Chevrolet Sonic Repair Manual: Brakes

Chassis

General

Other materials:

Engine Coolant Temperature Sensor Replacement (Radiator)
Engine Coolant Temperature Sensor Replacement - Radiator Callout Component Name Preliminary Procedures Drain the cooling system. Refer to  Cooling System Draining and Filling. 1 Retaining C ...

Throttle Actuator Control (TAC) System Description
acceleratorpedalassemblyi/pappsensor1appsensor2ignitionvoltage(ifequipped)cruisecontrolswitch(ifequipped)(ifequipped)throttlebodybcmtpsensor1tpsensorreducedenginepowerlampthrottleactuatormotor The engine control module (ECM) is the control center for the throttle actuator control (TAC) system. ...

Throttle/Idle Learn
Description The engine control module (ECM) learns the airflow through the throttle body to ensure the correct idle. The learned airflow values are stored within the ECM. These values are learned to adjust for production variation and will continuously learn during the life of the ...