Mitsubishi Eclipse. Manual — part 703

AUTO-CRUISE CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-93

<SWITCHES, CONTROL UNIT AND SENSORS>

WARNING

Before removal of the air bag module, refer to GROUP 52B, SRS Service Precautions

P.52B-17

and GROUP 52B, Air Bag Module and Clock Spring

P.52B-146

.

AC001495

1

2

4.9 ± 1.0 N·m
44 ± 8 in-lb

3

4

5

6

7

AC

CONTROL SWITCH REMOVAL
STEPS

•

STEERING WHEEL (REFER TO
GROUP 37A, STEERING
WHEEL AND SHAFT

P.37A-22

.)

1.

AUTO-CRUISE CONTROL
SWITCH
CONTROL UNIT REMOVAL
STEPS

•

CENTER PANEL ASSEMBLY
(REFER TO GROUP 52A,
INSTRUMENT PANEL

P.52A-2

.)

2.

AUTO-CRUISE CONTROL-ECU

SENSOR REMOVAL STEPS

3.

THROTTLE POSITION SENSOR

4.

STOPLIGHT SWITCH (REFER
TO GROUP 35A, BRAKE PEDAL

P.35A-31

.)

5.

CLUTCH PEDAL POSITION
SWITCH (REFER TO GROUP
21A, CLUTCH PEDAL

P.21A-10

.)

6.

TRANSMISSION RANGE
SWITCH <A/T>

7.

VEHICLE SPEED SENSOR

EMISSION CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-94

EMISSION CONTROL

GENERAL DESCRIPTION

M1173000100381

The emission control system consists of the fol-

lowing subsystems:

• Positive crankcase ventilation system

• Evaporative emission system

• Exhaust emission control system

DIAGNOSIS

M1173000700134

SPECIAL TOOLS

M1173000600063

SYMPTOM

PROBABLE CAUSE

REMEDY

Engine will not start or
hard to start

Vacuum hose disconnected or damaged Repair or replace
The EGR valve is not closed.

Repair or replace

Malfunction of the evaporative emission
purge solenoid

Repair or replace

Rough idle or engine
stalls

The EGR valve is not closed.

Repair or replace

Vacuum hose disconnected or damaged. Repair or replace
Malfunction of the positive crankcase
ventilation valve

Replace

Malfunction of the purge control system

Check the system; If there is a
problem, check its component parts.

Engine hesitates or poor
acceleration

Malfunction of the exhaust gas
recirculation system

Check the system; If there is a
problem, check its component parts.

Excessive oil
consumption

Positive crankcase ventilation line
clogged

Check positive crankcase ventilation
system

Poor fuel mileage

Malfunction of the exhaust gas
recirculation system

Check the system; If there is a
problem, check its component parts.

TOOL

TOOL NUMBER AND
NAME

SUPERSESSION

APPLICATION

MD998770
Oxygen sensor wrench

MD998770-01 or General
service tool

Removal/installation of
heated oxygen sensor

MB995061
Purge flow indicator

MLR6890A

Inspection of purge
control system

EMISSION CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-95

VACUUM HOSES

VACUUM HOSE ROUTING

M1173000900354

<2.4L ENGINE>

AK300565

THROTTLE
BODY

EGR VALVE

EGR VACUUM REGULATOR
SOLENOID VALVE

FRONT

EVAPORATIVE
EMISSION PURGE
SOLENOID

B : BLACK
G: GREEN

L : LIGHT BLUE

W: WHITE

Y : YELLOW

*1: RED PAINT MARK
*2: RESTRICTOR

FUEL PRESSURE
REGULATOR

EVAPORATIVE
EMISSION
CANISTER

EVAPORATIVE EMISSION
VENTILATION SOLENOID

VACUUM CONTROL VALVE

Y

B

W

G

B

B

B

B

Y

G

L

AB

*1

*1

*2

EMISSION CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-96

<3.0L ENGINE

− WITHOUT INTAKE

MANIFOLD TUNING SYSTEM>

AK300561

B : BLACK
G: GREEN

L : LIGHT BLUE

W: WHITE

Y : YELLOW

*1: RED PAINT MARK
*2: RESTRICTOR

EVAPORATIVE
EMISSION
CANISTER

EVAPORATIVE EMISSION
VENTILATION SOLENOID

EGR

VALVE

THROTTLE BODY

VACUUM CONTROL VALVE

FUEL PRESSURE
REGULATOR

EVAPORATIVE EMISSION
PURGE SOLENOID

FRONT

EGR VACUUM REGULATOR
SOLENOID VALVE

AB

B

B

B

B

B

B

B

B

G

W G

Y

*1

*1

*2

L

G

B