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
Notes
WARNING: Burning hazard! Wear gloves.
Necessary preliminary work
Remove lower TIMING CASE COVER
To facilitate removal and installation of timing chains, turn engine
over with special tool 00 2 300.
Timing drive, cylinders 1 to 4
Remove guide rail (5) from bearing bolt.
Remove timing cha