Chevrolet Sonic Repair Manual: Engine Control Module

Turbocharger Wastegate Regulator Solenoid Valve Replacement

Charge Air Bypass Regulator Solenoid Valve Replacement Callout Component Name Preliminary Procedure Disconnect the radiator out ...

Engine Control Module Description

The Engine Control Module (ECM) interacts with many emission related components and systems, and monitors emission related components and systems for deterioration. OBD II diagnostics monitor the ...

Other materials:

Washing the Vehicle
To preserve the vehicle's finish, wash it often and out of direct sunlight. Caution Do not use petroleum-based, acidic, or abrasive cleaning agents as they can damage the vehicle's paint, metal, or plastic parts. If damage occurs, it would not be covered by the vehicle warranty. Approv ...

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 an ignition key is inserted into the ignition lock cylinder and the ignition is switched ON, the ...

Blower Motor Resistor Replacement
Blower Motor Resistor Replacement Callout Component Name Preliminary Procedure Remove the instrument panel insulator, if equipped. 1 Blower Motor Resistor Screw (Qty: 2) Caution: Refer ...