PCM FUNCTION [L3 Turbo]

Function	Description
Main relay control	When the ignition switch is turned to the ON position, the main relay turns on.
Drive-by-wire control	The drive-by-wire control calculates the optimum target throttle valve opening angle at all ranges of engine speeds and controls the throttle actuator.
Drive-by-wire relay control	Supplies power to the drive-by-wire control.
Variable valve timing control	Variable valve timing control changes the intake valve timing according to engine operation conditions to improve engine output, fuel economy, and exhaust emission performance.
Fuel injection control	Performs optimum fuel injection according to engine operation conditions.
Fuel pump control	Performs energization of the fuel pump relay only when the engine is running (operates fuel pump) to improve stability and durability.
Fuel pump speed control	Controls fuel pump speed control relay according to the fuel amount required by the engine.
ESA control	Controls ignition to optimum timing according to engine operation conditions.
High pressure fuel pump control	The spill valve control solenoid valve is controlled to adjust the fuel pressure generated from the high pressure fuel pump.
Variable swirl control	At cold engine start, the following effects occur due to the closing of the variable swirl control for improved cold engine emission performance. • Improved intake airflow speed near intake air value • Strong air swirl occurs in the combustion changer, promoting vaporization mixture of intake air and fuel
Wastegate control	The wastegate control solenoid valve is controlled to properly adjust the charging efficiency according to the driving conditions.
EGR control	Adjusts the EGR to the optimum opening angle according to engine operation conditions.
Evaporative purge control	An appropriate amount of evaporative gas is fed into the dynamic chamber by the driving of the purge solenoid valve according to the engine operation conditions to ensure driveability and prevent release of fuel vapor gas into the atmosphere.
A/F sensor heater, HO2S heater control	Based on the control of the A/F sensor heater and HO2S heater, a stabilized oxygen concentration is detected even at low exhaust gas temperature and feedback control of fuel injection even during cold engine start is made possible for improved cold temperature emission performance.
A/C cut-off control	The current application (energize/non-energize) to the A/C relay (magnetic clutch) is controlled according to the engine operation conditions to prevent deterioration of engine performance, damage to the engine, and deterioration of the A/C function.
Electrical fan control	Through cooling of the radiator and condenser by operation of the cooling fan according to vehicle conditions, engine reliability and cooling performance have been improved.
Starter cut-off control	Theft deterrence has been improved by controlling energization to the starter relay according to an engine stop request signal from the immobilizer system.
Generator control	Generator output is optimized according to the engine operation and electrical load conditions, ensuring idling stability and anti-load performance.
CAN	Used for communication with the AWD control unit, DSC HU/CM, instrument cluster and DLC‐2.

Function

Description

Main relay control

When the ignition switch is turned to the ON position, the main relay turns on.

Drive-by-wire control

The drive-by-wire control calculates the optimum target throttle valve opening angle at all ranges of engine speeds and controls the throttle actuator.

Drive-by-wire relay control

Supplies power to the drive-by-wire control.

Variable valve timing control

Variable valve timing control changes the intake valve timing according to engine operation conditions to improve engine output, fuel economy, and exhaust emission performance.

Fuel injection control

Performs optimum fuel injection according to engine operation conditions.

Fuel pump control

Performs energization of the fuel pump relay only when the engine is running (operates fuel pump) to improve stability and durability.

Fuel pump speed control

Controls fuel pump speed control relay according to the fuel amount required by the engine.

ESA control

Controls ignition to optimum timing according to engine operation conditions.

High pressure fuel pump control

The spill valve control solenoid valve is controlled to adjust the fuel pressure generated from the high pressure fuel pump.

Variable swirl control

At cold engine start, the following effects occur due to the closing of the variable swirl control for improved cold engine emission performance.

• Improved intake airflow speed near intake air value

• Strong air swirl occurs in the combustion changer, promoting vaporization mixture of intake air and fuel

Wastegate control

The wastegate control solenoid valve is controlled to properly adjust the charging efficiency according to the driving conditions.

EGR control

Adjusts the EGR to the optimum opening angle according to engine operation conditions.

Evaporative purge control

An appropriate amount of evaporative gas is fed into the dynamic chamber by the driving of the purge solenoid valve according to the engine operation conditions to ensure driveability and prevent release of fuel vapor gas into the atmosphere.

A/F sensor heater, HO2S heater control

Based on the control of the A/F sensor heater and HO2S heater, a stabilized oxygen concentration is detected even at low exhaust gas temperature and feedback control of fuel injection even during cold engine start is made possible for improved cold temperature emission performance.

A/C cut-off control

The current application (energize/non-energize) to the A/C relay (magnetic clutch) is controlled according to the engine operation conditions to prevent deterioration of engine performance, damage to the engine, and deterioration of the A/C function.

Electrical fan control

Through cooling of the radiator and condenser by operation of the cooling fan according to vehicle conditions, engine reliability and cooling performance have been improved.

Starter cut-off control

Theft deterrence has been improved by controlling energization to the starter relay according to an engine stop request signal from the immobilizer system.

Generator control

Generator output is optimized according to the engine operation and electrical load conditions, ensuring idling stability and anti-load performance.

CAN

Used for communication with the AWD control unit, DSC HU/CM, instrument cluster and DLC‐2.