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:

Wheel Alignment - Steering Wheel Angle and/or Front Toe Adjustment
Ensure that the steering wheel is set in a straight ahead position. Loosen the tie rod jam nut (1). Adjust the toe to specification by turning the inner tie rod (2). Refer to Wheel Alignment Specifications. Caution: Refer to Fastener Caution. Tighten the t ...

Catalytic Converter Heat Shield Replacement (LUV)
Catalytic Converter Heat Shield Replacement Callout Component Name Warning: Refer to Exhaust Service Warning. 1 Catalytic Converter Heat Shield Fasteners (Qty: 4) Caution: Refer ...

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 ...