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IAVC

Idle air valve control.

IBOB

An acronym for 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.

IBP

Integral back-pressure.

IC

1. An 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.

ICE

An acronym for internal-combustion engine.

Ice

Abbreviation for in-car electronics. ICE can include a vehicle's sound system, entertainment system and navigation system, and usually refers to a combination of all three.

Ice-melting Capacity

A refrigeration effect equal to the latent heat of fusion of a stated weight of ice, at 144 Btu per pound.

ICM

Ignition control module.

Icon

A small picture that represents an object or program and acts like a button to operate whatever program it represents.

ICP

1. An Acronym for Intergrated Control Panel and Module ( Ford).

ICVS

Idle control vacuum solenoid.

Ideal Air/fuel Ration

A term used for Stoichiometric air/fuel ratio.

Ideal Fuel Mixture

The air/fuel ratio which provides the best performance, while maintaining maximum conversion of exhaust emissions, typically 14.7.

Ideal Humidity

Most people are comfortable at a relative humidity of 45% to 50%.

Ideal Temperature

Most people are comfortable at a temperature from 68? to 72? F (20? to 22.2?C).

IDI

[1] An acronym for indirect injection. [2] Intergrated Direct Ignition.

Idiot Box

An automatic transmission.

Idiot Light

The system-malfunction warning lights on a dashboard.

Idiot Proof

A product that is designed to be as simple as possible to operate.

Idle

The engine speed with no load and the accelerator pedal fully released.