Checking
Features Specific to this System
The Motronic M 2.8 system is equipped with self-diagnosis. This means:
If the Motronic M 2.8 control unit recognizes a system fault, it is stored after a certain period of time. The engine telltale in the instrument illuminates whenever trouble codes are stored.
Note: The Motronic M 2.8 permits readout of measured values while travelling.
For this, the snapshot mode (key F3) must be activated.
This allows sporadic faults (e.g. loose contacts) to be detected.
Important: Trouble codes can only be deleted using TECH 1.
After completion of diagnosis with TECH 1, the ignition must be switched off at least once.
Replace closure cap on the diagnostic plug and diagnostic plug on the base