Engine Control Module, DTC Memory Checking and Erasing

Engine Control Module, DTC Memory Checking and Erasing

Special tools, testers and auxiliary items required

• Vehicle diagnostic, testing, and information system (VAS 5051)

Connect the (VAS 5051) as follows:





- Connect the diagnostic cable connector - 2 - to the Data Link Connector (DLC) in the driver's footwell.

- Start the engine and run at idle speed.

Only if engine does not start:

- Switch on the ignition.

Selecting Operating Mode:

- Press button on display for "Vehicle On Board Diagnostic (OBD) ".

Selecting Vehicle System:

- Press button "01 - Engine electronics" on display.

The control module identification with coding - 2 - as well as Vehicle Identification Number (VIN) in center area and identification of anti theft immobilizer appear on the display.





• A printout is available. Press the "print" button if required.

Selecting Diagnosis Function:

- Press button "02 - Check DTC memory" on display.

- If no malfunction is stored in the Engine Control Module (ECM), " 0 DTC(s) detected" is displayed.

- If malfunctions are stored in the ECM, these are shown one below another on the display.

- Press the <- key.

- Press button "05 - Erase DTC memory" on display.

- Press function "06 - End output".

• If the Diagnostic Trouble Code (DTC) memory was erased, a readiness code must be generated again. Refer to --> vehicle diagnosis, testing and information system (VAS 5051) "Guided Functions".