <ENTER> or <EXIT> is pressed, the Tech 2 will try to communicate with the selected control module. If the Tech 2 cannot
contact the selected control module, the following menu will appear:
MIU (Main Instrument Unit)
NO COMMUNICATION WITH THE SYSTEM Check the selected car model Press <ENTER> to try again Press <EXIT> to end. Should the trouble
persist.
3
No communication with any of the Systems not connected to the bus.
The fault then probably is caused by the control module not being supplied with power or that the diagnostic cable is not connected to the control
module. If Tech 2 cannot make contact with the system, the following menu will be displayed:
Airbag
NO COMMUNICATION WITH THE SYSTEM Check the selected car model Press <ENTER> to try again Press <EXIT> to end.
Changing car configuration
If a new control module connected to a bus is installed in the car, the list will be appended automatically.
If a control module connected to a bus, such as the CD changer, is removed from the car, the list can be reset to zero with a command under "All
systems/Read/Clear Configuration" or "DICE/Read/Clear Configuration".
Bus Configuration
Instrument Bus Systems
TWICE (Theft Warning ICE)
OK
SID (SAAB Information Display)
OK
MIU (Main Instrument Unit)
OK
Audio system
OK
ACC (Automatic Climate Control)
OK
CD Changer
Missing
Reset
More
Before Changing A Control Module
Experience has shown that the majority of control modules returned for warranty repairs are in perfect working order. In these cases, changing the
control module has obviously not cured the fault. Check the following points before changing the control module:
1
Check all grounding points and the power supply for the control module.