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Home >> Audi >> 2002 >> A4 Sedan (8E2) L4-1.8L Turbo (AMB) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Malfunction Indicator Lamp >> Testing and Inspection >> MIL Functional Check
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MIL Functional Check



Malfunction Indicator Lamp (MIL) -K83- in Instrument Cluster, Checking

Functional check on MIL
- Switch ignition on.
- The Malfunction Indicator Lamp (MIL) -K83- for self-diagnosis must illuminate.
- Start engine.
- Shortly after starting the engine the MIL goes out if no exhaust emission related DTC is stored in the DTC memory.

NOTE: The switch-on signal for the MIL is transferred via CAN-bus to the instrument cluster by the ECM. Check the data exchange between ECM and other CAN-bus control modules. Testing and Inspection
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