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:

Pretensioner Handling and Scrapping
Scrapping Procedure During the course of a vehicles useful life, certain situations may arise which will necessitate the disposal of a live (undeployed) pretensioner. The following information covers the proper procedures for the disposing of a live (undeployed) pretensioner. Deplo ...

Engine Oil Cooler Housing Installation
Clean the engine oil cooler housing to thermostat housing sealing surfaces. Install 2 NEW gaskets. h.\.\,.\\..,v:..// Install the engine oil cooler inlet pipe (3). Install the engine oil cooler housing (1) and the 5 engine oil cooler bolts (2) and t ...

Camshaft Timing Chain Replacement
Special Tools EN-955 Locking Pin For equivalent regional tools. Refer to Special Tools. Removal Procedure Remove the engine front cover. Refer to Engine Front Cover with Oil Pump Replacement. Note: If EN-955 fixing pin can not be inserted, compress the ti ...