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:

Fuel Pressure Measurement
Special Tools EN 34730?E1 Pressure Tester For equivalent regional tools, refer to Special Tools Warning: Gasoline or gasoline vapors are highly flammable. A fire could occur if an ignition source is present. Never drain or store gasoline or diesel fuel in an open con ...

Inspection/Maintenance (I/M) System DTC Table
Inspection/Maintenance (I/M) System DTC Table System DTCs Required to Set System Status to YES If an inspection/maintenance system status indicator did not update to yes during the Inspection/Maintenance Complete System Set Pro ...

Main Shaft Assemble (Gen 2)
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). in!i.l.i-if Note: The 3rd gear blocking ring lugs must be aligned with the 3rd/4th gear synchronizer ass ...