Component Tests and General Diagnostics

DTC Memory, Checking and Erasing

Special tools, testers and auxiliary items required

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

• Diagnosis cable (VAS 5051/1) or (VAS 5051/3)

Work procedure

- Connect vehicle diagnosis, testing and information system (VAS 5051) as follows:

- Connect connector of diagnosis cable (VAS 5051/1) or (VAS 5051/3) to Data Link Connector (DLC).





- Start engine and run at idle speed.

Only when engine does not start:

- Switch ignition on.

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 as well as Vehicle Identification Number (VIN) and identification of anti-theft immobilizer appear on the display.

• A printout is available. Press Print button, if required.

- Press -> key.

Selecting diagnosis function:

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

- If no malfunction is stored in engine control module, "0 DTC(s) detected" is displayed.

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

- Press <- key.

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

- Press function "06 - End output".