Mitsubishi Galant. Manual — part 376

AUTO-CRUISE CONTROL

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ENGINE AND EMISSION CONTROL

17-74

AUTO-CRUISE CONTROL

REMOVAL AND INSTALLATION

M1172001400058

<ACTUATOR>

AC001494

<2.4L ENGINE>

2

1

1

4

5

6

7

3

<3.0L ENGINE>

AB

REMOVAL STEPS

1.

VACUUM HOSE

2.

VACUUM PIPE

3.

WIRING CONNECTOR

4.

VACUUM PUMP ASSEMBLY

5.

SPACER

6.

RUBBER MOUNT

7.

PUMP BRACKET

REMOVAL STEPS (Continued)

AUTO-CRUISE CONTROL

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ENGINE AND EMISSION CONTROL

17-75

<SWITCHES, CONTROL UNIT AND SENSORS>

WARNING

Before removal of the air bag module, refer to GROUP 52B, SRS Service Precautions and
GROUP 52B, Air Bag Module and Clock Spring.

AC004606

8

9

4.9 N·m
43 in-lb

10

11

12

13

AB

CONTROL SWITCH REMOVAL
STEPS

•

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

P.37A-20

.)

8.

AUTO-CRUISE CONTROL
SWITCH

CONTROL UNIT REMOVAL
STEPS

•

CENTER PANEL ASSEMBLY
(REFER TO GROUP52A,
INSTRUMENT PANEL

P.52A-4

.)

9.

AUTO-CRUISE CONTROL-ECU
SENSOR REMOVAL STEPS

10. THROTTLE POSITION SENSOR
11. STOPLIGHT SWITCH (REFER TO

GROUP 35A, BRAKE PEDAL

P.35A-30

.)

12. PARK/NEUTRAL POSITION

SWITCH

13. VEHICLE SPEED SENSOR

EMISSION CONTROL

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ENGINE AND EMISSION CONTROL

17-76

EM ISSIO N C O N TR O L

GENERAL DESCRIPTION

M1173000100046

The emission control system consists of the

following subsystems:

•

Positive crankcase ventilation system

•

Evaporative emission control system

•

Exhaust emission control system

DIAGNOSIS

M1173000700026

SPECIAL TOOLS

M1173000600029

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

MD998770

EMISSION CONTROL

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ENGINE AND EMISSION CONTROL

17-77

VACUUM HOSES

VACUUM HOSE ROUTING

M1173000900042

<2.4L ENGINE>

AKX01293

THROTTLE
BODY

E G R VA LV E

EGR SOLENOID

FUEL TANK

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

CHAMBER

Y

B

W

G

B

B

B

B

B

Y

G

B

AB

*1

*2