Reading and Clearing Diagnostic Trouble Codes

Engine control module fault memory, reading and erasing
Special tools, testers and auxiliary items required





- Vehicle Diagnosis, Testing and Information System VAS 5051
- Diagnosis cable VAS 5051/1 or VAS 5051/3

Work sequence





- Connect vehicle diagnosis, testing and information system VAS5051 - 1 -as follows:
- Connect diagnosis cable VAS 5051/1 or VAS 5051/3 - 2 - to diagnosis connection.
- Start engine and run at idling speed.
- Only when engine does not start:
- Switch on ignition.

Selecting operating mode
- Press button on display for "Vehicle self-diagnosis" .

Selecting vehicle system
- Press button "01 - Engine electronics" on display.
- The control module identification and coding are indicated on the display.

Selecting diagnostic function
- Press button "02 - Read fault memory" on display.
- If no fault is stored in the engine control module "0 fault(s) detected" is displayed.
- If faults are stored in the engine control module, these are shown one below the other on the display.
- Press (arrow) key.
- Press button "05 - Erase fault memory" on display.
- Press function "06-End output" .