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:

Battery Current Sensor Replacement
Removal Procedure Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection. Disconnect the battery current sensor from the body harness connector. Unclip the battery current sensor from the battery tray. Remove the battery ...

Crankshaft and Bearing Cleaning and Inspection
Special Tools EN-45059 Torque Angle Sensor Kit GE-571-B Dial Gauge For equivalent regional tools, refer to Special Tools. Crankshaft End Play, Check Note: Crankshaft attached with crankshaft bearing caps. Install the GE-571-B gauge  (1). ...

Manual Transmission Shift Lever and Selector Lever Cable Replacement
Removal Procedure Remove the battery tray. Refer to Battery Tray Replacement. \i Disconnect the shift lever and selector cable ends (1) from the transmission shift lever and selector levers. Pull the cable retainers (2) to release the shift leve ...