Mitsubishi Eclipse. Manual — part 633

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-1075

MAP/MDP
SENSOR

95

Manifold
absolutel
pressure
(MAP) sensor

• Engine

colant
temprature
:80 - 95

°C

(176 -
203

°F)

• Lights,

electric
cooling
fan and all
accessorie
s: OFF

• Transaxle:

Neutral
(A/T: P
range)

• Ignition

switch: ON

Engine
stopped [At
altitude of 0 m
(0 ft.)]

101 kPa (29.8
in.Hg)

Code No.
P0106,P010
7,P0108

P.13B-53

,

P.13B-68

,

P.13B-89

Engine
stopped [At
altitude of 600
m (1,969 ft.)]

95 kPa (28.1
in.Hg)

Engine
stopped [At
altitude of
1,200 m
(3,937 ft.)]

88 kPa (26.0
in.Hg)

Engine
stopped [At
altitude of
1,800 m
(5,906 ft.)]

81 kPa (23.9
in.Hg)

Engine: idling 18

− 38 kPa

(5.32

− 11.2

in.Hg)

When engine
is suddenly
raced

varies

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

INSPECTION REQUIREMENT

NORMAL
CONDITION

INSPECTION
PROCEDURE
NO.

REFERENCE
PAGE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-1076

MAP
SENSOR

32

*6

Manifold
absolutel
pressure
(MAP) sensor

• Engine

colant
temprature
:80 - 95

°C

(176 -
203

°F)

• Lights,

electric
cooling
fan and all
accessorie
s: OFF

• Transaxle:

Neutral
(A/T: P
range)

• Ignition

switch: ON

Engine
stopped [At
altitude of 0 m
(0 ft.)]

101 kPa (29.8
in.Hg)

Code No.
P0106,
P0107,
P0108

P.13B-53

,

P.13B-68

,

P.13B-89

Engine
stopped [At
altitude of 600
m (1,969 ft.)]

95 kPa (28.1
in.Hg)

Engine
stopped [At
altitude of
1,200 m
(3,937 ft.)]

88 kPa (26.0
in.Hg)

Engine
stopped [At
altitude of
1,800 m
(5,906 ft.)]

81 kPa (23.9
in.Hg)

Engine: idling 18

− 38 kPa

(5.32

− 11.2

in.Hg)

When engine
is suddenly
raced

varies

PSP
SWITCH

27

Power
steering
pressure
switch

Engine: idling Steering

wheel
stationary

OFF

Code No.
P0551

P.13B-814

Steering
wheel turning

ON

SHORT
TRIM B1

82

*6

Short-term
fuel
compensation
(trim) bank1

Engine: warming up, 2,500
r/min without any load (during
closed loop)

−25 − 25 %

Code No.
P0171,
P0172

P.13B-445

,

P.13B-455

SHORT
TRIM B2

84

*6

Short-term
fuel
compensation
(trim) bank2

Engine: warming up, 2,500
r/min without any load (during
closed loop)

−25 − 25 %

Code No.
P0174,
P0175

P.13B-461

,

P.13B-470

SYS.
STATUS
B1

88

*6

Fuel control
system status
(bank 1)

Engine:
warming up

2,500 r/min

Closed loop

−

−

When engine
is suddenly
revved

Open loop

−

drive
condition

SYS,
STATUS
B2

89

*6

Fuel control
system status
(bank 2)

Engine:
warming up

2,500 r/min

Closed loop

−

−

When engine
is suddenly
revved

Open loop

−

drive
condition

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

INSPECTION REQUIREMENT

NORMAL
CONDITION

INSPECTION
PROCEDURE
NO.

REFERENCE
PAGE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-1077

TANK
PRS.
SNSR

73

Fuel tank
differential
pressure
sensor

• Ignition switch: "ON"

• Fuel cap removal

−3.3 − 3.3

kPa (

−0.97 −

0.97 in.Hg)

−

−

TP
SENSOR

14

Throttle
position
sensor

Ignition
switch: "ON"

Set to idle
position

535

− 735

millivolts

Code No.
P0121,
P0122,
P0123

P.13B-164

,

P.13B-178

,

P.13B-189

Gradually
open

Increases in
proportion to
throttle
opening angle

Open fully

4,500

− 5,500

millivolts

TP
SENSOR

8A

*6

Throttle
position
sensor

Ignition
switch: "ON"

Set to idle
position

6

− 20 %

Code No.
P0121,
P0122,
P0123

P.13B-164

,

P.13B-178

,

P.13B-189

Gradually
open

Increases in
proportion to
throttle
opening angle

Open fully

80

− 100 %

VAF
RESET
SIG

34

Volume
airflow sensor
reset signal

Engine:
warming up

Engine is
iding

ON

−

−

2,500 r/min

OFF

VAF
SENSOR

12

Volume
airflow sensor
(mass airflow
rate)

*5

• Engine

coolant
temperatur
e: 80

−

95

°C (176

− 203°F)

• Lights,

electric
cooling fan
and all
accessorie
s: "OFF"

• Transaxle:

neutral
(A/T: "P"
range)

Engine is
idling

17

− 46 HZ

−

−

2,500 r/min

63

− 103 Hz

Engine is
revved

Frequency (or
air flow
volume)
increases in
response to
revving

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

INSPECTION REQUIREMENT

NORMAL
CONDITION

INSPECTION
PROCEDURE
NO.

REFERENCE
PAGE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-1078

ACTUATOR TEST REFERENCE TABLE

M1131152500495

NOTE: *: Continues for 27 minutes. Can be released
by pressing the CLEAR key.

VAF/MAF
SNSR.

12

*6

Volume
airflow sensor
(mass airflow
rate)

*5

• Engine

coolant
temperatur
e: 80

−

95

°C (176

− 203°F)

• Lights,

electric
cooling fan
and all
accessorie
s: "OFF"

• Transaxle:

neutral
(A/T: "P"
range)

Engine is
idling

2.2

− 5.7 gm/s −

−

2,500 r/min

9.0

− 14.7

gm/s

Engine is
revved

Frequency (or
air flow
volume)
increases in
response to
revving

VSS

24

*6

Vehicle speed
sensor <M/T>

Drive at 40 km/h (25 mph).

Approximatel
y 40 km/h (25
mph)

Code No.
P0500

P.13B-773

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

INSPECTION REQUIREMENT

NORMAL
CONDITION

INSPECTION
PROCEDURE
NO.

REFERENCE
PAGE

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

DRIVE
CONTENTS

INSPECTION
REQUIREMENT

NORMAL
CONDITION

INSPECTION
PROCEDURE
NO.

REFERENCE
PAGE

BASIC
TIMING

17*

Basic
ignition
timing

Set to
ignition
timing
adjustment
mode

• Engine: idling

• Connect timing light

5

°BTDC

−

−

EGR
SOLEN
OID

10

EGR
vacuum
regulator
solenoid
valve

Solenoid
valve turns
from OFF to
ON.

Ignition switch: "ON"

Clicks when
solenoid
valve is
driven.

Code No.
P0403

P.13B-604

EVAP
PURGE
SOL

08

Evaporativ
e emission
purge
solenoid

Solenoid
valve turns
from OFF to
ON.

Ignition switch: "ON"

Clicks when
solenoid
valve is
driven.

Code No.
P0443

P.13B-645

EVAP
VENT

29

Evaporativ
e emission
ventilation
solenoid

Solenoid
valve turns
from OFF to
ON.

Ignition switch: "ON"

Clicks when
solenoid
valve is
driven.

Code
No.P0446

P.13B-660