Malfunction Indicator Lamp For Electronic Throttle Control

- Switch on ignition: the EPC warning lamp must light-up

If the EPC warning lamp does not light-up with ignition switched on:
- Check combi-instrument and EPC warning lamp as follows:

If the EPC warning lamp lights-up with ignition switched on, continue check as follows:
- Start engine and run at idling speed: EPC warning lamp must go out after a few seconds.

If the EPC warning lamp does not go out:
- Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory, interrogating and erasing DTC memory. Refer to "Displaying and Reading Trouble Codes/With Manufacture Scan Tool/Check DTC Memory (Function 02)" under "Computers and Control Systems", Testing and Inspection
- Read readiness code See Page 01-120. Refer to "Monitors, Trips and/or Drive Cycle/ Reading Readiness Code" under "Computers and Control Systems", Testing and Inspection
If the DTC memory has been erased or the engine control module was disconnected from permanent positive, the readiness code must be generated again.

See Engine code AWW. Refer to "Monitors, Trips and/or Drive Cycle/Generating Readiness Code" under "Computers and Control Systems" Testing and Inspection
See Engine code AWP. Refer to "Monitors, Trips and/or Drive Cycle/Generating Readiness Code" "Computers and Control Systems" Tools and Equipment