Immobilizer Schematics

WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Theft Deterrent Control Module, Alarm & Hood Ajar Switch Schematic - UA2/BAE

Courtesy of GENERAL MOTORS CORP.

Fig 2: Intrusion & Indication Sensor Signals Schematic - UA2/BAE

Courtesy of GENERAL MOTORS CORP.

Fig 3: Passlock Sensor Schematic - w/o BAE

Courtesy of GENERAL MOTORS CORP.