Mitsubishi Colt Ralliart. Manual — part 94

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4A9>

13A-330

STEP 11. M.U.T.-III actuator test

• Item 08: purge control solenoid valve

OK: Operating sound can be heard and the
valve vibrates

Q: Is the check result normal?

YES :

Intermittent malfunction (Refer to GROUP

00

− How to Use

Troubleshooting/Inspection Service Points

−

How to Cope with Intermittent Malfunctions

P.00-13

).

NO :

Replace engine-ECU <M/T> or
engine-CVT-ECU <CVT>.

Main

Index

Group

TOC

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4A9>

13A-331

Data List Reference Table

M1131152002601

Item
No.

Inspection
item

Inspection condition

Normal
condition

Inspection
procedure
No.

Reference
page

11

Oxygen
sensor
(front)

Engine: After warm-up
(leaner by deceleration,
richer by acceleration)

Excessive
deceleration from
4,000 r/min

200 mV or less Code No.

P0130

P.13A-62

At excessive
acceleration

600

− 1,000

mV

Engine: After warm-up
(using oxygen sensor,
check air-fuel ratio as
well as control status
by engine-ECU <M/T>
or engine-CVT-ECU
<CVT>.

Idle operation

400 mV or less
⇔ 600 − 1,000
mV (altered)

2,500 r/min

13

Intake air
temperature
sensor

Ignition switch: ON or
engine running

Intake air
temperature:
−20°C

−20°C

Code No.
P0110

P.13A-34

Intake air
temperature: 0

°C

0

°C

Intake air
temperature: 20

°C

20

°C

Intake air
temperature: 40

°C

40

°C

Intake air
temperature: 80

°C

80

°C

14

Throttle
position
sensor (sub)

• Remove the intake

air hose at the
throttle body

• Disconnect the

throttle position
sensor, and the
connect terminal
numbers No. 1, No.
2, No. 3 and No. 4
with the use of the
special tool:
MB991658.

• Ignition switch: ON

Fully close the
throttle valve with
your finger

4,300

− 4,700

mV

Code No.
P0222,
P0223

P.13A-109

,

P.13A-113

Fully open the
throttle valve with
your finger

200

− 650 mV

<M/T>
400

− 800 mV

<CVT>

16

Power
supply
voltage

Ignition switch: ON

System
voltage

Procedure
No. 23

P.13A-281

18

Cranking
signal
(ignition
switch-ST)

Ignition switch: ON

Engine: Stopped

OFF

Procedure
No. 23

P.13A-281

Engine: Cranking

ON

Main

Index

Group

TOC

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4A9>

13A-332

21

Engine
coolant
temperature
sensor

Ignition switch: ON or
engine running

Coolant
temperature:
−20°C

−20°C

Code No.
P0115

P.13A-42

Coolant
temperature: 0

°C

0

°C

Coolant
temperature: 20

°C

20

°C

Coolant
temperature: 40

°C

40

°C

Coolant
temperature: 80

°C

80

°C

22

Crank angle
sensor

• Engine: Cranking

• Tachometer:

Connected

Compare engine
speed on
tachometer with the
value displayed on
M.U.T.-III

Matched

−

−

• Engine: Idle

operation (At
approximately 1
minute later from
when the engine
starting sequence is
completed, the
engine is in the
steady state.)

• Transmission:

neutral <M/T> or "P"
range <CVT>

• A/C switch: OFF

Coolant
temperature:
−20°C

1,350

− 1,550

r/min

Coolant
temperature: 0

°C

1,190

− 1,390

r/min <M/T>
1,200

− 1,400

r/min <CVT>

Coolant
temperature: 20

°C

950

− 1,150

r/min

Coolant
temperature: 40

°C

850

− 1,050

r/min

Coolant
temperature: 80

°C

650

− 850 r/min

<M/T>
600

− 800 r/min

<CVT>

25

Barometric
pressure
sensor

Ignition switch: ON

Altitude: 0m

101 kPa

Code No.
P2226

P.13A-223

Altitude: 600m

95 kPa

Altitude: 1,200m

88 kPa

Altitude: 1,800m

81 kPa

29

Inhibitor
switch
<CVT>

Ignition switch: ON

Selector lever: P or
N

P, N

Procedure
No. 5

P.13A-245

Selector lever: D,
Ds, L, or R

D, Ds, L, R

Item
No.

Inspection
item

Inspection condition

Normal
condition

Inspection
procedure
No.

Reference
page

Main

Index

Group

TOC

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4A9>

13A-333

32

Manifold
absolute
pressure
sensor

• Engine coolant

temperature: 80

−

95

°C

• Lamps, electric

cooling fan and all
accessories: OFF

• Transmission:

neutral <M/T> or "P"
range <CVT>

• Ignition switch: ON

Engin
e
stop

Altitude: 0 m 101 kPa

Code No.
P0105

P.13A-23

Altitude: 600
m

95 kPa

Altitude:
1,200 m

88 kPa

Altitude:
1,800 m

81 kPa

Idle operation

22.0

− 36.0

kPa

Excessive
acceleration

Depending on
vacuum
pressure of
inlet manifold

41

Injectors*

1

• Engine coolant

temperature: 80

−

95

°C

• Lamps, electric

cooling fan and all
accessories: OFF

• Transmission:

neutral <M/T> or "P"
range <CVT>

Idle operation

1.4

− 2.8 ms

<M/T>
1.6

− 2.8 ms

<CVT>

−

−

2,500 r/min

0.9

− 2.9 ms

<M/T>
1.5

− 2.7 ms

<CVT>

Excessive
acceleration

Increased

44

Ignition
advance

• Engine: After

warm-up

• Install timing light

(for use to measure
actual ignition
timing)

Idle operation

2

− 18°CA

(

°BTDC)

−

−

2,500 r/min

34

− 54°CA

(

°BTDC)

<M/T>
35

− 55°CA

(

°BTDC)

<CVT>

49

A/C relay

Engine: After warm-up,
idle operation

A/C switch: OFF

OFF
(compressor is
not driven)

Procedure
No. 26

P.13A-310

A/C switch: ON

ON
(compressor is
driven)

59

Oxygen
sensor
(rear)

Engine: After warm-up At excessive

acceleration

200

− 800 mV Code

No.P0136

P.13A-75

67

Stop lamp
switch

Ignition switch: ON

Brake pedal:
Depressed

ON

Procedure
No. 27

P.13A-316

Brake pedal:
Released

OFF

Item
No.

Inspection
item

Inspection condition

Normal
condition

Inspection
procedure
No.

Reference
page

Main

Index

Group

TOC