GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2007
🢒
Spark
🢒
Safety and Security
🢒
Immobilizer
🢒 Detection Coil Replacement
Removal Procedure
Disconnect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
.
Remove the steering column covers. Refer to
Steering Column Trim Covers Replacement
.
Slide the immobilizer control unit toward the steering wheel until it slides off its mounting bracket.
Disconnect the electrical connectors from the immobilizer control unit.
Installation Procedure
Connect the electrical connectors to the immobilizer control unit.
Slide the immobilizer control unit onto its mounting bracket.
Install the steering column covers. Refer to
Steering Column Trim Covers Replacement
.
Connect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
.
Reauthorize the keys. Refer to
Programming Additional Keys
.
Reset the electronic control module (ECM) identification code. Refer to
Programming Theft Deterrent System Components
.