Chevrolet Sonic Repair Manual: Immobilizer

Ignition Lock Cylinder Replacement

Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the upper trim cover and the lower trim cover f ...

Immobilizer Description and Operation

The immobilizer system functions are provided by the body control module (BCM) and the engine control module (ECM), as well as any modules which store and report the environment identifier. When ...

Other materials:

Front Side Door Window Switch Replacement (Left Side)
Front Side Door Window Switch Replacement Callout Component Name Preliminary Procedure Remove the front side door window switch bezel. Refer to Front Side Door Window Switch Bezel Replacement. 1 ...

Repairing Damaged Wire Insulation
If the wire insulation has been chafed, or broken, enough to show the conductive portion of the wire, and the wire is not damaged, determine the length of insulation that needs to be repaired. If the repair is less than 280?€‰mm (11?€‰in), cut the wire within the damaged area. Then sli ...

Intake Manifold Disassemble (1.8L LUW and LWE)
Remove the intake manifold absolute pressure sensor bolt (1). Remove the manifold absolute pressure sensor (2) from the intake manifold (3). Remove the intake manifold mount (2) from the intake manifold (1). Remove the throttle body seal& ...