RS 6 V8-4.2L Turbo (BCY) (2003)
Malfunction Indicator Lamp: Testing and Inspection
Electronic Power Control (EPC) System, Checking
Electronic Power Control (EPC) Warning Lamp -K132-, Checking
Checking operation of warning lamp
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Switch on ignition.
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Engine control module activates EPC warning lamp.
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Start engine.
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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.