Chevrolet Sonic Repair Manual: Engine Control

Internal Combustion Powertrain Control

General

Other materials:

Sunroof Motor/Actuator Initialization/Teach Process
Note: If the sunroof motor is new, cycle the sunroof seven?€‰(7) times to teach the motor/actuator initialization process. Perform the initialization/teach procedure on a reinstall motor or a new motor. Ensure the electrical harness on the headliner is connected to the sunroof mot ...

Tire and Wheel Assembly-to-Hub/Axle Flange Match-Mounting
Note: After remounting a tire and wheel assembly to a hub/axle flange, remeasure the tire and wheel assembly on-vehicle runout in order to verify that the amount of runout has been reduced and brought to within tolerances. Mark the location of the high spot on the tire and wheel asse ...

Secondary Air Injection System Description
The Secondary Air Injection System aids in the reduction of hydrocarbon exhaust emissions during a cold start. This occurs when the start-up engine coolant temperature (ECT) is between −10 to +56?C (14?33?F), the intake air temperature (IAT) is greater than −10?C (14?F) and it has ...