Operation CHARM: Car repair manuals for everyone.

Powertrain Management: Description and Operation


Purpose

The electronic control system constantly monitors and adjusts the operation of the FUEL, IGNITION and EMISSION SYSTEMS, to achieve the best compromise between performance, fuel consumption, and emissions reduction.

INFORMATION STRUCTURE


Computers and Engine Controls

The Control Module, On-Board Diagnostics (OBD), input sensors, output devices.

Emission Control Devices

Evaporative and exhaust emission control systems and components.

Does not include information regarding electronic engine controls.

Fuel Delivery and Air Induction

Air/fuel intake system and components.

Does not include information regarding electronic engine controls.

Ignition Systems

Primary and secondary ignition systems and components.

Does not include information regarding electronic engine controls.

Transmission Control Systems

Electronically Controlled Transmissions.

Does not include information regarding electronic engine controls.