Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Control Module, Motronic




To remove
1 Detach the ground cable on the battery.






2 Remove the glove box.
On right-hand drive cars: Dismantle the lower section of the dashboard.







3 Fold back the carpet and remove the central locking system relay.
4 Unplug the connector.
5 Dismantle the control module.

To fit







1 Fit the control module.
2 Plug in the control module connector.
3 Fit the central locking relay and fold back the carpet.
4 Refit the glove box.
On right-hand drive cars:
Fit the lower section of the dashboard.
5 Fit the battery ground cable.
Set the clock and possible radio codes.
Test drive the car to adapt the new control module.