12 90... Removing and installing/replacing electronics box
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION)
.
NOTE:
Follow instructions for removing and installing electronic control units
Necessary preliminary tasks
- Read fault memory.
- Disconnect BATTERY NEGATIVE LEAD .
- Remove ELECTRONICS BOX FAN .
- Remove DISTRIBUTION BOX (PASSENGER COMPARTMENT) .
- Release control unit holder.
Pull rubber grommets out of electronics box. Disconnect all plug connections.
Release screws (arrows).
Disconnect wiring harness on engine compartment side on right.
Remove electronics box.
Installation:
Make sure gasket (1) is correctly seated on electronics box.
Add final details to vehicle.
Read fault memory.
Replacement (E70 - Security):
Pay attention to engine compartment protective features.