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Significance of exhaust gas warning lamp > < Technical data of self-diagnosis
Significance of EPC warning lamp (fault lamp for electronic accelerator) in dash panel insert
Significance of EPC warning lamp (fault lamp for electronic accelerator) in dash panel insert
“EPC” is the abbreviation for Electronic Power Control.
   
Location of EPC warning lamp.
If faults are recognised in electronic accelerator system when the engine is running, the engine control unit will switch on the EPC lamp (these faults are marked in the fault table). Simultaneously an entry is made in the engine control unit fault memory.
Functional check:
–  Switch ignition on: The EPC warning lamp should light up.
If the EPC warning lamp does not light up with the ignition on:
–  Test the dash panel insert and EPC warning lamp with the ignition on → Electrical system, self-diagnosis; Rep. Gr.01.
If the EPC warning lamp lights up with the ignition on:
–  Start engine and run at idling speed: The EPC warning lamp should switch off after a few seconds.
If the EPC warning lamp does not switch off:
–  Interrogate fault memory, if necessary, repair any faults and then erase fault memory → Chapter; interrogating and erasing fault memory.
  E01-0117

Significance of exhaust gas warning lamp > < Technical data of self-diagnosis