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:

Traction Control System (TCS)/StabiliTrak® Light
The StabiliTrak or Traction Control System (TCS) indicator/warning light comes on briefly when the engine is started. If the light 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 is on and not flashing ...

Engine Coolant Temperature Warning Light
This light comes on briefly while starting the vehicle. If it does not, have the vehicle serviced by the dealer. If the system is working normally the indicator light goes off. Caution The engine coolant temperature warning light indicates that the vehicle has overheated. Driving with this ...

Camshaft Timing Chain Inspection
Special Tools EN-952 Fixing Pin EN-953-A Fixing Tool EN-49977-100 Transmitter Disc Fixation For equivalent regional tools, refer to Special Tools. Remove the ignition coil. Refer to Ignition Coil Replacement. Remove the camshaft cover. Refer to Camshaft Cover Replacement. ...