Global Check, Reading Trouble Codes

The global check scans all ECUs assigned to the vehicle software for stored trouble codes.

NOTICE

notice

The stored trouble codes cannot be retrieved any more after global check with trouble code deletion. Therefore, it is recommended to perform the global check with trouble code reading first.

Proceed as follows to perform the global check with trouble code reading:

  1. Perform steps 1 to 11 as described in section Vehicle selection.

  2. CAUTION

    caution

    Pulling off of the HG-VCI PC when actuating the clutch

    Risk of injury or material damages

    Proceed as follows before startup:

    1. Apply the parking brake.

    2. No gear is engaged.

    3. Regard the window with information and instructions.

  3. NOTICE

    notice

    Danger of short circuit and voltage peaks when connecting the HG-VCI PC

    Danger of destruction of automotive electronics

    Switch off ignition before connecting the HG-VCI PC to the vehicle.

  4. Connect the HG-VCI PC to the vehicle's diagnostic connection.
  5. Both LEDs of the HG-VCI PC flash.
  6. The HG-VCI PC is ready for operation.
  7. Select Diagnostics > Function > Trouble codes.

  8. NOTICE

    notice

    The selection of the following possibilities depends on the selected manufacturer and vehicle type:

    - Functions

    - Component groups

    - Systems

    - Data

  9. Select >Global check<.
  10. Call up the >Information< tab.
  11. Follow the instructions on the screen.
  12. Call up the ECU overview with .
  13. Select further sub-categories where necessary.
  14. The device indicates all ECUs installed in the vehicle.
  15. The device automatically activates all ECUs.
  16. Deactivate all ECUs with .
  17. Activate all ECUs with .
  18. Activate/deactivate the requested ECUs.
  19. Start the global check with trouble code reading with .
  20. Communication to vehicle is being established.
  21. Activated ECUs are read out. This may take a few minutes.
  22. The number of trouble codes in the prevailing ECU memory is indicated.
  23. You can call up a print preview with a list of the individual trouble codes for the respective ECU with .
  24. You can close the print preview with a list of the individual trouble codes for the respective ECU with .
  25. Call up the required trouble codes under Faults in the respective ECU memory with .
  26. The device indicates all trouble codes and repair tips.