S6 V8-4.2L (BBD) (2004)
Malfunction Indicator Lamp: Testing and Inspection
Electronic Power Control (EPC) Lamp Functional Check
Functional check on warning lamp
-
Start engine.
Specified value: If no DTCs relating to the electronic throttle system are stored in the DTC memory the EPC warning lamp should illuminate for
about 3 seconds after the engine is started.
If the EPC warning lamp does not illuminate:
-
Check wiring from engine control module to EPC warning lamp in instrument cluster.
-
Check DTC memory of engine control module.