Home >> Audi >> 2009 >> A5 Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> GENERIC SCAN TOOL [CALA] (1 Of 2) (COUPE) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Modes 01 - 09 >> Diagnostic Mode 08 - Request Control Of On-Board System, Test Or Component >> Test Requirements