Reading Out And Erasing Fault Memory
Work Procedure:
- Press F7 in the control unit selection screen ('Overview' menu) to call up the Additional menu.
- Select the function "Read all fault memories and erase if required" and press F12 ('Next') to confirm your selection >.
Erasing fault memories
The fault memories of the control units are read out.
- Once you have read out the fault memories, erase the fault memory entries by pressing F8.
Information
If fault memory entries for individual control units cannot be deleted, proceed as follows:
- Switch off the ignition.
- Disconnect the PIWIS Tester diagnostic connector from the diagnostic socket.
- Lock the vehicle using the driver's key.
- Wait approx. 1 minute before unlocking the vehicle again.
- Start the engine, leave it running for a short time and then stop it again.
- Switch off the ignition and wait approx. 10 seconds before switching it back on again.
- Plug the PIWIS Tester diagnostic connector into the diagnostic socket again and restore communication with the vehicle.
- Read out the fault memory again and delete any fault memory entries that are stored.
If the control units still have faults that cannot be deleted and are not caused by control unit programming, these faults must be found and corrected. This work cannot be invoiced under the workshop campaign number.
- Press F12 ('Yes') in response to the question as to whether you really want to delete all fault memory entries.
The faults stored in the fault memories of the various control units are deleted.
- Once you have erased the fault memories, select the 'Overview' menu to return to the control unit selection screen >.
Control unit selection