12 14 550 Replacing control unit (DME)
IMPORTANT:
Read and comply with notes on protection against electrostatic damage (ESD protection).
Necessary preliminary tasks:
- Follow instructions for Removing And Installing Electronic Control Units .
- Read fault memory.
- Switch off ignition
- Remove lower section of microfilter housing on right. See CABIN AIR FILTER .
Unlock cover (1) with slide (3).
Release screws (2).
Remove electronics box cover (1).
Installation:
Engage electronics box cover (1) correctly in hinges.
Unlock and detach all plug connections on DME control unit (1).
Unlock DME control unit (1) and remove.
Carry out coding/programming.
NOTE:
Read out fault memory of DME control unit.
Check stored fault messages.
Now clear the fault memory.