A4 Cabriolet L4-1.8L Turbo (AMB) (2005)
Ignition Switch Lock Cylinder: Service and Repair
Lock Cylinder and Ignition/Starter Switch, Servicing
Lock Cylinder And Ignition/starter Switch, Servicing
CAUTION:
Before beginning repairs on the electrical system:
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Obtain the anti-theft radio security code.
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Switch the ignition off.
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Disconnect the battery Ground (GND) strap.
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After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows according to
Owner's Manual.
NOTE:
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Steps after reconnecting voltage supply.
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Induction coil for anti-theft immobilizer is connected to lock cylinder and cannot be replaced individually.
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If the induction coil is faulty, the lock cylinder must be replaced.
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Observe induction coil specifications when replacing lock cylinders.