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