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:

Windshield Replacement
Special Tools BO-24402-A Glass Sealant Remover (Cold Knife) BO-39032 Stationary Glass Removal Tool Use an adhesive that is approved by GM For equivalent regional tools, refer to Special Tools. Removal Procedure Open the hood. Remove the windshield wiper arms. Refer to Wi ...

Throttle Actuator Control (TAC) System Description
acceleratorpedalassemblyi/pappsensor1appsensor2ignitionvoltage(ifequipped)cruisecontrolswitch(ifequipped)(ifequipped)throttlebodybcmtpsensor1tpsensorreducedenginepowerlampthrottleactuatormotor The engine control module (ECM) is the control center for the throttle actuator control (TAC) system. ...

Main Shaft Assemble (Gen 1)
Special Tools 3-0207944 Main Shaft Tapered Bearing Insert Tool For equivalent regional tools, refer to Special Tools. Install the 4th gear bearing assembly (1). Note: The 3rd gear blocking ring lugs must be aligned with the 3rd/4th gear synchronizer assembly groov ...