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:

Starter Replacement (LUV)
Removal Procedure Disconnect the battery negative cable. Refer to  Battery Negative Cable Disconnection and Connection. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. If equipped with a front suspension skid plate, remove the drivetrain ...

Relay Replacement (Attached to Wire Harness)
Removal Procedure Locate the relay. Refer to the Master Electrical Component List to locate the relay in the vehicle. Remove any fasteners which hold the relay in place. Remove any connector position assurance (CPA) devices or secondary locks. Note: Use care w ...

HVAC Component Replacement Reference
HVAC Component Replacement Reference Scan Tool Name Component Code / Schematic Name Service Name Repair Instruction Name A/C Compressor Clutch Q2 A/C Compressor Clutch Air Conditi ...