The Telematics Control Unit (TCU) and the interface box 'High' (ULF-SBX-H)
control units are connected to
the MOST bus. TCU and interface box 'High' may both be fitted in the vehicle for
certain equipment options. In
this case, the telephone function is always implemented in the TCU.
The head uni
REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT AIR-MASS FLOW
SENSOR (N63)
Necessary preliminary tasks
Read out fault memory of DME control unit
Switch off ignition
Remove ACOUSTIC COVER
Picture shows the left side, the procedure for the right side is identical.
Unlock plug (1) and remove.
Re