3314944 - 5580E12 immobiliser device ecu - r+r following electric circuit check

Removing ( Refitting ) Make sure that the ignition is off (STOP position), then disconnect the negative battery terminal (refer to op.   5530B10  battery - r+r ).

NameConnector
-Battery  A1B 
1. Unscrew bolt (1a) and open fuse access cover (1b).2. Undo the nuts (2a) and remove the electronic key anti-theft control unit (2b) after having disconnected the electrical connections (2c) and (2d).

NameConnector
2cCODE control unitM20B

NameConnector
2dCODE control unitM20A
Refitting ( Removing ) Connect the electrical connections to the electronic key anti-theft control unit, then place it back in its housing and fix it using the nuts.Close the fuse access cover and secure using the appropriate bolt.Connect the negative (-) battery terminal.