12 14 550 Replacing control unit (DME)
Necessary preliminary tasks:
- Switch off ignition.
- Disconnect battery . See BATTERY .
IMPORTANT:
Follow instructions for removing and installing electronic control units.
See MODULES
.
IMPORTANT:
Read and comply with notes on protection against electrostatic damage (ESD protection).
See 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE)
.
NOTE:
- Connect diagnosis system
- Read fault memory.
- Check stored fault messages
- Rectify faults
- Clear fault memory
Version 1:
Unlock and remove cover (1).
Version 2:
Release screw (1) at side.
Unlock clamps and remove cover.
All Versions
Unlock plug (1) and remove.
Press locks in direction of arrow and remove control unit (2) towards top.
Locks are accessible through bores (1).
NOTE:
- Check stored fault messages
- Clear fault memory