Mitsubishi Eclipse. Manual — part 632

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-1071

HO2S
BANK2
S2

59

Heated
oxygen
sensor (bank
2, sensor 2)

Engine:
warming up

Revving

0 and 600

−

1,000
millivolts
alternate.

Code No.
P0156,
P0157,
P0158,
P0159

P.13B-393

,

P.13B-412

,

P.13B-420

,

P.13B-426

HO2S
BANK2
S2

A4

*6

Heated
oxygen
sensor (bank
2, sensor 2)

Engine:
warming up

Revving

0 and 0.6

− 1

volt alternate.

Code No.
P0156,
P0157,
P0158,
P0159

P.13B-393

,

P.13B-412

,

P.13B-420

,

P.13B-426

IAC
VALVE
POS

45

Idle air control
(stepper)
position

*2

• 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:

idling
(when A/C
switch is
"ON. "A/C
compresso
r should be
operating)

A/C switch:
"OFF"

2

− 25 STEP −

−

A/C switch:
"OFF"

→"ON"

Increases by
10

− 70 STEP

• A/C switch:

"OFF"

• Selector

lever: "N"
to "D"
range

Increases by
5

− 50 STEP

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-1072

IAT
SENSOR

13

Intake air
temperature
sensor

Ignition
switch: "ON"
or with engine
running

Intake air
temperature
is

−20°C

(

−4°F)

−20°C (−4°F) Code No.

P0111,
P0112,
P0113

P.13B-101

,

P.13B-111

,

P.13B-118

Intake air
temperature
is 0

°C (32°F)

0

°C (32°F)

Intake air
temperature
is 20

°C (68°F)

20

°C (68°F)

Intake air
temperature
is 40

°C

(104

°F)

40

°C (104°F)

Intake air
temperature
is 80

°C

(176

°F)

80

°C (176°F)

IAT
SENSOR

13

*6

Intake air
temperature
sensor

Ignition
switch: "ON"
or with engine
running

Intake air
temperature
is

−20°C

(

−4°F)

−20°C (−4°F) Code No.

P0111,
P0112,
P0113

P.13B-101

,

P.13B-111

,

P.13B-118

Intake air
temperature
is 0

°C (32°F)

0

°C (32°F)

Intake air
temperature
is 20

°C (68°F)

20

°C (68°F)

Intake air
temperature
is 40

°C

(104

°F)

40

°C (104°F)

Intake air
temperature
is 80

°C

(176

°F)

80

°C (176°F)

IG.
TIMING
ADV

44

Ignition coils
and ignition
power
transistor

• Engine:

warming
up

• Timing

light is set
(to check
actual
ignition
timing)

Engine is
idling

7

− 23° BTDC −

−

2,500 r/min

28

− 48°

BTDC

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-1073

IG.
TIMING
ADV

44

*6

Ignition coils
and ignition
power
transistor

• Engine:

warming
up

• Timing

light is set
(to check
actual
ignition
timing)

Engine is
idling

7

− 23 deg

−

−

2,500 r/min

28

− 48 deg

INJECTOR
BNK1

47

Injectors
(bank 1)

*3

Engine:
cranking

When engine
coolant
temperature
is 0

°C (32°F)

13.2

− 19.8

mS

−

−

When engine
coolant
temperature
is 20

°C (68°F)

33.2

− 49.8

mS

When engine
coolant
temperature
is 80

°C

(176

°F)

8.2

− 12.4 mS

Injectors
(bank 1)

*4

• 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

2.1

− 3.3 mS

2,500 r/min

1.8

− 3.0 mS

When engine
is suddenly
revved

Increases

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-1074

INJECTOR
BNK2

41

Injectors
(bank 2)

*3

Engine:
cranking

When engine
coolant
temperature
is 0

°C (32°F)

13.2

− 19.8

mS

−

−

When engine
coolant
temperature
is 20

°C (68°F)

33.2

− 49.8

mS

When engine
coolant
temperature
is 80

°C

(176

°F)

8.2

− 12.4 mS

Injectors
(bank 2)

*4

• 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

2.1

− 3.3 mS

2,500 r/min

1.8

− 3.0 mS

When engine
is suddenly
revved

Increases

LONG
TRIM B1

81

*6

Long-term
fuel
compensation
(trim) bank1

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

−12.5 − 12.5

%

Code No.
P0171,
P0172

P.13B-445

,

P.13B-455

LONG
TRIM B2

83

*6

Long-term
fuel
compensation
(trim) bank2

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

−12.5 − 12.5

%

Code No.
P0174,
P0175

P.13B-461

,

P.13B-470

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

INSPECTION REQUIREMENT

NORMAL
CONDITION

INSPECTION
PROCEDURE
NO.

REFERENCE
PAGE