Using a Phillips screwdriver, unscrew the screw securing the contact group.
We take out the contact group from the ignition switch.
By pressing the block lock, we disconnect the block of wires from the contact group..
... and remove the contact group of the ignition switch.
Install the contact group in reverse order.
To replace the immobilizer control unit..
... by pressing the lock of the block, we disconnect the block of wires from the immobilizer control unit.
Using a Phillips screwdriver, unscrew the screw securing the immobilizer control unit.
Remove the immobilizer control unit.
Install the immobilizer control unit in reverse order.
To replace the ignition switch, insert the key into it and turn it to the ACC position. We remove the contact group. Disconnect the immobilizer control unit wiring harness. Removing the toggle switches (see Removing the Paddles, Coiled Cable Drum and Switch Connector).
Since the heads of the two fixing bolts are torn off, we loosen their tightening with a chisel..
... and unscrew the bolts with pliers.
Remove the bracket and ignition switch from the steering column.
Disconnect the sensor block of the inserted key from the wiring harness block.
Remove the immobilizer control unit.
Loosen the two screws with a Phillips screwdriver.
Remove the key sensor.
Install the ignition switch in reverse order.