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 Check Link Replacement
iii! Front Side Door Check Link Replacement Callout Component Name Preliminary Procedure Remove the front side door trim panel. Refer to Front Side Door Trim Replacement. 1 Front Side Door Check ...

Service Prior to Assembly
The importance of cleanliness during assembly cannot be overstated. Dirt or debris will cause engine damage. An automobile engine is a combination of many machined, honed, polished and lapped surfaces with minor tolerances. When any internal engine parts are serviced, care and cleanliness are ...

Manual Transmission Shift Lever Cable Adjustment
Special Tools DT-527-A Adjuster or 5mm drill bit For equivalent regional tools, refer to Special Tools. Note: Not using the specified tools may lead to shift system mis-adjustment. Remove the floor console. Refer to Front Floor Console Replacement. Lift upward an ...