Mitsubishi Outlander (2013+). Manual — part 139

A/C COMPRESSOR RELAY CONTROL

MULTIPOINT FUEL INJECTION (MPI)

13A-40

A/C COMPRESSOR RELAY CONTROL

M2132034500722

After the A/C switch is turned ON and A/C compres-
sor relay reaches a state where it can turn ON,
engine-ECU turns ON the A/C compressor relay and
drives the A/C compressor. In order to prevent
change in engine speed due to increased load of
driving the compressor, it controls the A/C compres-

sor relay to drive the A/C compressor after idle-up is
complete. Also, in order to secure acceleration per-
formance, it turns OFF the A/C compressor relay for
a fixed amount of time, if the throttle opening angle
increases beyond a prescribed limit.

AK800141

OFF

ON

AH

Battery

A/C compressor relay

A/C compressor
assembly

A/C compressor
relay control

A/C compressor
clutch

A/C
refrigerant
temperature
switch

OFF

ON

Engine-ECU

A/C switch (CAN)

Crank angle sensor

Accelerator pedal position sensor

Vehicle speed signal (CAN)

Inhibitor switch (CAN)

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ALTERNATOR CONTROL

MULTIPOINT FUEL INJECTION (MPI)

13A-41

ALTERNATOR CONTROL

M2132025000785

During engine idle operation, engine-ECU controls
duty of conduction between alternator G terminal and
earth. (G terminal duty is controlled to be the same
as ON duty of the power transistor inside the voltage
regulator). If headlamps etc. are turned on while
engine is idling, the consumed current increases
suddenly, but by gradually increasing the alternator
G terminal OFF duty, engine-ECU restricts sudden

increase in alternator output current and output cur-
rent is increased only gradually. (Battery current is
supplied to the headlamp etc. till alternator produces
sufficient current.) Thus, engine-ECU prevents
change in idle speed due to sudden increase of
engine load.

PURGE CONTROL

M2132027500106

Refer to GROUP 17

− Emission Control − Evapora-

tive Emission Control System

P.17-16

.

CONTROLLER AREA NETWORK (CAN)

M2132019000957

CAN communication is established to ensure the reli-
able transmission of information. Refer to GROUP
54C

− General Information

P.54C-2

.

DIAGNOSIS SYSTEM

M2132009002093

Engine-ECU has been provided with the following
functions for easier system inspection. Refer to the
workshop manual for the details about each item.

• Freeze-frame data function

• Diagnosis code function

• Data list function

• Actuator test function

AK602242AL

Alternator G terminal

Alternator FR terminal

Alternator

Engine coolant
temperature sensor

Crank angle sensor

A/C switch (CAN)

Ignition switch-ST

E

ngine-ECU

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NOTES

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13B-1

GROUP 13B

FUEL SUPPLY

CONTENTS

GENERAL INFORMATION . . . . . . . .

13B-2

FUEL TANK . . . . . . . . . . . . . . . . . . . .

13B-3

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Текст

Политика конфиденциальности