Vauxhall Workshop Service and Repair Manuals

Immobiliser with Transponder - as of MY '96  

Immobiliser Control Unit, Remove and Install  

  Important!   

If the control unit is replaced, it must be reprogrammed - see corresponding Checking Procedures.  

Notice: 

There are two different installation sequences due to the different versions of the ignition lock housing.  

If being replaced, immobiliser control units without tabs can be replaced by control units with tabs. New ignition lock trims are necessary for control units with tabs. These may also be used for control units without tabs.  

Option 1: Ignition lock housing without tabs  

  Remove, Disconnect   

Remove signal switch panelling - 5 fastening bolts (1 and 2).

Remove ignition key and ignition lock panel. Detach wiring harness plug from immobiliser control unit. Remove immobiliser control unit forwards.  

 

1  Immobiliser control unit   2  Ignition lock panel   3  Transponder key   4  Transponder   5  Lock cylinder   6  Ignition lock housing

  Install, Connect   

Install immobiliser control unit and connect wiring harness plug. Install ignition lock panel.  

 

1  Immobiliser control unit   2  Ignition lock panel   3  Transponder key   4  Transponder   5  Lock cylinder   6  Ignition lock housing

 

Install signal switch panelling - 5 fastening bolts (1 and 2).

Option 2: Ignition lock housing with tabs (arrow)  

  Remove, Disconnect   

Remove signal switch panelling.  

Detach ignition key (3) and ignition lock trim (2).   Remove lock cylinder (4).   Detach immobiliser control unit (1) from ignition lock housing (5).   Release wiring harness plug and disconnect.     Install, Connect    Connect wiring harness plug.   Slide immobiliser control unit onto ignition lock housing.   Install lock cylinder.   Insert ignition lock trim and signal switch panelling.