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Home >> Audi >> 1997 >> A4 Sedan (8D2) V6-2.8L (ACK) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Testing >> Read Measuring Value Block (Function 08) >> Display Group Diagnostic Charts >> Display Group 009 - 029 >> Display Group 020 & 021
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Display Group 020 & 021

Display Groups 020 And 021:





Display Group 022:





NOTE: Display groups 020 and 021 are only considered in vehicles with Secondary Air Injection (AIR) system.
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