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:

Water Pump Installation
Clean the sealing surfaces and the 3 coolant pump threads. Install NEW gasket. Caution: Refer to Fastener Caution. Caution: Refer to Torque-to-Yield Fastener Caution. Install the coolant pump (1). Install 5 NEW bolts (2) and tighten to 8& ...

Exhaust Manifold Heat Shield Installation
Install the exhaust manifold heat shield (2). Caution: Refer to Fastener Caution. Install the 3 exhaust manifold heat shield bolts (1) and the washers and tighten to  8 Y (71 lb in). ...

Drive Range, First Gear (Gen 2)
As the vehicle speed increases, the transmission control module (TCM) receives input signals from the automatic transmission input and output speed sensors, throttle position sensor and other vehicle sensors to determine the precise moment to de-energize or ?urn OFF?the shift solenoid, and to ...