12 90... Removing and installing/replacing electronics box
IMPORTANT:
Read and comply with notes on protection against electrostatic damage (ESD protection)
. See 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE)
.
NOTE:
Follow instructions for instructions for removing and installing electronic control units
Necessary preliminary tasks:
- Read fault memory.
- Disconnect negative battery cable .
- Remove electronics box fan (N52 only).
- Remove distribution box (passenger compartment) . See 61 13 040 REPLACING DISTRIBUTION BOX (PASSENGER COMPARTMENT) .
- Release control unit holder; if necessary, release CD changer.
Release screws (arrows) behind sound insulation.
Disconnect wiring harness on engine compartment side on right.
Remove electronics box.
Installation:
Make sure gasket (1) is correctly seated on electronics box.
Read fault memory.