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 Window Switch Replacement (Left Side)
Front Side Door Window Switch Replacement Callout Component Name Preliminary Procedure Remove the front side door window switch bezel. Refer to Front Side Door Window Switch Bezel Replacement. 1 ...

Instrument Panel Lower Trim Pad Cover Replacement (With AAL)
Instrument Panel Lower Trim Pad Cover Replacement Callout Component Name Preliminary Procedure Disable the SIR system. Refer to SIR Disabling and Enabling. 1 Instrument Panel Lower Trim Pad Fastener ...

Tire and Wheel Assembly-to-Hub/Axle Flange Match-Mounting
Note: After remounting a tire and wheel assembly to a hub/axle flange, remeasure the tire and wheel assembly on-vehicle runout in order to verify that the amount of runout has been reduced and brought to within tolerances. Mark the location of the high spot on the tire and wheel asse ...