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:

Sunroof Window Replacement
Sunroof Window Replacement Callout Component Name 1 Sunroof Window Bolt?€‰(Qty:?€‰4) Caution: Refer to Fastener Caution. Tighten 5?€‰Y (44?€‰lb?€‰in) 2 ...

Timing Belt Center Front Cover Replacement
Timing Belt Center Front Cover Replacement Callout Component Name Preliminary Procedure Remove the timing belt upper front cover. Refer to Timing Belt Upper Front Cover Replacement. Remove the engine mount bracket. Refer ...

Drive Range, Sixth Gear (Gen 1)
As vehicle speed increases, the transmission control module (TCM) processes input signals from the automatic transmission input and output speed sensors, the throttle position sensor and other vehicle sensors to determine the precise moment to command ON the normally-low 26 pressure control so ...