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:

Cylinder Head Removal
Loosen the 12 cylinder head bolts in the sequence as shown. Use the following procedure: Loosen the cylinder head bolts 90 degrees. Loosen the cylinder head bolts 180 degrees. Note: Do not damage the guide sleeves (4) and (5). R ...

Intake Manifold Assemble (1.6L LDE)
Install the 4 multiport fuel injector seals (6). Install the multiport fuel injection fuel rail (4) and the fuel injectors (5) to the intake manifold (7). Caution: Refer to Fastener Caution. Install the 2 multiport fuel injection fue ...

Inspection/Maintenance (I/M) System DTC Table (LUW)
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 System Check, review ea ...