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Home >> Audi >> 2003 >> RS6 (4B4) V8-4.2L Turbo (BCY) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Electronic Power Control (EPC) System >> Electronic Power Control (EPC) System, Checking
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Electronic Power Control (EPC) System, Checking



Electronic Power Control (EPC) warning lamp -K132-, checking

Checking operation of warning lamp

- Switch on ignition.
- Engine control module activates EPC warning lamp.

- Start engine.
- Shortly after starting engine, EPC lamp goes out if no faults of relevance to the EPC system have been stored in the fault memory.

NOTE: The activation signal for the warning lamp is transmitted from the engine control module to the instrument cluster by means of the CAN bus.
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