Mitsubishi Colt Ralliart. Manual - part 95

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4A9>

13A-334

68

EGR valve 
<CVT>

• Engine coolant 

temperature: 80 

− 

95

°C

• Lights and all 

accessories: OFF

• Transmission "P" 

range

Idling

5 STEP or less Code No. 

P0403

P.13A-153

2,500 r/min

5 STEP or less

77

Accelerator 
pedal 
position 
sensor (sub)

Ignition switch: ON

Release the 
accelerator pedal

300 

− 700 mV Code No. 

P2127, 
P2128

P.13A-208

, 

P.13A-212

Depress the 
accelerator pedal 
gradually

Increases in 
response to 
the pedal 
depression 
stroke

Depress the 
accelerator pedal 
fully

2,000 

− 2,500 

mV <M/T>
2,000 mV or 
more <CVT>

78

Accelerator 
pedal 
position 
sensor 
(main)

Ignition switch: ON

Release the 
accelerator pedal

800 

− 1,200 

mV

Code No. 
P2122, 
P2123

P.13A-201

, 

P.13A-205

Depress the 
accelerator pedal 
gradually

Increases in 
response to 
the pedal 
depression 
stroke

Depress the 
accelerator pedal 
fully

4,000 

− 4,800 

mV <M/T>
4,000 mV or 
more <CVT>

Item 
No.

Inspection 
item

Inspection condition

Normal 
condition

Inspection 
procedure 
No.

Reference 
page

Main

Index

Group

TOC

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4A9>

13A-335

79

Throttle 
position 
sensor 
(main)

• Remove the intake 

air hose at the 
throttle body

• Disconnect the 

throttle position 
sensor, and then 
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

300 

− 700 mV Code No. 

P0122, 
P0123

P.13A-50

, 

P.13A-54

Fully open the 
throttle valve with 
your finger

4,000 

− 4,800 

mV <M/T>
4,000 mV or 
more <CVT>

Engine: After warm-up, 
idle operation after 
warm-up

No load

400 

− 800 mV 

<M/T>
500 

− 700 mV 

<CVT>

A/C switch: OFF 

→ 

ON

Voltage rises

Transmission: N 

→ D 

range

7E

Variable 
valve timing 
phase angle

Idling without load

0 

− 5° CA

−

−

Running with high load

To advance

9E

Variable 
speed

Drive 40 km/h

Approximately 
40 km/h

−

−

13 

*2

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

Item 
No.

Inspection 
item

Inspection condition

Normal 
condition

Inspection 
procedure 
No.

Reference 
page

Main

Index

Group

TOC

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4A9>

13A-336

21 

*2

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 

*2

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

1,200 

− 1,400 

r/min

Coolant 
temperature: 20

°C

950 

− 1,150 

r/min

Coolant 
temperature: 40

°C

850 

− 1,050 

r/min

Coolant 
temperature: 90

°C

600 

− 800 r/min

24 

*2

Vehicle 
speed

Drive 40 km/h

Approximately 
40 km/h

−

−

32 

*2

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

Item 
No.

Inspection 
item

Inspection condition

Normal 
condition

Inspection 
procedure 
No.

Reference 
page

Main

Index

Group

TOC

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4A9>

13A-337

44 

*2

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>

81 
*

2

Long-term 
fuel 
compensati
on <CVT>

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

−13 to 13 %

Code No. 
P0170

P.13A-87

82 
*

2

Shot-term 
fuel 
compensati
on <CVT>

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

−20 to 20 %

Code No. 
P0170

P.13A-87

87 
*

2

Calculation 
load value 
<CVT>

Engine: After warm-up Idle operation

15 

− 40 %

−

−

2,500 r/min

15 

− 40 %

88 
*

2

Fuel control 
condition 
<CVT>

Engine: After warm-up 2,500 r/min

Closed loop

−

−

Acceleration

Open 
loop-drive 
condition

8A 
*

2

Throttle 
position 
sensor 
(main) *

2

• Remove the intake 

air hose at the 
throttle body

• Disconnect the 

throttle position 
sensor, and then 
connect terminal 
numbers No. 1, and 
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

0 

− 12%

Code No. 
P0122, 
P0123

P.13A-50

, 

P.13A-54

Fully open the 
throttle valve with 
your finger

75 

− 100%

Item 
No.

Inspection 
item

Inspection condition

Normal 
condition

Inspection 
procedure 
No.

Reference 
page

Main

Index

Group

TOC