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Home › Audi › 1994 › S4 › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Output Diagnostic Test Mode (DTM) › Basic Setting Diagnostic Test Mode (Function 04) › Requirements

Basic Setting Diagnostic Test Mode (Function 04): Requirements

Engine coolant temperature (185°F) 85°C minimum.
All electrical consumers switched OFF.
A/C switched OFF.