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Home >> Saab >> 2001 >> 9-3 Base, 4D Hatchback, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (TRIONIC T7 Fuel Control System) >> Technical Description >> Ignition discharge module >> Diagnostics >> System reaction to a fault

System reaction to a fault

WARNING: This page is about a different car, the 2003 Saab 9-3 and 2002 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.


Knock detection takes place in parallel on cylinders 1+4 and cylinders 2+3.

NOTE: If there is a short circuit on any of the two combustion signals to ground, synchronization will not be performed and there will be no diagnostic trouble codes generated for the specific fault. A diagnostic code for misfiring will be generated instead.


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