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:

Trunk (Sedan)
Warning Exhaust gases can enter the vehicle if it is driven with the liftgate, hatch/trunk open, or with any objects that pass through the seal between the body and the hatch/trunk or liftgate. Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled. It can cause unconsci ...

Reverse (Gen 2)
When the gear selector lever is moved to the Reverse (R) position (from the Park position) the normally-low 35R pressure control solenoid is commanded ON and the following changes occur in the transmission? hydraulic and electrical systems: 3-5-Reverse Clutch Applies Manual Valve ...

Control Valve Body Assembly Assemble (Gen 1)
Control Valve Body Assembly Assemble Callout Component Name 1 Valve Body Ball Check Valve (Qty: 6) 2 Control Valve Channel Plate Spacer Plate Assembly 3 ...