Glossary “IDI” Definition:
Indirect Injection, or Indirect Diesel Injection, or Intergrated Direct Ignition
i
IDL
Glossary “IDL” Definition:
Idle, or Idle Switch
i.d.
Glossary “i.d.” Definition:
Internal Diameter, or Inside Diameter.
ideal air/fuel ration
Glossary “ideal air/fuel ration” Definition:
A term used for Stoichiometric air/fuel ratio.
ideal fuel mixture
Glossary “ideal fuel mixture” Definition:
The air/fuel ratio which provides the best performance, while maintaining maximum conversion of exhaust emissions, typically 14.7:1
ideal humidity
Glossary “ideal humidity” Definition:
Most people are comfortable at a relative humidity of 45% to 50%.
ideal temperature
Glossary “ideal temperature” Definition:
Most people are comfortable at a temperature from 68¡ã to 72¡ã F.
ICM
Glossary “ICM” Definition:
Ignition Control Module
icon
Glossary “icon” Definition:
A small picture that represents an object or program and acts like a button to operate whatever program it represents.
ICP
Glossary “ICP” Definition:
Intergrated Control Panel and Module, or Injection Control Pressure Sensor
ICVS
Glossary “ICVS” Definition:
Idle Control Vacuum Solenoid
ICE
Glossary “ICE” Definition:
Internal Combustion Engine.
IBP
Glossary “IBP” Definition:
Integral Back-Pressure
IC
Glossary “IC” Definition:
1). Acronym used for internal-combustion engine. 2). A complete electronic circuit of many transistors and other devices, all formed on a single silicon semiconductor chip.
I-CAR
Glossary “I-CAR” Definition:
Inter-Industry Conference on Auto Collision Repair
I-beam rod
Glossary “I-beam rod” Definition:
Connecting rod having an I-shaped cross section.
IBOB
Glossary “IBOB” Definition:
Intelligent Break Out Box. A box placed in series between the powertrain control module and the wiring harness to provide a place to probe the circuit and identify problems. The Intelligent brake-out-box also interfaces with the scantool for circuit information and analysis.
IAT2V
Glossary “IAT2V” Definition:
Intake Air Temperature 2 Voltage. Actual VD across IAT2.
iATN
Glossary “iATN” Definition:
The largest network of automotive technicians in the world This group of over 45,000 professional automotive technicians from 129 countries gather to exchange technical knowledge and information from around the globe. with an experience base of more than 924,690 years of experience (see www.iatn.net for additional information)
IATV
Glossary “IATV” Definition:
Intake Air Temperature Voltage. Actual VD across IAT.