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