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:

Headlining Trim Panel Replacement (Hatchback with Sunroof)
Headlining Trim Panel Replacement Callout Component Name Warning: Do not attempt to repair or alter the head impact energy-absorbing material glued to the headliner or to the garnish trims. If the material is damaged ...

Air Conditioning Evaporator Core Replacement
Air Conditioning Evaporator Core Replacement Callout Component Name Preliminary Procedure Remove the instrument panel tie bar. Refer to Instrument Panel Tie Bar Replacement. Remove HVAC module. Refer to Heater and Air Con ...

Hydraulic Valve Lash Adjuster Arm Replacement
Hydraulic Valve Lash Adjuster Arm Replacement Callout Component Name Preliminary Procedures Remove the intake camshaft. Refer to Intake Camshaft Replacement. Remove the exhaust camshaft. Refer to Exhaust Camshaft Replaceme ...