12 90 ... Removing and Installing/Replacing Electronics Box Add-On

12 90 ... Removing And Installing/replacing Electronics Box Add-on







IMPORTANT: Comply with notes on protection against electrostatic damage (ESD protection).

NOTE: Follow instructions for removing and installing control units.







Necessary preliminary work:
- Read fault memory.
- Disconnect battery earth lead.







Remove right cowl panel cover.
Picture shows the left side, the procedure for the right side is identical.
Lever expander rivets (1) out of cover (2).

Installation note:
If necessary, replace damaged expanding rivets.
Make sure holders (3) are correctly seated.







Release screws (1).
Tightening torque 12 90 4AZ.
Release retainer (2).
Remove cover (3) from supplementary electronics box.







Unclip grommet hold-down device (1).
Detach rubber grommets (2) from electronics box add-on.

Installation note:
Make sure grommets are correctly seated (watertightness).

Release carrier plate (3) from lower section of supplementary electronics box (5) and set aside.
Release screw (4).
Tightening torque 12 90 2AZ.
Remove the lower section of the supplementary electronics box (5).