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 Compartment Lid Weatherstrip Replacement
Rear Compartment Lid Weatherstrip Replacement Callout Component Name 1 Rear Compartment Lid Weatherstrip Procedure Disconnect any electrical connector. Clean the area where the seal will be mounted. Use a suit ...

Transmission Fluid Cooler Flushing and Flow Test
GM studies indicate that plugged or restricted transmission oil coolers and pipes cause insufficient transmission lubrication and elevated operating temperatures which can lead to premature transmission failure. Many repeat repair cases could have been prevented by following published procedur ...

Transmission Case Disassemble (Gen 2)
Special Tools 3-9506289 Universal Adapter J-810700 Mainshaft Bearing Remover J-810704 Center Bar Puller M-680770 Universal Sliding Mallet R-0007758 Holding Fixture R-0007770 Holding Fixture Adapter Plates T-0307000 Extractor and Driver Fixture T-9807671 Slide Hammer For eq ...