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:

Rear Side Door Window Regulator Replacement (Sedan)
Rear Side Door Window Regulator Replacement Callout Component Name Warning: Refer to Glass and Sheet Metal Handling Warning. Preliminary Procedure Remove the front side door window from the guide. Do Not remove ...

Steering Linkage Outer Tie Rod Inspection
Special Tools GE-8001 Dial Indicator Set For equivalent regional tools, refer to Special Tools. Note: This inspection procedure does not supersede local government required inspections that have more stringent requirements. Inspect the outer tie rod seal. If the outer tie rod ...

Engine Coolant Fan Resistor Mount Repair
Engine Coolant Fan Resistor Mount Repair Callout Component Name Preliminary Procedure Remove the fasteners securing the radiator surge tank to the engine shroud and position the surge tank out of the way. Refer to Radiator ...