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:

Body Waterleak Repair
Warning: If the vehicle interior is exposed to moisture and becomes soaked up to the level of the sensing and diagnostic module (SDM), the SDM and SDM harness connector must be replaced. The SDM could be activated when powered, which could cause airbag deployment and result in person ...

Front Seat Belt Anchor Plate Tensioner Cover Replacement (4 Way)
Front Seat Belt Anchor Plate Tensioner Cover Replacement Callout Component Name 1 Driver or Passenger Seat Belt Tensioner Cover Procedure Remove the tensioner cover by pushing downward on the rear and center o ...

Air Conditioning (AC) Refrigerant Filter Replacement
Special Tools GE 39400-A Halogen Leak Detector For equivalent regional tools, refer to Special Tools. Removal Procedure Recover the refrigerant. Refer to Refrigerant Recovery and Recharging. Remove the air conditioning condenser. Refer to Air Conditioning Condenser Repl ...