Chevrolet Sonic Repair Manual: Engine Control

Internal Combustion Powertrain Control

General

Other materials:

Lockout Protection
If the driver side power door lock switch is pressed when the driver door is open and the key is in the ignition, all of the doors will lock and then the driver door will unlock. If Unlocked Door Anti Lockout is turned on and: the vehicle is off, the driver door is open, and door locking is r ...

Immobilizer Light
The immobilizer light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. If the system is working normally, the indicator light turns off. If the light stays on and the engine does not start, there could be a problem with the i ...

Warm Up Three-Way Catalytic Converter Installation
Install the warm up three way catalytic converter (5) to the brackets and the turbocharger. Use a NEW warm up three way catalytic converter seal (2). Note: Never re-use the V-clamp. Install a NEW warm up three way catalytic converter V-clamp (1). In ...