Database Information Structure
INFORMATION STRUCTUREInformation in this section is divided into the following four major sub-headings:
Computers and Control Systems
Addresses the on-board computer system and components as related to engine management. Consult this section for information regarding on-board diagnostics, sensor inputs, computer outputs, etc.
Emission Control Systems
Addresses emission related systems and components only. Includes (but is not limited to) exhaust gas recirculation (EGR) systems, evaporative emission (EVAP) systems, positive crankcase ventilation (PCV) systems, exhaust emission controls, etc.
Fuel Delivery and Air Induction
Focuses on systems and components related to fuel and intake air delivery. Does NOT include information regarding electronic engine controls.
Ignition System
Focuses on primary and secondary ignition systems and components. Does NOT include information regarding electronic engine controls.
CONVENTIONS
CAUTIONS: are presented in bold type, and indicate there is a possibility of injury to you or other people.
NOTICES or NOTES: are presented in this style, with the "NOTICE" bolded and the text of the message not bolded. Notices indicate the possibility of damage to the components being repaired.
HINTS: are separated from the text but do not appear in bold. They provide additional information to help you perform the repair efficiently.